CN103207294A - Improved method for displaying abnormal waveform - Google Patents
Improved method for displaying abnormal waveform Download PDFInfo
- Publication number
- CN103207294A CN103207294A CN2012100123661A CN201210012366A CN103207294A CN 103207294 A CN103207294 A CN 103207294A CN 2012100123661 A CN2012100123661 A CN 2012100123661A CN 201210012366 A CN201210012366 A CN 201210012366A CN 103207294 A CN103207294 A CN 103207294A
- Authority
- CN
- China
- Prior art keywords
- data
- waveform data
- frame
- unusual waveforms
- measured waveform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention provides an improved method for displaying an abnormal waveform. The method is used for a digital oscilloscope and comprises the steps of comparing a group of measurement waveform data with a standard waveform datum according to input control information, obtaining multiple frames of abnormal waveform data, and separately displaying one frame of the abnormal waveform data, the previous frame of the measurement waveform data and the next frame of the measurement waveform data in a waveform displaying mode in the same display window. According to the improved method for displaying the abnormal waveform, one frame of the abnormal waveform data, one previous frame of the measurement waveform data and one next frame of the measurement waveform data are displayed separately in the waveform displaying mode in the same display window, so that relationships between the abnormal waveform data and previous and next waveform data of the abnormal waveform data can be observed directly.
Description
Technical field
The present invention relates to the electric variable field tests, particularly a kind of display packing of the improved unusual waveforms for digital oscilloscope.
Background technology
Digital oscilloscope is a kind of measurement mechanism commonly used, and is different with analog oscilloscope, and digital oscilloscope is to gather measured signal by analog to digital converter, is numerical information with tested analog signal conversion, thus, catches a series of sample values of measured signal waveform.Common digital oscilloscope is divided into digital storage oscilloscope, digital fluorescence oscilloscope and sampling oscilloscope.One of great advantage of digital oscilloscope is to store the waveform of measured signal, and can do careful observation and measurement to the waveform of storage.
Digital oscilloscope can be gathered a large amount of Wave datas at the utmost point in the short time, and the user for example in debug circuit, pays special attention to the unusual waveforms signal in the Wave data that collects usually in some cases, namely at the accidental waveform signal of following period of time.In order to observe the unusual waveforms signal, designed multiple triggering mode in the common digital oscilloscope, as pulsewidth, burr, slope triggering etc., but when above-mentioned these contents are mainly used in move in system, acquisition unusual waveforms signal, can not be used for after system stops, carrying out the analysis of unusual waveforms data at the Wave data of historical record.
China's utility model patent: the patent No. is that ZL200620119307.4, patent name are a kind of digital oscilloscope, discloses a kind of digital oscilloscope with waveform recording function.The oscillograph of this patent disclosure can carry out waveform recording for a long time, and the waveform of recording can be carried out playback, but this patent documentation does not disclose and how the described unusual waveforms of recording in the waveform detected and show.
Summary of the invention
Carry out the problem that unusual waveforms detects existence in order to solve prior art to recording waveform, the invention discloses a kind of detection method of improved unusual waveforms;
Carry out the problem that unusual waveforms detects existence in order to solve prior art to recording waveform, the invention discloses a kind of detection method of unusual waveforms easily;
Carry out the problem that unusual waveforms detects existence in order to solve prior art to recording waveform, the invention discloses a kind of detection method of unusual waveforms fast;
Carry out the problem that unusual waveforms shows existence in order to solve prior art to recording waveform, the invention discloses a kind of display packing of improved unusual waveforms;
Carry out the technical matters that unusual waveforms shows existence in order to solve prior art to recording waveform, the invention discloses a kind of display packing of unusual waveforms intuitively;
Carry out the technical matters that unusual waveforms shows existence in order to solve prior art to recording waveform, the invention discloses a kind of digital oscilloscope for the display abnormality waveform.
The detection method of improved unusual waveforms of the present invention is used for digital oscilloscope, and described digital oscilloscope comprises the storage unit of the measured waveform data of recording for the storage multiframe;
The input block that is used for input control information;
Be used for showing the waveform display unit of described measured waveform data;
May further comprise the steps,
Step 1011: receive the control information of one group of threshold value that comprises measuring control information and adapt with it;
Step 1012: according to described measuring control information, obtain a standard value and one group of measured value by the measured waveform data that described multiframe is recorded, and according to described standard value and described one group of measured value, obtain one group with described one group of difference that measured value is corresponding;
Step 1013: show that the corresponding measured waveform data of difference that exceed described threshold value are the unusual waveforms data.Illustrate as a kind of, described step 1011 receives one group of measuring control information, can also comprise: receive a reference waveform and select information and the control information of a measurement type;
Described step 1012 can also comprise:
Select information according to described reference waveform, select frame measured waveform data in the measured waveform data that described multiframe records as the reference waveform data;
And according to described measurement type control information, obtain a described standard value by described reference waveform data, one group of measured waveform data in the measured waveform data of being recorded by described multiframe obtain described one group of measured value.
Illustrate as a kind of, described step 1011 receives one group of measuring control information, can also comprise:
Receive a reference waveform and select information and the control information of a measurement type;
Described step 1012 can also comprise:
Select information according to described reference waveform, select the mean value waveform of described multiframe measured waveform data as the reference waveform data;
According to the control information of described measurement type, obtain a standard value of described reference waveform data, and by one group of measured waveform data in the described multiframe measured waveform data, obtain described one group of measured value.
Illustrate as a kind of, described step 1011, the type control information is measured in one of described reception, can also comprise:
Receive one and be used for the measurement type control information that peak-to-peak value is measured;
Described receive threshold can also comprise, receives one and described peak-to-peak value measurement corresponding threshold;
Described step 1012 can also comprise:
Select information and the control information of described measurement type according to described reference waveform, obtained the peak-to-peak value of measured waveform data by the frame measured waveform data in the described multiframe measured waveform data, as a described standard value, obtain the peak-to-peak value of each frame measured waveform data wherein as described one group of measured value by one group of measured waveform data in the described multiframe measured waveform data.
Illustrate as a kind of, described step 1012 can also comprise:
Select information and the control information of described measurement type according to described reference waveform, obtained the peak-to-peak value of described measured waveform data by the frame measured waveform data in the described multiframe measured waveform, as a described standard value, obtain the peak-to-peak value of each frame measured waveform data wherein as described one group of measured value by the whole measured waveform data in the described multiframe measured waveform data.
Illustrate as a kind of, described step 1013 can also comprise substep:
To exceeding all differences of described threshold value, record the memory location of its corresponding measured waveform data;
The memory location of the measured waveform data of the described record of foundation shows the ranking of measured waveform data in described one group of measured waveform data of current demonstration.
Illustrate as a kind of, described step 1013 can also comprise substep:
To exceeding all differences of described threshold value, record the memory location of its corresponding measured waveform data;
The memory location of the measured waveform data of the described record of foundation shows the ranking of measured waveform data in described whole measured waveform data of current demonstration.
Illustrate as a kind of, described step 1013 can also comprise substep:
To exceeding all differences of described threshold value, record the memory location of its corresponding measured waveform data;
With the waveform display mode, show the first frame measured waveform data on the described memory location of noting automatically.
Illustrate as a kind of, described step 1013 can also comprise substep:
Receiving one specifies unusual waveforms to show information;
With the waveform display mode, show in the described memory location of noting, show the measured waveform data that information is corresponding with described appointment unusual waveforms.
Illustrate as a kind of, described step 1013 can also comprise, an initial waveform step display:
According to the memory location of the described measured waveform data of noting,
At first with the waveform display mode, show the wherein first frame measured waveform data of record.
Illustrate as a kind of, described step 1013 can also comprise substep:
Receive an adjacent fault frame waveform display control information;
With the waveform display mode, show in the described memory location of noting, the measured waveform data adjacent with the measured waveform data of current demonstration, the difference of described measured waveform data correspondence exceeds described threshold value.
Illustrate as a kind of, described step 1013 can also comprise a breviary waveform step display:
In same display window, with breviary waveform display mode, show the measured waveform data of the difference correspondence that exceeds described threshold value separately, and former frame measured waveform data and back one frame measured waveform data.
Illustrate as a kind of, described step 1013 can also comprise:
According to the difference of every frame described measured waveform data correspondence and the ratio of the maximum difference in described one group of difference, set the diversity factor of every frame measured waveform data, and, show the diversity factor of the measured waveform data of current demonstration.
Illustrate as a kind of, described step 1013 can also comprise:
At a rectilinear that is used for the diversity factor of the every frame measured waveform data of expression,
Set the display position of correspondence of the diversity factor of every frame measured waveform data according to the frame number of described one group of measured waveform data, and with the different diversity factor of different color showings.
Illustrate as a kind of, described step 1013 can also comprise:
At a rectilinear that is used for the diversity factor of the every frame measured waveform data of expression,
Set the display position of correspondence of the diversity factor of every frame measured waveform data according to the frame number of described one group of measured waveform data, and exceed the different diversity factoies of described threshold value with different color showings.
The detection method of unusual waveforms easily of the present invention is used for digital oscilloscope, and described digital oscilloscope comprises the storage unit of the measured waveform data of recording for the preservation multiframe;
The input block that is used for input control information;
Be used for showing the waveform display unit of the described measured waveform data of recording;
May further comprise the steps,
Step 2011: receive the control information of one group of threshold value that comprises measuring control information and adapt with it;
Step 2012: according to described measuring control information,
Obtain frame reference waveform data and multiframe measured waveform data in the measured waveform data of being recorded by described multiframe,
Step 2013: according to the area between every corresponding waveform of frame measured waveform data in the described multiframe measured waveform data and the corresponding waveform of described reference waveform data, the measured waveform data that the described area of correspondence exceeded described threshold value are shown as the unusual waveforms data.
Illustrate as a kind of, described step 2011 receives one group of measuring control information, can also comprise:
Receive a reference waveform and select information;
Described step 2012 can also comprise:
Select information according to described reference waveform, by the selection one frame measured waveform data in the described measured waveform data of recording as described reference waveform data;
Illustrate as a kind of, described step 2011 receives one group of measuring control information, can also comprise:
Receive a reference waveform and select information;
Described step 2012 can also comprise:
Select information according to described reference waveform, obtain its mean value Wave data as described reference waveform data by the described measured waveform data of recording;
Illustrate as a kind of, described step 2013 can also comprise:
By the difference of the row coordinate data of every frame measured waveform data in the accumulative total row coordinate data of described reference waveform data and the described multiframe measured waveform data, obtain described area.
Illustrate as a kind of, described step 2013 can also comprise substep:
To exceeding all areas of described threshold value, record the memory location of its corresponding measured waveform data;
The memory location of the measured waveform data of the described record of foundation shows the ranking of measured waveform data in described multiframe measured waveform data of current demonstration.
Illustrate as a kind of, described step 2013 can also comprise substep:
Receiving one specifies unusual waveforms to show information;
With the waveform display mode, show in the described memory location of noting, show the measured waveform data that information is corresponding with described appointment unusual waveforms.
Illustrate as a kind of, described step 2013 can also comprise, an initial waveform step display:
According to the memory location of the described measured waveform data of noting,
At first with the waveform display mode, show the wherein first frame measured waveform data of record.
Illustrate as a kind of, described step 2013 can also comprise substep:
Receive an adjacent fault frame waveform display control information;
With the waveform display mode, show in the described memory location of noting, the measured waveform data adjacent with the measured waveform data of current demonstration, the area of described measured waveform data correspondence exceeds described threshold value.
Illustrate as a kind of, described step 2013 can also comprise a breviary waveform step display:
In same display window, with breviary waveform display mode, show the measured waveform data of the area correspondence that exceeds described threshold value separately, and former frame measured waveform data and back one frame measured waveform data.
Illustrate as a kind of, described step 2013 can also comprise:
According to the area of every frame described measured waveform data correspondence and the ratio of the maximum area in described one group of area, set the diversity factor of every frame measured waveform data, and, show the diversity factor of the measured waveform data of current demonstration.
Illustrate as a kind of, described step 2013 can also comprise:
At a rectilinear that is used for the diversity factor of the every frame measured waveform data of expression,
Set the display position of correspondence of the diversity factor of every frame measured waveform data according to the frame number of described one group of measured waveform data, and with the different diversity factor of different color showings.
Illustrate as a kind of, described step 2013 can also comprise:
At a rectilinear that is used for the diversity factor of the every frame measured waveform data of expression,
Set the display position of correspondence of the diversity factor of every frame measured waveform data according to the frame number of described one group of measured waveform data, and exceed the different diversity factoies of described threshold value with different color showings.
The detection method of unusual waveforms fast of the present invention is used for digital oscilloscope, and described digital oscilloscope comprises the storage unit of the measured waveform data of recording for the preservation multiframe;
The input block that is used for input control information;
Be used for showing the waveform display unit of the described measured waveform data of recording;
May further comprise the steps,
Step 3011: receive measuring control information and a two-dimentional threshold value that comprises time threshold and amplitude threshold;
Step 3012: according to described measuring control information,
Obtain frame reference waveform data and multiframe measured waveform data in the measured waveform data of being recorded by described multiframe,
Step 3013: according to described time threshold and amplitude threshold, and the amplitude in each sampling time of described reference waveform data, produce the amplitude measurement scope in each sampling time of the corresponding described measured waveform data of recording,
In described multiframe measured waveform data, the measurement data that comprises the described sampling time exceeds the measured waveform data of described amplitude measurement scope, is shown as the unusual waveforms data.
Illustrate as a kind of, described step 3013 can also comprise:
Each sampling time of corresponding described reference waveform data, obtain the amplitude variation range of described sampling time in described time threshold scope, and according to described amplitude variation range and described amplitude threshold, produce the described amplitude measurement scope in each sampling time of the corresponding described measured waveform data of recording.
Illustrate as a kind of, described step 3011 receives measuring control information, can also comprise:
Receive a reference waveform and select information;
Described step 3012 can also comprise:
Select information according to described reference waveform, by selecting frame measured waveform data as described reference waveform data in the described measured waveform data of recording;
Illustrate as a kind of, described step 3011 receives measuring control information, can also comprise:
Receive a reference waveform and select information;
Described step 3012 can also comprise:
Select information according to described reference waveform, obtain the mean value Wave data of its multiframe waveform as described reference waveform data by the described measured waveform data of recording;
Illustrate as a kind of, described step 3013 can also comprise substep:
In described multiframe measured waveform data, the measurement data that comprises the described sampling time exceeds the measured waveform data of described amplitude measurement scope, records its memory location;
According to described memory location, show the measured waveform data that it is corresponding in the waveform mode, and according to the memory location of shown measured waveform data correspondence, show its ranking in the measured waveform data that multiframe is recorded.
Illustrate as a kind of, described step 3013 can also comprise substep:
Receive a unusual waveforms automatic display information;
According to described memory location, with the waveform display mode, show the measured waveform data of described memory location correspondence automatically successively.
Illustrate as a kind of, described step 3013 can also comprise substep:
Receiving one specifies unusual waveforms to show information;
According to described memory location, with the waveform display mode, show with described appointment unusual waveforms to show the measured waveform data that information is corresponding.
Illustrate as a kind of, described step 3013 can also comprise, an initial waveform step display:
According to the memory location of described measured waveform data,
At first with the waveform display mode, show the wherein first frame measured waveform data of record.
Illustrate as a kind of, described step 3013 can also comprise substep:
Receive an adjacent fault frame waveform display control information;
According to memory location and the described adjacent fault frame waveform display control information of described measured waveform data, with the waveform display mode,
Show in the described memory location, the measured waveform data adjacent with the measured waveform data of current demonstration, described measured waveform data exceed described amplitude measurement scope.
Illustrate as a kind of, described step 3013 can also also comprise:
According to the memory location of described measured waveform data,
In same display window, with breviary waveform display mode, show separately with described appointment unusual waveforms to show that the corresponding measured waveform data of information reach former frame measured waveform data adjacent with described measured waveform data in the described measured waveform data of recording and back one frame measured waveform data.
Illustrate as a kind of, described step 3013 can also comprise:
At a rectilinear that is used for the measurement result of the every frame measured waveform data of expression,
Set the display position of every frame measured waveform data according to the frame number of described multiframe measured waveform data, and with in the outstanding described multiframe measured waveform of the color showing data, the measurement data that comprises the described sampling time exceeds the measured waveform data of described amplitude measurement scope.
The display packing of improved unusual waveforms of the present invention is used for digital oscilloscope,
Described digital oscilloscope comprises the storage unit of the measured waveform data of recording for the storage multiframe;
The input block that is used for input control information;
Be used for showing the waveform display unit of described measured waveform data;
Comprise step,
According to described input control information, one group of described measured waveform data and reference waveform data are compared, obtain multiframe unusual waveforms data, and in same display window, with the waveform display mode, show the wherein described unusual waveforms data of a frame and former frame measured waveform data and back one frame measured waveform data separately.
Illustrate as a kind of, described step can also comprise: the frame address of preserving the whole unusual waveforms data in the described measured waveform data is unusual waveforms frame address data;
Specify unusual waveforms to show information according to one again, obtain a described frame address by described unusual waveforms frame address data, and in described display window, with the waveform display mode, show former frame measured waveform data and the back one frame measured waveform data of the unusual waveforms data corresponding with described frame address and described unusual waveforms data separately.
Illustrate as a kind of, described step can also comprise: show information according to a contiguous unusual waveforms, obtain frame address with the adjoining described unusual waveforms data of the frame address of the unusual waveforms data of current demonstration by described unusual waveforms frame address data, and in described display window, with the waveform display mode, show the unusual waveforms data of described frame address correspondence and former frame measured waveform data and the back one frame measured waveform data of described unusual waveforms data separately.
Illustrate as a kind of, described step can also comprise: show information according to described contiguous unusual waveforms, obtained the frame address of whole described unusual waveforms data successively by described unusual waveforms frame address data, and in described display window, with the waveform display mode, show the unusual waveforms data of described frame address correspondence and former frame measured waveform data and the back one frame measured waveform data of described unusual waveforms data successively separately.
Illustrate as a kind of, described step can also comprise: in described display window, the display position of corresponding described unusual waveforms data shows the ranking of described unusual waveforms data in the measured waveform data that described multiframe is recorded.
Illustrate as a kind of, described step can also comprise: in described display window, the display position of corresponding described former frame measured waveform data and back one frame measured waveform data shows described former frame measured waveform data and back one ranking of frame measured waveform data in the measured waveform data that described multiframe is recorded.
Illustrate as a kind of, described step can also comprise initialization step, at first, obtain the wherein frame address of the first frame unusual waveforms data by described unusual waveforms frame address data, and in described display window, with the waveform display mode, show described unusual waveforms data and former frame measured waveform data thereof and back one frame measured waveform data separately.
The display packing of unusual waveforms intuitively of the present invention is used for digital oscilloscope, and described digital oscilloscope comprises the storage unit of the measured waveform data of recording for the storage multiframe;
The input block that is used for input control information;
Be used for showing the waveform display unit of described measured waveform data;
May further comprise the steps:
One group of described measured waveform data and reference waveform data are compared, obtain the difference value of every frame measured waveform data, according to the difference value of described every frame measured waveform data and the ratio of the maximum different value in whole described difference value, generate the diversity factor of the described measured waveform data of every frame again;
Utilize a rectilinear that marks off a plurality of display blocks along straight line, make the different measured waveform data in the respectively corresponding described one group of measured waveform data of different described display blocks, and in described display block, represent that with the color lump of different conditions the measured waveform data of described display block correspondence have different diversity factoies.
Illustrate as a kind of, represent that with the color lump of different colours the measured waveform data of described display block correspondence have different diversity factoies.
Illustrate as a kind of, can also make described one group of measured waveform data be divided into a plurality of small set of data that comprise multiframe measured waveform data respectively successively, utilize the diversity factor of the multiframe measured waveform data in each described small set of data, generate the diversity factor of corresponding small set of data
In described rectilinear, described display block is corresponding successively with described small set of data,
Represent that with the color lump of different colors the small set of data of described display block correspondence has different diversity factoies.
Illustrate as a kind of, can also utilize the maximum difference degree of the multiframe measured waveform data in each described small set of data, set the diversity factor of corresponding small set of data.
Illustrate as a kind of, step 1 can also comprise:
According to an input control information that comprises start frame and abort frame,
From the measured waveform data that described multiframe is recorded, obtain described one group of measured waveform data.
Illustrate as a kind of, can also in a display window, with the waveform display mode, show the frame measured waveform data in described one group of measured waveform data according to a waveform display control information,
And in described rectilinear, show the small set of data of a described frame measured waveform data correspondence with outstanding mark.
Illustrate as a kind of, can also be according to described waveform display control information, in described display window, with the waveform display mode, show frame measured waveform data and former frame measured waveform data and back one frame measured waveform data in described one group of measured waveform data separately
And in described rectilinear, show the small set of data of a described frame measured waveform data correspondence with outstanding mark.Illustrate as a kind of, can also in described rectilinear, when showing the small set of data of a described frame measured waveform data correspondence with outstanding mark, use start frame and the abort frame position of the multiframe measured waveform data of the described small set of data correspondence of numeral.
Illustrate as a kind of, can also utilize a rectilinear that marks off a plurality of display blocks along straight line, make measured waveform data in the respectively corresponding described one group of measured waveform data of a plurality of described display blocks, and in described a plurality of display blocks, represent that with the color lump of different colours the measured waveform data of described display block correspondence have different diversity factoies.
Illustrate as a kind of, can also be in described a plurality of display blocks, the color lump of different colours has different color lump height, and the height of described color lump is corresponding with described diversity factor.
Illustrate as a kind of, can also comprise: a predetermined threshold, in described rectilinear, represent to exceed the diversity factor of described predetermined threshold with red color lump.
Digital oscilloscope for the display abnormality waveform of the present invention comprises for the storage unit of storing multiframe measured waveform data successively;
Input block for generation of control information;
Be used for obtaining the unusual waveforms data, and with the waveform display mode, showing the waveform display unit of described unusual waveforms data according to described input control information;
Described waveform display unit is unusual waveforms frame address data for the frame address of preserving whole unusual waveforms data of described measured waveform data successively, and respond described control information, obtain described unusual waveforms data by described unusual waveforms frame address data.
Illustrate as a kind of, described unusual waveforms display control information can also comprise a contiguous unusual waveforms display control information, described waveform display unit is used for the described contiguous unusual waveforms display control information of response, obtains frame unusual waveforms data adjoining with the frame address of the unusual waveforms data of current demonstration by described unusual waveforms frame address data.
Illustrate as a kind of, described input block can also comprise one for generation of upwards button and the downward button for generation of described contiguous unusual waveforms display control information of described contiguous unusual waveforms display control information, press described upwards button and produce the control information that shows the former frame failure message, press described downward button and produce the control information that shows back one frame failure message;
Described waveform display unit responds the control information of described demonstration former frame failure message, obtained with the frame address of the unusual waveforms data of current demonstration by described unusual waveforms frame address data adjoining, and frame address position unusual waveforms data the preceding; Respond the described control information that shows back one frame failure message, obtained with the frame address of the unusual waveforms data of current demonstration by described unusual waveforms frame address data adjoining, and the frame address position after the unusual waveforms data.
Illustrate as a kind of, described unusual waveforms display control information can also comprise the appointment unusual waveforms display control information of the described unusual waveforms frame address of correspondence data,
Described waveform display unit is used for the described appointment unusual waveforms display control information of response, obtains frame unusual waveforms data corresponding with described appointment unusual waveforms display control information by described unusual waveforms frame address data.Illustrate as a kind of, described waveform display unit also is used for the totalframes of whole unusual waveforms data of the described measured waveform data of statistics, and when showing described unusual waveforms data in the waveform mode, corresponding show described unusual waveforms data in described whole unusual waveforms data ranking and the totalframes of described whole unusual waveforms data.
Illustrate as a kind of, described waveform display unit, can also be used for when the described unusual waveforms data that show in the waveform mode correspond to the first frame unusual waveforms data of described unusual waveforms frame address data, respond the control information of described demonstration former frame failure message, produce corresponding super scope information.
Illustrate as a kind of, described waveform display unit, can also be used for when the described unusual waveforms data that show in the waveform mode correspond to the last frame unusual waveforms data of described unusual waveforms frame address data, respond the described control information that shows back one frame failure message, produce corresponding super scope information.
Illustrate as a kind of, described waveform display unit, can also be used at a display window, show three frame measured waveform data separately with the waveform display mode, comprising described unusual waveforms data, and the former frame measured waveform data of described unusual waveforms data and back one frame measured waveform data.
The detection method of a kind of improved unusual waveforms disclosed by the invention, can carry out the detection of unusual waveforms data to the measured waveform data of recording, utilize the parameter of reference waveform data and the parameter of measured waveform data to compare, can detect the unusual waveforms data quickly and accurately, and obtain the difference of measured waveform data and reference waveform data, be convenient to the unusual waveforms data are analyzed.
The detection method of a kind of unusual waveforms easily disclosed by the invention, can carry out the detection of unusual waveforms data to the measured waveform data of recording, utilize the difference in areas between reference waveform data and the measured waveform data, can detect the unusual waveforms data quickly and accurately, and obtain the difference of measured waveform data and reference waveform data, be convenient to the unusual waveforms data are analyzed.
The detection method of a kind of unusual waveforms fast disclosed by the invention, can carry out the detection of unusual waveforms data to the measured waveform data of recording, according to a two-dimentional threshold value that comprises time threshold and amplitude threshold, and the amplitude in each sampling time of reference waveform data, produce an amplitude measurement scope, the measured waveform data in described amplitude measurement scope are not the unusual waveforms data.This detection method quick and precisely can detect the unusual waveforms data rapidly.
The display packing of a kind of improved unusual waveforms disclosed by the invention, in same display window, with the waveform display mode, show wherein frame unusual waveforms data and former frame measured waveform data and back one frame measured waveform data separately, can observe the unusual waveforms data intuitively and the relation between the Wave data before and after it.
The display packing of a kind of unusual waveforms intuitively disclosed by the invention, in a rectilinear, utilize different colours to represent that the measured waveform data have different diversity factoies, utilize histogram to represent that the measured waveform data have different diversity factoies, this display packing intuitively is convenient to whole observation and the analysis to the unusual waveforms data, and the diversity factor situation of unusual waveforms data and distribution come into plain view.
A kind of digital oscilloscope for the display abnormality waveform disclosed by the invention, keyboard at digital oscilloscope is provided with two buttons, be defined as " upwards button " and " button downwards " respectively, when pressing " upwards button ", the waveform display unit of digital oscilloscope will be with the waveform display mode, automatically the previous frame unusual waveforms data that show current unusual waveforms data, when pressing " button downwards ", the waveform display unit of digital oscilloscope will be with the waveform display mode, automatically the next frame unusual waveforms data that show current unusual waveforms data, by the mode that this navigation shows, can observe any frame unusual waveforms data quickly and easily.
Description of drawings
Fig. 1 is in the preferred embodiment of the present invention, and first unusual waveforms that described digital oscilloscope is carried out detects the process flow diagram of step
Fig. 2 is in the preferred embodiment of the present invention, and second unusual waveforms that described digital oscilloscope is carried out detects the process flow diagram of step
Fig. 3 is in the preferred embodiment of the present invention, and the 3rd unusual waveforms that described digital oscilloscope is carried out detects the process flow diagram of step
Fig. 4 is in the preferred embodiment of the present invention, the first interface synoptic diagram of described digital oscilloscope
Fig. 5 is in the preferred embodiment of the present invention, the second contact surface synoptic diagram of described digital oscilloscope
Fig. 6 is in the preferred embodiment of the present invention, the structured flowchart of described digital oscilloscope
Fig. 7 is in the preferred embodiment of the present invention, the 3rd interface synoptic diagram of described digital oscilloscope
Fig. 8 is in the preferred embodiment of the present invention, the 4th interface synoptic diagram of described digital oscilloscope
Fig. 9 is in the preferred embodiment of the present invention, and the area of described digital oscilloscope calculates synoptic diagram
Embodiment
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail.
With reference to Fig. 6, be the structured flowchart of the listed digital oscilloscope of present embodiment, this digital oscilloscope comprises storing successively the storage unit 6011 of multiframe measured waveform data; Produce the input block 6012 of input control information; According to described input control information, obtain the unusual waveforms data, and with the waveform display mode, show the waveform display unit 6013 of described unusual waveforms data.
With reference to Fig. 1, the listed digital oscilloscope of present embodiment is carried out the detection step that first unusual waveforms is arranged, and may further comprise the steps:
Step 1011: receive the control information of one group of threshold value that comprises measuring control information and adapt with it;
Step 1012: according to described measuring control information, obtain a standard value and one group of measured value by the measured waveform data that described multiframe is recorded, and according to described standard value and described one group of measured value, obtain one group with described one group of difference that measured value is corresponding;
Step 1013: show that the corresponding measured waveform data of difference that exceed described threshold value are the unusual waveforms data.
With reference to Fig. 1, one group of measuring control information of reception in the step 1011, refer to receive a reference waveform and select information and the control information of a measurement type, step 1012, select information according to described reference waveform, select any frame measured waveform data in the measured waveform data that described multiframe records as the reference waveform data; And according to the control information of described measurement type, obtain a described standard value by described reference waveform data, the standard value here is a numerical value, and this numerical value contains physical significance, the for example cycle of the corresponding reference waveform of reference waveform data, frequency, perhaps peak-to-peak value etc.This standard value also can directly be set, and does not obtain from the reference waveform data.Chosen the peak-to-peak value of described reference waveform in the present embodiment as standard value, one group of measured waveform data in the measured waveform data of being recorded by described multiframe correspondingly obtain each peak-to-peak values of described one group of measured waveform data.Take absolute value after each peak-to-peak values of the peak-to-peak value of reference waveform and described one group of measured waveform data subtracted each other, obtain difference separately.For the ease of demonstration and analysis to unusual waveforms, this preferred embodiment also is converted into diversity factor with difference.With absolute value maximum in the above-mentioned absolute value that obtains namely maximum difference be made as 100%, set the diversity factor that this percentage is measured waveform data and reference waveform data, calculate each diversity factor of other measured waveform data according to maximum absolute value, diversity factor higher limit 100% and other each differences successively.Setting diversity factor 70% in the present embodiment is threshold value, and the measured waveform data that all differences degree surpasses this threshold value all are the unusual waveforms data.
Explanation also can define a definite difference as threshold value as an example, and the measured waveform data that all differences surpass this threshold value all are the unusual waveforms data.
Explanation as an example, also can set other diversity factor value is threshold value, for example 50%, or 80%.
Explanation also can be chosen cycle or frequency as the standard value of reference waveform as an example.
Explanation as an example, step 1012, the establishing criteria waveform is selected information, also can select the mean value waveform of multiframe measured waveform data as the reference waveform data.
Explanation as an example, the whole measured waveform data in the measured waveform data of being recorded by described multiframe correspondingly obtain each peak-to-peak values of described whole measured waveform data.Take absolute value after each peak-to-peak values of the peak-to-peak value of reference waveform and described whole measured waveform data subtracted each other, obtain difference separately.
Explanation as an example, what compare with reference waveform can be whole each frame measured waveform data, also can be the measured waveform data of part, the user can be as required, start frame and the end frame of the measured waveform data that selection and reference waveform data compare.
The described digital oscilloscope of present embodiment includes start frame setup menu frame 8011, abort frame setup menu frame 8012 and threshold value setup menu frame 8013, with reference to Fig. 8, in start frame setup menu frame 8011, the user can set the start frame of the measured waveform data of carrying out the unusual waveforms detection, in abort frame setup menu frame 8012, can set the abort frame of the measured waveform data of carrying out the unusual waveforms detection, by setting start frame and abort frame, the measured waveform data that can select all are recorded are carried out unusual waveforms and are detected, and perhaps only select wherein one group of measured waveform data to carry out unusual waveforms and detect.In threshold value setup menu frame 8013, the user can set the diversity factor threshold value.
In conjunction with Fig. 5 and Fig. 6, this waveform display unit 6013 of implementing described digital oscilloscope provides a main display interface 7012, after unusual waveforms detects end, described digital oscilloscope can be added up all measured waveform data that exceed threshold value, note the memory location of measured waveform data correspondence, and in the main display interface 7012 of waveform display unit 6013, with the waveform display mode, show the first frame unusual waveforms data of noting 4012 ' automatically.And in the digital display area 5011 of waveform display unit 6013, with the form display abnormality waveform sum of numeral, current unusual waveforms serial number, threshold value, the start frame of measured waveform data, the end frame of measured waveform data and the diversity factor of present frame in the unusual waveforms sum.
With reference to Fig. 2, the listed digital oscilloscope of present embodiment has also been carried out second unusual waveforms and has been detected step, may further comprise the steps:
Step 2011: receive the control information of one group of threshold value that comprises measuring control information and adapt with it;
Step 2012: according to described measuring control information, obtain frame reference waveform data and multiframe measured waveform data in the measured waveform data of being recorded by described multiframe,
Step 2013: according to the area between every corresponding waveform of frame measured waveform data in the described multiframe measured waveform data and the corresponding waveform of described reference waveform data, the measured waveform data that the described area of correspondence exceeded described threshold value are shown as the unusual waveforms data.
In the step 2011, receive one group of measuring control information, refer to receive a reference waveform and select information, select information according to described reference waveform, by selecting frame measured waveform data as the reference waveform data in the described measured waveform data of recording, with reference to Fig. 9, the absolute value of the difference of each row coordinate data of accumulative total reference waveform 9011 and each row coordinate data of measured waveform 9012 obtains the area S between reference waveform 9011 and the measured waveform 9012.For the ease of demonstration and analysis to unusual waveforms, this preferred embodiment also is converted into diversity factor with area S.Namely, among the described area S with corresponding multiframe measured waveform data, a maximum area S is made as maximum area, the area S of every frame measured waveform data correspondence and the ratio of this maximum area, be called the diversity factor of these frame measured waveform data and reference waveform data, described diversity factor is represented with percentage.Also set 70% in the present embodiment and be the threshold value of diversity factor, and the measured waveform data that all differences degree meets or exceeds this threshold value all are set at the unusual waveforms data.
Explanation also can define a definite area as threshold value as an example, and the measured waveform data that all areas surpass this threshold value all are the unusual waveforms data.
Explanation as an example, in the present embodiment, except the diversity factor threshold value being set at 70%, also can set other numerical value is the diversity factor threshold value.
Explanation as an example when obtaining described reference waveform data by the described measured waveform data of recording, also can be obtained its mean value Wave data by the described measured waveform data of recording, and with this mean value Wave data as described reference waveform data.
In conjunction with Fig. 5 and Fig. 6, the described oscillograph of present embodiment is after unusual waveforms detects end, to exceeding all measured waveform data of threshold value, note the memory location of measured waveform data correspondence, and in the main display interface 7012 of waveform display unit 6013, with the waveform display mode, show the first frame unusual waveforms data of noting 4012 ' automatically.And in the digital display area 5011 of waveform display unit 6013, with the form display abnormality waveform sum of numeral, current unusual waveforms serial number, threshold value, the start frame of measured waveform data, the end frame of measured waveform data and the diversity factor of present frame in the unusual waveforms sum.
With reference to Fig. 3, the listed digital oscilloscope of present embodiment has also been carried out the 3rd unusual waveforms and has been detected step, may further comprise the steps:
Step 3011: receive measuring control information and a two-dimentional threshold value that comprises time threshold and amplitude threshold;
Step 3012: according to described measuring control information, obtain frame reference waveform data and multiframe measured waveform data in the measured waveform data of being recorded by described multiframe;
Step 3013: according to described time threshold and amplitude threshold, and the amplitude in each sampling time of described reference waveform data, produce the amplitude measurement scope in each sampling time of the corresponding described measured waveform data of recording, in described multiframe measured waveform data, the measurement data that comprises the described sampling time exceeds the measured waveform data of described amplitude measurement scope, is shown as the unusual waveforms data.
As an illustration, in the present embodiment step 3013, be from the measured waveform data that described digital oscilloscope is recorded, to select frame measured waveform data as the reference waveform data.
Explanation also can be obtained its mean value Wave data as described reference waveform data by the described measured waveform data of recording in the present embodiment as an example.
As an illustration, in present embodiment step 3011 and the step 3013, described time threshold and amplitude threshold, can claim that also time threshold is level thresholds, amplitude threshold is vertical threshold, in this preferred embodiment, the setting-up time threshold value is 2, amplitude threshold is 5, so at each data point of forming the reference waveform data, its time threshold value all is 2 accordingly, amplitude threshold all is 5 accordingly, illustrate below according to described time threshold and amplitude threshold, and the amplitude in each sampling time of described reference waveform data, the amplitude measurement scope in each sampling time of the corresponding described measured waveform data of recording produced, described amplitude measurement scope comprises an amplitude measurement range limit and an amplitude measurement scope lower limit, to determine that described amplitude measurement range limit is example, illustrate with 6 data points, the data point reference value that the amplitude higher limit of standard wave graphic data data point equals the reference waveform data in the following table adds amplitude threshold.Amplitude threshold is 5, is example with the 3rd point, and the amplitude higher limit of the 3rd reference waveform data wave form point is 48 to add 5 and equal 53.Time threshold is 2, the amplitude higher limit of the 3rd reference waveform data wave form point is 53, the amplitude in its preceding two sampling times and the amplitude in latter two sampling time all are 53, with these group data 53,53,53,53,53 respectively with 47,54,53,62,62 relatively after, get higher value, obtain first o'clock to the amplitude measurement range limit value 53,54,53,62,62 of the 5th point.
Continuation is calculated the 4th point, the amplitude upper limit of the 4th point is 62, the amplitude in preceding two sampling times and the amplitude in latter two sampling time all are 62, after comparing with 54,53,62,62,73 respectively, get higher value, obtain at the second o'clock to the amplitude measurement range limit value 62,62,62,62,73 of the 6th point.
Continuation is calculated the 5th point, the amplitude upper limit of the 5th point is 62, the amplitude in preceding two sampling times and the amplitude in latter two sampling time all are 62, after comparing with 53,62,62,73 respectively, get higher value, obtain at three o'clock to the amplitude measurement range limit value 62,62,62,73 of the 6th point.
Continuation is calculated the 6th point, the amplitude upper limit of the 6th point is 73, and the amplitude in preceding two sampling times and the amplitude in latter two sampling time all are 73, after comparing with 62,62,73 respectively, get higher value, obtain at four o'clock to the amplitude measurement range limit value 62,62,73 of the 6th point.
To sum up, obtain the amplitude measurement range limit value of six points and whole data points, the amplitude measurement scope lower limit that uses the same method and to calculate whole data points, in the present embodiment, all data points are the ordinary wave graphic data in the higher limit of described amplitude measurement scope and the measured waveform data between the lower limit all, as long as a data point is arranged more than or equal to the upper limit or smaller or equal to lower limit, just is shown as the unusual waveforms data.This detection method can detect unusual waveforms easily and quickly.
Explanation as an example, the unusual waveforms data in the present embodiment and non-unusual waveforms data also can diversity factor characterize, and wherein the diversity factor of abnormal data is 100%, and the diversity factor of non-unusual waveforms data is 0%.
In conjunction with Fig. 5 and Fig. 6, this implements described digital oscilloscope, after unusual waveforms detects end, add up described unusual waveforms data, note the memory location of unusual waveforms data correspondence, and in the main display interface 7012 of waveform display unit 6013, with the waveform display mode, show the first frame unusual waveforms data of noting 4012 ' automatically.And in the digital display area 5011 of waveform display unit 6013, with the form display abnormality waveform sum of numeral, current unusual waveforms serial number, the start frame of measured waveform data, the end frame of measured waveform data and the diversity factor 0% or 100% of present frame in the unusual waveforms sum.
More than the method for several detection unusual waveforms all be applicable to the digital oscilloscope of recording function, record that also can not need the patent No. be ZL200620119307.4, patent name is the independent waveform recording unit of mentioning in a kind of digital oscilloscope, illustrate as a kind of, it is enough big also can be applied to the sampling memory capacity, for example, in the digital oscilloscope greater than storage depth * 2, when waveform recording, by changing the memory location of every frame sampling waveform in storer, realize the storage of multiframe waveform, and the data conversion storage that does not need to sample is in independent waveform recording unit.
In conjunction with reference to Fig. 4 and Fig. 6, be in the preferred embodiment of the present invention, the first interface synoptic diagram of described digital oscilloscope, after detecting the unusual waveforms data with the detection method of above-mentioned disclosed any one unusual waveforms of the present invention, in the waveform display unit 6013 of described digital oscilloscope, in same display window 4010, with the waveform display mode, show wherein frame unusual waveforms data 4012 and former frame measured waveform data 4013 and thereafter one frame measured waveform data 4014 separately.Go back display standard Wave data 4011 simultaneously.Again in conjunction with reference to Fig. 6 and table one, table two, this implements described digital oscilloscope, can also comprise an individual memory cells 6014, in the individual memory cells 6014 of digital oscilloscope, set two storage spaces, store the serial number of diversity factor value and the unusual waveforms data of each frame measured waveform data respectively.For example, a storage space is used for the data in the storage list one, namely, store the diversity factor value of each frame measured waveform data successively, serial number by each frame measured waveform data storage indexes corresponding diversity factor value, another storage space is used for the data in the storage list two, namely, be used for storing unusual waveforms data corresponding serial number in a last storage space, and form the serial number of unusual waveforms data itself.Setting threshold is 40% in the present embodiment, the 7th frame and the 9th frame measured waveform data that then surpass this threshold value in the table one are the unusual waveforms data, serial number 7 and unusual waveforms data the serial number 9 in measured waveform data of unusual waveforms data in the measured waveform data deposited in table two corresponding memory space, form the first frame unusual waveforms data and the second frame unusual waveforms data.This storage means can find the unusual waveforms data rapidly, and can locate this ranking of unusual waveforms data in the measured waveform data fast.
Table one
Table two
According to above-mentioned method, the described digital oscilloscope of present embodiment, when carrying out the demonstration of unusual waveforms data, can obtain the serial number of these unusual waveforms data in the measured waveform data by unusual waveforms data sequence number index, obtain its corresponding diversity factor value by this serial number again.
In the input block 6012 of the described digital oscilloscope of present embodiment, comprise a keyboard unit, wherein be provided with a knob, by rotating this knob, the serial number that can change the waveform of current demonstration in the waveform display unit 6013 is frame number, after this frame number changes, described digital oscilloscope is according to the frame number after changing, by obtaining corresponding measured waveform frame address in the measured waveform Frame address date, and in the same display window 4010 of waveform display unit 6013, with the waveform display mode, show former frame measured waveform data and the back one frame measured waveform data of the measured waveform data corresponding with described frame address and described measured waveform data separately.When the correspondence of the frame number after change unusual waveforms data, obtain a unusual waveforms frame address by unusual waveforms frame address data, and in described display window, with the waveform display mode, show former frame measured waveform data and the back one frame measured waveform data of the unusual waveforms data corresponding with described frame address and described unusual waveforms data separately.
In the present embodiment, referring to Fig. 4, in described display window 4010, the waveform display position of corresponding unusual waveforms data 4012, also in the ranking of display abnormality Wave data 4012 below this waveform in the measured waveform data that described multiframe is recorded, the ranking of unusual waveforms data 4012 is that serial number is 11 in the present embodiment.In described display window 4010, the display position of corresponding former frame measured waveform data 4013 and back one frame measured waveform data 4014 is also showing described former frame measured waveform data 4013 and back one ranking 10 and 12 of frame measured waveform data 4014 in the measured waveform data that described multiframe is recorded below this waveform.Simultaneously, described oscillograph is also used different color display standard Wave datas 4011, for example, waveform display standard Wave data 4011 with yellow, waveform display abnormality Wave data 4012 with blueness, and former frame measured waveform data 4013 and back one frame measured waveform data 4014, display packing by this improved unusual waveforms, can understand unusual waveforms and its former frame waveform intuitively and reach the relation between the frame waveform thereafter, also convenient difference of observing between unusual waveforms data 4012 and the reference waveform data 4011.
In the present embodiment, in described display window 4010, also have a focus frame 4015, focus frame 4015 frames are lived unusual waveforms data 4012 and the reference waveform data 4011 corresponding with it, are used for highlighting unusual waveforms data 4012.The waveform that shows in the focus frame 4015 is the unpressed reference waveform data 4011 ' that show in the main display interface 7012 of digital oscilloscope waveform display unit 6013 and the breviary waveform of unpressed unusual waveforms data 4012 '.Arrow 4016 and back arrow 4017 before below focus frame 4015, having, preceding arrow 4016 and back arrow 4017 represent respectively whether the front and back of the unusual waveforms data 4012 of current demonstration also have other unusual waveforms data, if have, arrow 4016 or back arrow 4017 before then showing respectively.If no, then can represent by arrow 4016 before not showing or back arrow 4017.Illustrate as a kind of, if there are not other unusual waveforms data, the Show Color of the Show Color of preceding arrow 4016 or back arrow 4017 changes, for example grizzle.
In the present embodiment, after unusual waveforms detects and finishes, can in display window 4010, at first with the waveform display mode, show the first frame unusual waveforms data 4012 and former frame measured waveform data 4013 thereof and back one frame measured waveform data 4014 separately.
With reference to Fig. 5, be in the preferred embodiment of the present invention, the second contact surface synoptic diagram of described digital oscilloscope.Detection method with above-mentioned disclosed any one unusual waveforms of the present invention detects the unusual waveforms data, and obtain the diversity factor value of every frame measured waveform data, in the digital display area 5011 of described digital oscilloscope waveform display unit with the form display abnormality waveform sum of numeral, current unusual waveforms serial number, threshold value, the start frame of measured waveform data, the end frame of measured waveform data and the diversity factor of present frame in the unusual waveforms sum.And in the display interface that the waveform display unit 6013 of described digital oscilloscope provides, a rectilinear 5012 that marks off a plurality of display blocks along straight line is provided, in rectilinear 5012, make the different measured waveform data in the respectively corresponding described one group of measured waveform data of different described display blocks, and in described display block, represent that with the color lump of different colours the measured waveform data of described display block correspondence have different diversity factoies.In this preferred embodiment, rectilinear 5012 is 700 at the screen pixels width of X direction correspondence, each described display block is a pixel, the measured waveform data totalframes of recording when described digital oscilloscope is 7996 frames, for guaranteeing that 700 pixels hold 7996 frame measured waveform data, need compress processing to 7996 frame measured waveform data, compression method can adopt common compression method, compress as extracted at equal intervals, but in order to highlight the big unusual waveforms data of diversity factor, be convenient to the user and observe the unusual waveforms data, what this preferred embodiment adopted is that peak value extracts compression method, for example, after 700, obtain whole-number result 11 and remainder 296 with 7996,7996 orders are divided into 700 groups, every group of 11 frame measured waveform data, 296 remaining frames uniformly-spaced add in 700 groups of measured waveform data, get the diversity factor of the measured waveform data of diversity factor maximum in every group of measured waveform data and organize diversity factor as this, obtain 700 new diversity factoies altogether.So just guaranteed the corresponding diversity factor of a pixel.In the present embodiment, rectilinear 5012 adopts different color pixel to represent the different diversity factoies of small set of data.In the present embodiment, when the frame number of measured waveform data less than 700 the time, can represent frame measured waveform data with a plurality of pixel correspondences, be 350 o'clock as the frame number of measured waveform data, can characterize frame measured waveform data with two pixels.There is a color index map post 5013 on 5011 right sides in the digital display area, figure post 5013 adopts different colors from top to bottom, characterize the color gradient effect of diversity factor from 0% to 100%, make the different diversity factor of the corresponding expression of different colors, each pixel is by diversity factor of characterization in the rectilinear 5012, different diversity factoies is to there being different colors, this preferred embodiment is represented the diversity factor of 0%-100% with the different colours in the 0-127 color range, specific algorithm is as follows: the color range of diversity factor correspondence=diversity factor * 127, the result rounds.Be 64% as diversity factor, corresponding color range is 64%*127=81, is 100% as diversity factor, and corresponding color range is 100%*127=127, is 0% as diversity factor, and corresponding color range is 0%*127=0.
Illustrate as an example, also can adopt the method for other define colors, all be defined as blueness such as the diversity factor that will be lower than threshold value, the diversity factor that will be higher than threshold value is defined as redness etc.
With reference to Fig. 5, be in the preferred embodiment of the present invention, a focus frame 4015 is arranged, in the focus frame 4015, use the waveform display mode, the 11st frame measured waveform data have been shown, on rectilinear 5012, also have one to amplify callout box 5014, in the present embodiment, the total quantity from the whole measuring amount Wave datas of the corresponding expression of length of rectilinear 5012 is amplified callout box 5014 corresponding expression the 11st frame measured waveform data, can illustrate the 11st position of frame measured waveform data in the measured waveform sum in the position on the rectilinear 5012 by amplifying callout box 5014.
Above rectilinear 5012, also have one to amplify rectilinear 5015, amplify rectilinear 5015 and amplify the measured waveform data that show in the amplification callout box 5014, amplify and amplify the enlargement factor that the frame number that shows depends on that the needs amplification shows in the rectilinear 5015, in this preferred embodiment, amplify 3 pixels of rectilinear 5015 usefulness and show frame measured waveform data, when the measured waveform totalframes is 7996, when rectilinear 5015 corresponds to 700 pixels, enlargement ratio=7996/700 * 3=11*3=33, amplify and amplify the frame number that shows in the rectilinear 5015: 7996/33=242, above computation process is all carried out rounding operation.
Below digital display area 5011, amplify the frame number scope of amplifying demonstration in the rectilinear 5015 with digital 1-242 mark.
In the present embodiment, amplifying the frame number scope that shows in amplifying rectilinear 5015 is 242, the measured waveform totalframes is 7996, by pixel=amplification callout box display width/700 of 242/7996=amplification callout box display width/rectilinear correspondence, can calculate the display width that amplifies callout box 5014 is 21 pixels.After the display width of amplification callout box 5014 was determined, present embodiment preferably was presented at the middle part of amplifying callout box 5014 with the measured waveform data that show in the focus frame 4015, so that the user observes.
Amplifying above the rectilinear 5015, also have an inverted triangle sign 5016, be used for illustrating the accurate position of measured waveform data in amplifying the measured waveform data that show that show in the focus frame 4015.Explanation can also be illustrated with other mark as an example.
Above amplification rectilinear 5015, also has a histogram 5017, histogram 5017 is corresponding one by one with amplification rectilinear 5015 represented measured waveform data, difference is, it characterizes in the amplification rectilinear 5015 the different diversity factoies that different measured waveform data have by the height of histogram figure post.In the present embodiment, the height of the highest figure post of histogram is defined as 20 pixels, and the highest figure post of histogram characterizes maximum difference degree 100%, and diversity factor is that the height of the histogram figure post of 64% measured waveform data correspondence is the 64%*20=12 pixel, and the result rounds.
In the present embodiment, simultaneously, 5017 these two kinds of different constitutional diagrams characterize the different diversity factoies that the measured waveform data have with histogram with the rectilinear 5015 of colour, can make the user observe out the distribution of unusual waveforms data in the measured waveform data intuitively, be convenient to grasp overall condition, the colored rectilinear of amplification can more clearly lock the local circumstance that the user is concerned about.
With reference to Fig. 6, be in the preferred embodiment of the present invention, the structured flowchart of described digital oscilloscope, this digital oscilloscope comprises the storage unit 6011 of storing multiframe measured waveform data successively; Produce the input block 6012 of control information; According to described input control information, obtain the unusual waveforms data, and with the waveform display mode, show the waveform display unit 6013 of described unusual waveforms data.In individual memory cells 6014, set two storage spaces in the preferred embodiment of the present invention again, store the serial number of diversity factor value and the unusual waveforms data of each frame measured waveform data respectively.In the storage space of the data in the storage list one, store the diversity factor value of each frame measured waveform data successively, serial number by each frame measured waveform data storage indexes corresponding diversity factor value, the storage space of the data in the storage list two is used for storing the serial number of unusual waveforms data correspondence in a last storage space, and forms the serial number of unusual waveforms data itself.Setting threshold is 40% in the present embodiment, and the 7th frame and the 9th frame measured waveform data that then surpass this threshold value in the table one are the unusual waveforms data, and frame number 7 and frame number 9 are deposited in the table two, form the first frame unusual waveforms data and the second frame unusual waveforms data.This storage means can find the unusual waveforms data rapidly, and can locate the serial number of these unusual waveforms data in the measured waveform data fast.
When carrying out the demonstration of unusual waveforms data, obtain the serial number of these unusual waveforms data in the measured waveform data by unusual waveforms data sequence number index, obtain its corresponding diversity factor by this serial number again.With reference to Fig. 7, be in the preferred embodiment of the present invention, the 3rd interface synoptic diagram of described digital oscilloscope, this interface synoptic diagram is the display interface of digital oscilloscope waveform display unit 6013, upwards soft-key button 70111 and a downward soft-key button 70112 are arranged in the soft-key button menu 7011 in display interface, when making progress soft-key button 70111 in elected, central processing unit in the waveform display unit 6013 will index the previous frame unusual waveforms data of current unusual waveforms data from the storage space of table two, and will show these previous frame unusual waveforms data in the main display interface 7012 of waveform display unit 6013 and focus frame 4015.In elected downwards during soft-key button 70112, central processing unit in the waveform display unit 6013 will index the next frame unusual waveforms data of current unusual waveforms data from the storage space of table two, and will show these next frame unusual waveforms data in the main display interface 7012 of waveform display unit 6013 and focus frame 4015.
Sometimes in order to observe complete measured waveform data, soft-key button menu 7011 need be packed up, when packing up soft-key button menu 7011, upwards soft-key button 70111 in the soft-key button menu 7011 and downward soft-key button 70112 be corresponding packing up also, be unfavorable for observing the adjacent different ordinary wave graphic data of current abnormal wave data, in order to address this problem, on the keyboard unit 60121 in digital oscilloscope input block 6012, be provided with upwards button and a downward button.When pressing upwards button, central processing unit in the waveform display unit 6013 will index the previous frame unusual waveforms data of current unusual waveforms data from the storage space of table two, and will show these previous frame unusual waveforms data in the main display interface 7012 of waveform display unit 6013 and focus frame 4015.When pressing downward button, central processing unit in the waveform display unit 6013 will index the next frame unusual waveforms data of current unusual waveforms data from the storage space of table two, and will show these next frame unusual waveforms data in the main display interface 7012 of waveform display unit 6013 and focus frame 4015.
When the unusual waveforms data of current demonstration are the first frame unusual waveforms data, when choosing upwards soft-key button 70111 again or pressing upwards button, show still in main display interface 7012 and the focus frame 4015 that the first frame unusual waveforms data do not change, preceding arrow 4016 disappears or appears dimmed, and the unusual waveforms data of pointing out current demonstration are first frame unusual waveforms data.
When the unusual waveforms data of current demonstration are last frame unusual waveforms data, when choosing downward soft-key button 70112 again or pressing downward button, show still in main display interface 7012 and the focus frame 4015 that last frame unusual waveforms data do not change, back arrow 4017 disappears or appears dimmed, and the unusual waveforms data of pointing out current demonstration are last frame unusual waveforms data.
In the keyboard unit 60121, also be provided with a physics knob, during turn physics knob, the unusual waveforms data that show in the focus frame 4015 can correspondingly change in proper order, serial number below the focus frame also changes thereupon, turn physics knob can make the user follow one's inclinations and observe frame unusual waveforms data of appointment.
Digital oscilloscope for the display abnormality waveform disclosed by the invention, with upwards button and button difference indicated number previous frame unusual waveforms data and next frame unusual waveforms data downwards, do not obscure mutually with other measured waveform data, and can observe frame unusual waveforms data of any appointment, the trend of paying close attention to the unusual waveforms variation for the user provides convenience.
Though described embodiments of the present invention by reference to the accompanying drawings, those of ordinary skills can make various changes and modifications within the scope of the appended claims.
Claims (7)
1. the display packing of a unusual waveforms is used for digital oscilloscope,
Described digital oscilloscope comprises the storage unit of the measured waveform data of recording for the storage multiframe;
The input block that is used for input control information;
Be used for showing the waveform display unit of described measured waveform data;
It is characterized in that, comprise step,
According to described input control information, one group of described measured waveform data and reference waveform data are compared, obtain multiframe unusual waveforms data, and in same display window, with the waveform display mode, show the wherein described unusual waveforms data of a frame and former frame measured waveform data and back one frame measured waveform data separately.
2. method according to claim 1 is characterized in that comprising step,
The frame address of preserving the whole unusual waveforms data in the described measured waveform data is unusual waveforms frame address data;
Specify unusual waveforms to show information according to one again, obtain a described frame address by described unusual waveforms frame address data, and in described display window, with the waveform display mode, show former frame measured waveform data and the back one frame measured waveform data of the unusual waveforms data corresponding with described frame address and described unusual waveforms data separately.
3. method according to claim 2 is characterized in that comprising step,
Show information according to a contiguous unusual waveforms, obtain frame address with the adjoining described unusual waveforms data of the frame address of the unusual waveforms data of current demonstration by described unusual waveforms frame address data, and in described display window, with the waveform display mode, show the unusual waveforms data of described frame address correspondence and former frame measured waveform data and the back one frame measured waveform data of described unusual waveforms data separately.
4. method according to claim 3 is characterized in that comprising step,
Show information according to described contiguous unusual waveforms, obtained the frame address of whole described unusual waveforms data successively by described unusual waveforms frame address data, and in described display window, with the waveform display mode, show the unusual waveforms data of described frame address correspondence and former frame measured waveform data and the back one frame measured waveform data of described unusual waveforms data successively separately.
5. method according to claim 4 is characterized in that comprising step,
In described display window, the display position of corresponding described unusual waveforms data shows the ranking of described unusual waveforms data in the measured waveform data that described multiframe is recorded.
6. method according to claim 5 is characterized in that comprising step,
In described display window, the display position of corresponding described former frame measured waveform data and back one frame measured waveform data shows described former frame measured waveform data and back one ranking of frame measured waveform data in the measured waveform data that described multiframe is recorded.
7. method according to claim 6 is characterized in that comprising,
Initialization step, at first, obtain the wherein frame address of the first frame unusual waveforms data by described unusual waveforms frame address data, and in described display window, with the waveform display mode, show described unusual waveforms data and former frame measured waveform data thereof and back one frame measured waveform data separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210012366.1A CN103207294B (en) | 2012-01-16 | 2012-01-16 | A kind of display packing of the unusual waveforms of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210012366.1A CN103207294B (en) | 2012-01-16 | 2012-01-16 | A kind of display packing of the unusual waveforms of improvement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103207294A true CN103207294A (en) | 2013-07-17 |
| CN103207294B CN103207294B (en) | 2016-12-14 |
Family
ID=48754579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210012366.1A Active CN103207294B (en) | 2012-01-16 | 2012-01-16 | A kind of display packing of the unusual waveforms of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103207294B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913615A (en) * | 2014-03-21 | 2014-07-09 | 中国科学院长春光学精密机械与物理研究所 | IRIG-B code alternating-current code distortion monitoring displaying system |
| CN108627695A (en) * | 2018-03-02 | 2018-10-09 | 深圳市鼎阳科技有限公司 | A kind of abnormal signal display methods and spectrum analyzer system, digital spectrum analysis instrument |
| CN112014611A (en) * | 2020-10-16 | 2020-12-01 | 深圳市鼎阳科技股份有限公司 | Digital oscilloscope and data detection method thereof |
| CN113205572A (en) * | 2021-05-17 | 2021-08-03 | 深圳集智数字科技有限公司 | Data processing method and device, computer equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030142096A1 (en) * | 2002-01-31 | 2003-07-31 | Koji Yano | Circuit for controlling display of modulated image in an image display device, and image display method and device |
| US20030220753A1 (en) * | 2002-05-24 | 2003-11-27 | Pickerd John J. | Combined analog and DSP trigger system for a digital storage oscilloscope |
| US20090245339A1 (en) * | 2008-03-25 | 2009-10-01 | Tektronix, Inc. | Apparatus and method for analyzing a signal under test |
| CN101726644A (en) * | 2009-11-20 | 2010-06-09 | 电子科技大学 | Digital storage oscilloscope with functions of waveform fast location and zooming |
| CN102116783A (en) * | 2010-12-31 | 2011-07-06 | 北京普源精电科技有限公司 | Waveform display method |
-
2012
- 2012-01-16 CN CN201210012366.1A patent/CN103207294B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030142096A1 (en) * | 2002-01-31 | 2003-07-31 | Koji Yano | Circuit for controlling display of modulated image in an image display device, and image display method and device |
| US20030220753A1 (en) * | 2002-05-24 | 2003-11-27 | Pickerd John J. | Combined analog and DSP trigger system for a digital storage oscilloscope |
| US20090245339A1 (en) * | 2008-03-25 | 2009-10-01 | Tektronix, Inc. | Apparatus and method for analyzing a signal under test |
| CN101726644A (en) * | 2009-11-20 | 2010-06-09 | 电子科技大学 | Digital storage oscilloscope with functions of waveform fast location and zooming |
| CN102116783A (en) * | 2010-12-31 | 2011-07-06 | 北京普源精电科技有限公司 | Waveform display method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913615A (en) * | 2014-03-21 | 2014-07-09 | 中国科学院长春光学精密机械与物理研究所 | IRIG-B code alternating-current code distortion monitoring displaying system |
| CN108627695A (en) * | 2018-03-02 | 2018-10-09 | 深圳市鼎阳科技有限公司 | A kind of abnormal signal display methods and spectrum analyzer system, digital spectrum analysis instrument |
| CN108627695B (en) * | 2018-03-02 | 2020-06-16 | 深圳市鼎阳科技股份有限公司 | Abnormal signal display method, spectrum analysis system and digital spectrum analyzer |
| CN112014611A (en) * | 2020-10-16 | 2020-12-01 | 深圳市鼎阳科技股份有限公司 | Digital oscilloscope and data detection method thereof |
| CN113205572A (en) * | 2021-05-17 | 2021-08-03 | 深圳集智数字科技有限公司 | Data processing method and device, computer equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103207294B (en) | 2016-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103207295A (en) | Convenient method for detecting abnormal waveform | |
| CN100375123C (en) | Measurement icons for digital oscilloscopes | |
| CN1230683C (en) | Simultaneous display of primary measurement values and derived parameters | |
| CN103376380B (en) | A kind of test system and method | |
| CN102128962B (en) | For providing the T & M instruments and methods gathering rear trigging control and present | |
| CN103207294A (en) | Improved method for displaying abnormal waveform | |
| CN103308738B (en) | Abnormal waveform recording method for oscilloscope with high capture rate | |
| US20070061629A1 (en) | Drop and drag logic analyzer trigger | |
| CN103207297A (en) | Method for displaying unusual waveforms intuitively | |
| CN102466745B (en) | A kind of digital multimeter of waveform display measurement result | |
| CN105510664A (en) | Automatic setting method of digital oscilloscope | |
| CN107966643B (en) | Interactive visualization device for real-time test data and implementation method thereof | |
| CN103207298A (en) | Rapid detection method of abnormal waveform | |
| CN103207296A (en) | Digital oscilloscope for displaying abnormal waveforms | |
| CN103207299A (en) | Improved method for detecting abnormal waveform | |
| CN108627695B (en) | Abnormal signal display method, spectrum analysis system and digital spectrum analyzer | |
| CN105184256A (en) | Surge test equipment-under-test status lamp image pattern recognition method | |
| CN108228878B (en) | Data management method and module of distributed measurement system | |
| CN104049118B (en) | Oscillograph with trendgram display waveform measurement parameter | |
| CN106896250A (en) | A kind of display methods of three-dimensional waveform data | |
| CN107315170B (en) | Pulse sequence signal correlation analysis and display system and method | |
| CN105067151A (en) | Signal conditioning based artillery temperature parameter test device and method | |
| CN103323638A (en) | Multifunctional digital scope meter | |
| CN105911323A (en) | Oscilloscope for multichannel signal detection and multichannel signal detection method thereof | |
| CN212111637U (en) | Test tool point inspection system of test strip detecting instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |