CN103176018B - Digital oscilloscope display packing and digital oscilloscope - Google Patents
Digital oscilloscope display packing and digital oscilloscope Download PDFInfo
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- CN103176018B CN103176018B CN201310061267.7A CN201310061267A CN103176018B CN 103176018 B CN103176018 B CN 103176018B CN 201310061267 A CN201310061267 A CN 201310061267A CN 103176018 B CN103176018 B CN 103176018B
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Abstract
This application discloses a kind of digital oscilloscope display packing, including: show, in the first viewing area, the first waveform that active user selects；The second waveform of storage depth is represented in the second viewing area display；The ratio shared by described first waveform is shown in described second waveform.Disclosed herein as well is a kind of digital oscilloscope.In the detailed description of the invention of the application, due to the first waveform being included in active user's selection that the first viewing area shows and the second waveform representing storage depth shown in the second viewing area, and the ratio shared by first waveform can be directly displayed in the second waveform intuitively, relation between the waveform of current screen and the waveform of whole memory storage can be observed intuitively, the oscillograph magnitude relationship between video data and the waveform of whole storage depth when current under base, in screen can be checked easily.
Description
Technical field
The application relates to characteristics of signals tester, particularly relates to a kind of digital oscilloscope display packing and digital oscilloscope.
Background technology
Digital oscilloscope (DSO), is a kind of comprehensive characteristics of signals tester, can show the time dependent waveform of signal visually.Along with the development of digital oscilloscope, the people of use gets more and more.
The storage depth of every kind of digital oscilloscope is certain, storage depth be digital oscilloscope gather one frame signal maximum can gather count, but when the Wave data required for screen is as base, the change of sample rate and change.In prior art, when it is to be appreciated that the waveform of display occupies the ratio of whole oscillograph storage depth in current oscillograph screen, need to be converted by below equation:
Screen waveform counts=time base × grid lattice number/sample rate
Screen waveform length and the ratio of whole storage depth waveform length=screen waveform count/and whole storage depth waveform counts
The ratio calculated by the two formula, can only reflect that current screen waveform employs the percent how many of whole storage depth waveform, it is impossible to show that current screen waveform employs the relation between whole storage depth waveform intuitively.
Summary of the invention
The application to solve the technical problem that being for the deficiencies in the prior art, it is provided that a kind of digital oscilloscope display packing and digital oscilloscope.
According to the first aspect of the application, the application provides a kind of digital oscilloscope display packing, including:
The first waveform that active user selects is shown in the first viewing area；
The second waveform of storage depth is represented in the second viewing area display；
The ratio shared by described first waveform is shown in described second waveform.
In said method, described display represents that the second waveform of storage depth includes:
The rectangle of a length of L is drawn according to oscillographic storage depth；
The second waveform representing storage depth is drawn at described rectangle inside.
In said method, described in described second waveform, show that the ratio shared by described first waveform includes:
Waveform points N according to active user's selection, storage depth D, calculate described first waveform length L1=L in described rectangle × N/D；
The pattern selected according to active user, determines original position；
According to described original position, length L1 of described first waveform is shown in described rectangle.
In said method, the described pattern selected according to active user, determine that original position includes:
If what user selected is run pattern, the most described original position is Pos1=(L-L1)/2；
If what user selected is Stop pattern, the horizontal level that user selects is scaled Pos0, the most described original position is Pos2=(L-L1)/2-Pos0。
In said method, described in the waveform of described storage depth, show that the ratio shared by the waveform that described active user selects is waveform by active user being selected and the waveform different colours mark of storage depth shows that its ratio realizes.
Second aspect according to the application, the application provides a kind of digital oscilloscope, including display module, described display module includes the first viewing area for showing first waveform that active user selects, also include processing module, described display module also includes the second viewing area for showing the second waveform representing storage depth, described processing module is for calculating the ratio that described second waveform is shared in described first waveform, and described second viewing area is additionally operable to show the ratio shared by described first waveform in described second waveform.
Above-mentioned digital oscilloscope, described processing module is additionally operable to draw in described second viewing area the rectangle of a length of L according to oscillographic storage depth, and described rectangle inside draw represent storage depth described second waveform, described second waveform is any one in sine wave, square wave, triangular wave or straight line.
Above-mentioned digital oscilloscope, described processing module is additionally operable to the waveform points N according to active user's selection, storage depth D, calculates described first waveform length L1=L in described rectangle × N/D；The pattern selected according to active user, determines original position；Described second display module is additionally operable to length L1 of described first waveform be shown in described rectangle according to described original position.
Above-mentioned digital oscilloscope, described processing module is additionally operable to, when user selects run pattern, calculate described original position Pos1=(L-L1)/2；When user selects Stop pattern, the horizontal level that user selects is scaled Pos0, then described original position Pos is calculated2=(L-L1)/2-Pos0。
Above-mentioned digital oscilloscope, described second viewing area is additionally operable to the waveform different colours mark of waveform and storage depth active user selected and shows its ratio.
Owing to have employed above technical scheme, make what the application possessed to have the beneficial effects that:
In the detailed description of the invention of the application, due to the first waveform being included in active user's selection that the first viewing area shows and the second waveform representing storage depth shown in the second viewing area, and the ratio shared by first waveform can be directly displayed in the second waveform intuitively, relation between the waveform of current screen and the waveform of whole memory storage can be observed intuitively, the oscillograph magnitude relationship between video data and the waveform of whole storage depth when current under base, in screen can be checked easily.
Accompanying drawing explanation
Fig. 1 is the structural representation of the digital oscilloscope of the application；
Fig. 2 is the schematic diagram of a kind of detailed description of the invention of the digital oscilloscope of the application；
Fig. 3 is the digital oscilloscope display packing flow chart in one embodiment of the application；
Fig. 4 is the digital oscilloscope display packing flow chart in another embodiment of the application.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the application is described in further detail.
Embodiment one:
As shown in Figure 1 and Figure 2, the digital oscilloscope of the application, its a kind of embodiment, including display module and processing module.Display module includes the first viewing area and the second viewing area, and the first viewing area is for showing the first waveform that active user selects, and the observed waveform that i.e. user selects, the second viewing area represents the second waveform of storage depth for showing.Processing module is for calculating the ratio that the second waveform is shared in first waveform, and the second viewing area is additionally operable to show the ratio shared by first waveform in the second waveform.First viewing area and the second viewing area can be arranged in same display screen, it is also possible to be separately positioned in two display screens.
Processing module can be additionally used in the rectangle drawing a length of L according to oscillographic storage depth in the second viewing area, and draw the second waveform representing storage depth at rectangle inside.Second waveform can be multiple waveforms, and such as any one in sine wave, square wave, triangular wave or straight line, the second waveform can also is that other kinds of waveform.
Processing module can be additionally used in the waveform points N according to active user's selection, storage depth D, calculates first waveform length L1=L × N/D in rectangle；The pattern selected according to active user, determines original position；Second display module is additionally operable to length L1 of first waveform be shown in rectangle according to original position.Original position can have multiple method to set up, as the leftmost side of rectangle or the rightmost side being set to original position, it is also possible to the center of rectangle is set to the center of first waveform, to the left and right both sides extension.
When first waveform extends to two left and right sides from the center of rectangle, processing module is additionally operable to, when user selects run pattern, determine original position Pos1=(L-L1)/2；When user selects Stop pattern, the horizontal level that user selects is scaled Pos0, then original position Pos is determined2=(L-L1)/2-Pos0。
Second viewing area is additionally operable to the waveform different colours mark of waveform and storage depth active user selected and shows its ratio.
Embodiment two:
As it is shown on figure 3, the digital oscilloscope display packing of the application, its a kind of embodiment, comprise the following steps:
Step 302: show the first waveform that active user selects in the first viewing area.
Step 304: represent the second waveform of storage depth in the second viewing area display.
Step 306: show the ratio shared by described first waveform in described second waveform.
As shown in Figure 4, the digital oscilloscope display packing of the application, its another embodiment, comprise the following steps:
Step 402: show the first waveform that active user selects in the first viewing area.
Step 404: according to oscillographic storage depth, draw the rectangle of a length of L in the second viewing area.
Step 406: draw the second waveform representing storage depth at rectangle inside.Second waveform can be multiple waveforms, and such as any one in sine wave, square wave, triangular wave or straight line, the second waveform can also is that other kinds of waveform.
Step 408: according to waveform points N, the storage depth D of active user's selection, calculate first waveform length in rectangle, first waveform length L1=L × N/D in rectangle.
Step 410: the pattern selected according to active user, determines original position.Original position can have multiple method to set up, as the leftmost side of rectangle or the rightmost side being set to original position, it is also possible to the center of rectangle is set to the center of first waveform, to the left and right both sides extension.
Step 412: length L1 of first waveform is shown in rectangle according to original position.
When first waveform extends to two left and right sides from the center of rectangle, if user's selection is RUN pattern, then original position is Pos1=(L-L1)/2；If what user selected is STOP pattern, the horizontal level that user selects is scaled Pos0, then original position is Pos2=(L-L1)/2-Pos0.In the present embodiment, can demonstrate current screen waveform begins to use the waveform of whole storage depth from which position.
Step 414: show the ratio shared by the waveform that active user selects in the waveform of storage depth.In the waveform of storage depth, show the ratio shared by the first waveform that active user selects, can be shown, to show its ratio by the second waveform different colours mark of first waveform that active user is selected with storage depth.As the second waveform can be set to a kind of color, part overlapping to first waveform and the second waveform is set to another kind of color, or overlapping to first waveform and the second waveform is partially filled with coloring grounding, the ratio shared in storage depth to show the second waveform intuitively.
nullIn a kind of detailed description of the invention of the application，Assume in the digital oscilloscope of a certain model，The maximum storage degree of depth of this model is 20K，The lcd screen size of this model is that (320 is width to 320 × 240pixel，240 is height)，The employing upper left corner is zero，The waveform display area of this model is that 300 × 200 (300 is width，200 is height)，The top left co-ordinate of waveform display area is (10，20)，Grid in wave regions is 12 × 8, and (12 is transverse grid number，8 is longitudinal grid number)，It is assumed that under the oscillograph of this model，1us time base under，Have the sample rate of 500M，I.e. 2ns gathers a sampled point，What so current first waveform showed counts as 1us × 12 lattice/2ns=6K.The most currently displaying waveform with the proportionate relationship of whole storage depth is:
Rate=6K/20K；
In current digital oscilloscope, it is assumed that we are placed on the second rectangle on (60,5) coordinate, wide by 200, high by 10.So corresponding storage depth 20K of length 200, then we draw waveform length L=200 × 6K/20K=60 pixel corresponding for 6K in the rectangle of 200.
If being currently run state, then we draw the waveform of current 6K proportion with 60 middle pixels, the i.e. starting point of this waveform is (200 60)/2=70, i.e. start to draw the corresponding waveform of 6K, a length of 60 pixels relative to on the x coordinate of 70 after the original point of the second rectangle for starting point.
If being currently STOP, user's level has moved to right 1us, then the pixel of 1us skew is:
The waveform sampling of 1us length is counted=1us/2ns=500 sampled point
A length of=500*200/20K=5 point that 1us is offset.
Starting point under then the starting point of stop is run dress motion adds 5, be i.e. 75 coordinate on for starting point, relative to the second rectangle.Move to left in like manner under Stop.
According to coordinate obtained as above, we just can draw the proportionate relationship of corresponding 6K waveform in the second rectangle.
Above content is to combine the further description that the application is made by specific embodiment, it is impossible to assert the application be embodied as be confined to these explanations.For the application person of an ordinary skill in the technical field, on the premise of conceiving without departing from the application, it is also possible to make some simple deduction or replace.
Claims (10)
1. a digital oscilloscope display packing, it is characterised in that including:
The first waveform that active user selects is shown in the first viewing area；
The second waveform of storage depth is represented in the second viewing area display；
The ratio shared by described first waveform is shown in described second waveform.
2. digital oscilloscope display packing as claimed in claim 1, it is characterised in that described display represents that the second waveform of storage depth includes:
The rectangle of a length of L is drawn according to oscillographic storage depth；
The second waveform representing storage depth is drawn at described rectangle inside.
3. digital oscilloscope display packing as claimed in claim 2, it is characterised in that described show that the ratio shared by described first waveform includes in described second waveform:
Waveform points N according to active user's selection, storage depth D, calculate described first waveform length L1=L in described rectangle × N/D；
The pattern selected according to active user, determines original position；
According to described original position, length L1 of described first waveform is shown in described rectangle.
4. digital oscilloscope display packing as claimed in claim 3, it is characterised in that the described pattern selected according to active user, determines that original position includes:
If what user selected is run pattern, the most described original position is Pos1=(L-L1)/2；
If what user selected is Stop pattern, the horizontal level that user selects is scaled Pos0, the most described original position is Pos2=(L-L1)/2-Pos0。
5. the digital oscilloscope display packing as according to any one of Claims 1-4, it is characterized in that, described in the waveform of described storage depth, show that the ratio shared by the waveform that described active user selects is waveform by active user being selected and the waveform different colours mark of storage depth shows that its ratio realizes.
6. a digital oscilloscope, including display module, described display module includes the first viewing area for showing first waveform that active user selects, it is characterized in that, also include processing module, described display module also includes the second viewing area for showing the second waveform representing storage depth, and described processing module is for calculating the ratio that described second waveform is shared in described first waveform, and described second viewing area is additionally operable to show the ratio shared by described first waveform in described second waveform.
7. digital oscilloscope as claimed in claim 6, it is characterized in that, described processing module is additionally operable to draw in described second viewing area the rectangle of a length of L according to oscillographic storage depth, and described rectangle inside draw represent storage depth described second waveform, described second waveform is any one in sine wave, square wave, triangular wave or straight line.
8. digital oscilloscope as claimed in claim 7, it is characterised in that described processing module is additionally operable to the waveform points N according to active user's selection, storage depth D, calculates described first waveform length L1=L in described rectangle × N/D；The pattern selected according to active user, determines original position；Described second display module is additionally operable to length L1 of described first waveform be shown in described rectangle according to described original position.
9. digital oscilloscope as claimed in claim 8, it is characterised in that described processing module is additionally operable to, when user selects run pattern, calculate described original position Pos1=(L-L1)/2；When user selects Stop pattern, the horizontal level that user selects is scaled Pos0, then described original position Pos is calculated2=(L-L1)/2-Pos0。
10. the digital oscilloscope as according to any one of claim 6 to 9, it is characterised in that described second viewing area is additionally operable to the waveform different colours mark of waveform and storage depth active user selected and shows its ratio.
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| TWI642955B (en) * | 2018-04-20 | 2018-12-01 | 艾訊股份有限公司 | Electronic device for generating waveform file and method thereof |
| CN109470903A (en) * | 2018-10-31 | 2019-03-15 | 福建利利普光电科技有限公司 | A kind of each channel twin voltage gear oscillograph and its display methods |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459636A (en) * | 2002-05-22 | 2003-12-03 | 特克特朗尼克公司 | Double time base device for oscillograph |
| CN101324640A (en) * | 2008-05-05 | 2008-12-17 | 电子科技大学 | Double-time base digital storage oscillograph |
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| JP3053261B2 (en) * | 1991-07-02 | 2000-06-19 | 日置電機株式会社 | Method of displaying enlarged waveform on display screen in waveform measuring device |
| JPH0599965A (en) * | 1991-10-14 | 1993-04-23 | Nec Corp | Pulse wave shape measuring system |
| JP3319076B2 (en) * | 1993-09-29 | 2002-08-26 | ソニー株式会社 | Waveform judgment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459636A (en) * | 2002-05-22 | 2003-12-03 | 特克特朗尼克公司 | Double time base device for oscillograph |
| CN101324640A (en) * | 2008-05-05 | 2008-12-17 | 电子科技大学 | Double-time base digital storage oscillograph |
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Address after: 518000 Guangdong Province, Baoan District, Baoan District, Xin'an Street, Xingdong Community, 68 District, Antongda Industrial Factory Area, 4 factories, 3 floors, 5 office buildings, 1-3 floors Patentee after: Shenzhen dingyang Technology Co., Ltd Address before: Shenzhen City, Guangdong province Baoan District 518000 District 68 road left three Antongda Industrial Park, 4 floor Patentee before: Shenzhen Siglent Technologies Co., Ltd. |
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