CN102053188A - Digital oscilloscope with label display function and control method thereof - Google Patents
Digital oscilloscope with label display function and control method thereof Download PDFInfo
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- CN102053188A CN102053188A CN2009102375010A CN200910237501A CN102053188A CN 102053188 A CN102053188 A CN 102053188A CN 2009102375010 A CN2009102375010 A CN 2009102375010A CN 200910237501 A CN200910237501 A CN 200910237501A CN 102053188 A CN102053188 A CN 102053188A
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Abstract
The invention discloses a digital oscilloscope with label display function and a control method thereof. The label display control method comprises the following steps: (1) firstly, obtaining measurement item and measurement information source, and then measuring by use of a digital oscilloscope; and (2) allowing the digital oscilloscope to draw a small label on a display interface according to the measurement item and the measurement information source, wherein the shape of the small label indicates the measurement item, and the color indicates measurement information source. The label display control method can be applied in a digital oscilloscope, so that the digital oscilloscope also has label display function. The invention highlights the measurement item corresponding to the measurement data by adding a small label on the measurement item, so that a user can clearly observe the statistical result of the measurement by directly observing the measurement region, with no need to observe the waveform region.
Description
Technical field
The present invention relates to a kind of being used among the digital oscilloscope, utilize small tenon to sign the display control method that shows measured value, also relate to the digital oscilloscope that uses this display control method simultaneously, belong to electromagnetic measurement instrument technical field.
Background technology
The new oscilloscope that digital oscilloscope is made up of data acquisition unit, A/D modular converter, sweep oscillator etc.It can also be used to measure periodically physical process such as frequency, voltage strength except being used to observe the waveform of electric current, is bringing into play crucial effect in scientific research, production.
In general, Utility Engineers's digital oscilloscope is correctly caught often needs behind the waveform parameters of interest is measured or verified.Because digital oscilloscope can all waveform parameters that capture of one-shot measurement, the user by the value (minimum value, maximal value etc.) of observing statistics just can recognize rapidly may exist in the waveform unusually, thereby created convenience for scientific research and development work.
The MSO9104A oscillograph that U.S. Agilent company releases is an a digital oscilloscope comparatively commonly used at present.In this oscillographic display interface, left mouse button chooses the left side to measure an icon, and drag it on the waveform incident of wanting to measure, perhaps choose and measure item, information source is measured in selection in the middle of the dialog box of ejection, and oscillograph will show the statistics of correspondence measurement item in the lower end of screen, comprise maximal value, minimum value, currency and mean value, the title that will measure simultaneously and corresponding information source write on statistical value above.In some cases, in order to show the corresponding relation of measurement result and passage, the little label of measuring item can be presented on the waveform.
This be provided with on the waveform small tenon write comments on a document the display mode of releasing given prominence to measure with the measurement information source between relation, can so that what measurement the current waveform of real-time monitored carrying out.But, when the user need pay close attention to the concrete measured value of some parameter more, will more be careful the measurement result that the display interface below shows.And that existing small tenon is signed display mode is outstanding to a demonstration of measuring and measuring passage, when a lot of are measured item and need show simultaneously, causes obscuring of user easily.
Therefore, have now and small tenon is set on waveform writes comments on a document the display mode of releasing and still need to be further improved.
Summary of the invention
Primary technical matters to be solved by this invention is to provide a kind of label display control method that is used for digital oscilloscope.This method has been carried out further improvement to the display effect of little label.
Thereby another one technical matters to be solved by this invention is to provide a kind of digital oscilloscope that uses this display control method to have the label Presentation Function.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of label display control method that is used for digital oscilloscope is characterized in that comprising following step:
(1) at first obtains measurement project and measurement information source, utilize digital oscilloscope to implement measuring operation then;
(2) described digital oscilloscope is drawn little label, the described measurement project of the shape characterization of wherein little label, the described measurement information source of characterization according to measurement project and measurement information source on display interface.
Wherein, described step (2) specifically comprises following step:
(21) press predetermined key, control treatment module is sent interrupt request, and informs the key information of being resolved;
(22) state machine receives this press key message, is converted into feature message, and the graphic user interface unit in digital oscilloscope sends this feature message simultaneously;
(23) graphic user interface unit resolves to forms message with feature message, draws display interface according to the pairing function of predetermined key;
Is (24) the pairing digital oscilloscope function of graphic user interface unit arbitration functions message opened?
(25) if do not open then do not show little label, if opened then on display interface, draw the little label that each measures project one by one.
In described step (23), the corresponding relation at function and interface is kept in the static table, and described graphic user interface unit is searched for the necessary information in interface of drawing in described static table.
A kind of digital oscilloscope comprises A/D modular converter, D/A modular converter, analog front-end module, trigger circuit, FPGA, load module, display module and control treatment module; Wherein said analog front-end module connects described A/D modular converter and described trigger circuit respectively, described A/D modular converter connects described FPGA, described FPGA is sent in the output of described trigger circuit, described FPGA connects described control treatment module, described control treatment module connects described D/A modular converter, and described D/A modular converter is to described trigger circuit output comparative level; It is characterized in that:
Described digital oscilloscope adopts following step to draw little label on display interface:
(1) at first obtains measurement project and measurement information source, utilize digital oscilloscope to implement measuring operation then;
(2) described digital oscilloscope is drawn little label, the described measurement project of the shape characterization of wherein little label, the described measurement information source of characterization according to measurement project and measurement information source on display interface.
The present invention's employing is added the way of little label and is given prominence to the pairing measurement item of measurement data on the measurement item, and utilizes the shape of little label to indicate measurement item, color showing measurement information source.Like this, the user does not need to observe the waveform district, and the Direct observation measured zone just can clear view arrive the statistics of measuring.
Description of drawings
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is a kind of principle of work block diagram of digital oscilloscope;
Fig. 2 is the basic flow sheet of digital oscilloscope label display control method provided by the present invention;
Fig. 3 is the operational flowchart that shows little label on the display interface of digital oscilloscope;
Fig. 4 is not for an exemplary plot of the digital oscilloscope display interface of little label;
Fig. 5 is an exemplary plot that has the digital oscilloscope display interface of little label.
Embodiment
Fig. 1 is a kind of principle of work block diagram of digital oscilloscope.The principle of work of this digital oscilloscope is such: at first, outside signal input is exported to the A/D modular converter and is carried out analog to digital conversion through analog front-end module, exports to trigger circuit simultaneously, carries out signal triggering.The output of A/D modular converter is connected to FPGA (field programmable gate array), carries out data processing.Another input end of trigger circuit is a comparative level, and trigger circuit output is connected to FPGA, and trigger circuit generally constitute by triggering modulate circuit and comparer, and comparer output is directly connected to FPGA.The judgement that FPGA triggers inside, and control sampling process.FPGA is connected with control treatment module, accepts the control command from control treatment module, data is exported to control treatment module, and show.Control treatment module control D/A modular converter is used to produce the needed comparative level of trigger circuit.Control treatment module is connected to the output terminal of load module, is used to accept the operational order from oscillograph button and various interface.Though dissimilar digital oscilloscopes there are differences on physical circuit, basic framework is similar.
Based on above-mentioned digital oscilloscope, digital oscilloscope label display control method provided by the present invention comprises following implementation step as shown in Figure 2:
If step 2. is determined the measurement project of being scheduled to, then utilize digital oscilloscope to implement measuring operation.
In each above-mentioned implementation step, critical step is a step 4.Below, in conjunction with Fig. 3 the specific implementation process of step 4 is launched specific description.
At first, press Measure (measurement) key of digital oscilloscope, upspring when key and (generally only to produce effect when menu is pressed, function is just arranged when only upspringing) time, Measure key corresponding key message is used for monitoring button specially to digital oscilloscope inside control treatment module such as single-chip microcomputer sent.When key was pressed, single-chip microcomputer can send interrupt request, and informed the key information of being resolved.This key information is corresponding with concrete function, such as pressing the cycle button, will measure the cycle of current demand signal exactly.State machine receives this press key message, is converted into feature message, and GUI (graphical user interface) unit (this GUI unit is arranged in control treatment module, and is not shown in the figures) in digital oscilloscope sends this feature message simultaneously.
Feature message is carried out concrete function on the one hand, offers on the one hand to carry out the GUI unit that draw at the interface.The GUI unit resolves to forms message (being exactly to need the interface what is drawn) with feature message, draws concrete interface according to the pairing function of the button that sends over.The GUI unit just can obtain to measure number when drawing, what measurement projects are promptly arranged.The corresponding relation at function and interface is kept in the static table.This static table is writing down the interface portion that each function need refresh, and need search for the necessary information in interface of drawing in the resolving in static table.
The GUI unit will in time carry out corresponding interface and refresh after having obtained feature message.For example when receiving the Measure feature message, judge whether statistical function is opened.If statistical function is not opened, measure an existence but have, then on the interface, only show currency as shown in Figure 4, and do not have little label.Be in open mode if at this moment get access to statistical function, then refresh the statistics forms, for example current function is the statistical function in cycle, and the part that then needs to refresh is respectively grid, statistics part and left menu part.After statistical function is opened, draw the little label that each measures item one by one.At first need to obtain to measure the title of item, after title was determined, the content of label was just definite, then need obtain to measure information source, and after the measurement information source was determined, the color relation of label substance had been determined.So far, small tenon is signed to draw and is finished, and obtains digital oscilloscope display interface as shown in Figure 5.
Above-mentioned label display control method is applied among as shown in Figure 1 the digital oscilloscope, just can makes digital oscilloscope also have the label Presentation Function.This label Presentation Function utilization is added the way of little label and is given prominence to the pairing measurement item of measurement data on the measurement item, and utilizes the shape of little label to indicate measurement item, color showing measurement information source.Like this, the user does not need to observe the waveform district, and the Direct observation measured zone just can clear view arrive the statistics of measuring.
More than digital oscilloscope and the control method thereof with label Presentation Function of the present invention had been described in detail.For one of ordinary skill in the art, any conspicuous change of under the prerequisite that does not deviate from connotation of the present invention it being done all will constitute to infringement of patent right of the present invention, with corresponding legal responsibilities.
Claims (6)
1. label display control method that is used for digital oscilloscope is characterized in that comprising following step:
(1) at first obtains measurement project and measurement information source, utilize digital oscilloscope to implement measuring operation then;
(2) described digital oscilloscope is drawn little label, the described measurement project of the shape characterization of wherein little label, the described measurement information source of characterization according to measurement project and measurement information source on display interface.
2. the label display control method that is used for digital oscilloscope as claimed in claim 1 is characterized in that:
Described step (2) specifically comprises following step:
(21) press predetermined key, control treatment module is sent interrupt request, and informs the key information of being resolved;
(22) state machine receives this press key message, is converted into feature message, and the graphic user interface unit in digital oscilloscope sends this feature message simultaneously;
(23) graphic user interface unit resolves to forms message with feature message, draws display interface according to the pairing function of predetermined key;
Is (24) the pairing digital oscilloscope function of graphic user interface unit arbitration functions message opened?
(25) if do not open then do not show little label, if opened then on display interface, draw the little label that each measures project one by one.
3. the label display control method that is used for digital oscilloscope as claimed in claim 2 is characterized in that:
In the described step (23), the corresponding relation at function and interface is kept in the static table, and described graphic user interface unit is searched for the necessary information in interface of drawing in described static table.
4. a digital oscilloscope comprises A/D modular converter, D/A modular converter, analog front-end module, trigger circuit, FPGA, load module, display module and control treatment module; Wherein said analog front-end module connects described A/D modular converter and described trigger circuit respectively, described A/D modular converter connects described FPGA, described FPGA is sent in the output of described trigger circuit, described FPGA connects described control treatment module, described control treatment module connects described D/A modular converter, and described D/A modular converter is to described trigger circuit output comparative level; It is characterized in that:
Described digital oscilloscope adopts following step to draw little label on display interface:
(1) at first obtains measurement project and measurement information source, utilize digital oscilloscope to implement measuring operation then;
(2) described digital oscilloscope is drawn little label, the described measurement project of the shape characterization of wherein little label, the described measurement information source of characterization according to measurement project and measurement information source on display interface.
5. digital oscilloscope as claimed in claim 4 is characterized in that:
Described step (2) specifically comprises following step:
(21) press predetermined key, control treatment module is sent interrupt request, and informs the key information of being resolved;
(22) state machine receives this press key message, is converted into feature message, and the graphic user interface unit in digital oscilloscope sends this feature message simultaneously;
(23) graphic user interface unit resolves to forms message with feature message, draws display interface according to the pairing function of predetermined key;
Is (24) the pairing digital oscilloscope function of graphic user interface unit arbitration functions message opened?
(25) if do not open then do not show little label, if opened then on display interface, draw the little label that each measures project one by one.
6. digital oscilloscope as claimed in claim 5 is characterized in that:
In the described step (23), the corresponding relation at function and interface is kept in the static table, and described graphic user interface unit is searched for the necessary information in interface of drawing in described static table.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185820A (en) * | 2011-12-29 | 2013-07-03 | 北京普源精电科技有限公司 | Oscilloscope with automatic cursor tracing function |
| CN103914226A (en) * | 2014-03-26 | 2014-07-09 | 深圳麦科信仪器有限公司 | Device and method for quick screen capture of touch oscilloscope |
| CN107092436A (en) * | 2017-03-07 | 2017-08-25 | 深圳市鼎阳科技有限公司 | Time set method, system under a kind of oscillograph and its automatic data collection pattern |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0631143A3 (en) * | 1993-06-28 | 1995-09-13 | Hitachi Electronics | Digital oscilloscope with flat panel colour display. |
| US20030006990A1 (en) * | 2001-05-31 | 2003-01-09 | Salant Lawrence Steven | Surface mapping and 3-D parametric analysis |
| US6791545B2 (en) * | 2001-12-11 | 2004-09-14 | Lecroy Corporation | Measurement icons for digital oscilloscopes |
| CN1696711A (en) * | 2005-06-24 | 2005-11-16 | 东南大学 | High performance digital fluorescence oscilloscope with mass storage |
| CN101131401B (en) * | 2006-08-22 | 2011-07-20 | 北京普源精电科技有限公司 | Digital oscillograph and its display method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185820A (en) * | 2011-12-29 | 2013-07-03 | 北京普源精电科技有限公司 | Oscilloscope with automatic cursor tracing function |
| CN103185820B (en) * | 2011-12-29 | 2016-08-10 | 北京普源精电科技有限公司 | A kind of oscillograph with automatic cursor tracking function |
| CN103914226A (en) * | 2014-03-26 | 2014-07-09 | 深圳麦科信仪器有限公司 | Device and method for quick screen capture of touch oscilloscope |
| CN107092436A (en) * | 2017-03-07 | 2017-08-25 | 深圳市鼎阳科技有限公司 | Time set method, system under a kind of oscillograph and its automatic data collection pattern |
| CN107092436B (en) * | 2017-03-07 | 2020-04-14 | 深圳市鼎阳科技股份有限公司 | Oscilloscope and timing setting method and system thereof in automatic acquisition mode |
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