CN104142415B - The oscillograph of displaying picture - Google Patents
The oscillograph of displaying picture Download PDFInfo
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- CN104142415B CN104142415B CN201310166808.2A CN201310166808A CN104142415B CN 104142415 B CN104142415 B CN 104142415B CN 201310166808 A CN201310166808 A CN 201310166808A CN 104142415 B CN104142415 B CN 104142415B
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Abstract
The present invention is the oscillograph about a kind of displaying picture, it includes a data acquisition unit, one graphics processing unit, one CPU and a touch-display unit, wherein this data acquisition unit is to input for external signal, and input signal is processed as set of number Wave data, this graphics processing unit is to be connected with this CPU and this data acquisition unit, and there is a waveform processing unit, waveform processing unit by this central processing unit controls enable one first coordinate waveform processing module and one second coordinate waveform processing module one of them, after processing the waveform display interface that digital waveform data is corresponding first or second coordinate, show with this touch-display unit again；So, when waveform display interface switches coordinate again and rotates, first and second coordinate waveform processing module can be switched by hardware circuit and reach, be not required to the Coordinate Conversion computing by software, promote turnover rate.
Description
Technical field
The present invention is about a kind of portable measuring instrument, a kind of portable digital having display picture spinfunction
Oscillograph.
Background technology
Oscillograph is a kind of instrument for measuring electronic signal waveform, and it is commonly used for detection, research electronic signal
And the characteristic curve etc. of electronic component.
Main circuit within existing oscillograph will as shown in Figure 10, and it comprises:
One data acquisition unit 70, it has one group of signal input port 71 and inputs for external signal, and carries out signal
Amplify, sample and obtain set of number Wave data after Analog-digital Converter and export；
One graphics processing unit 80, is connected with this data acquisition unit 70, and after receiving digital waveform data, by numeral
Wave data processing is a waveform display picture output；
One CPU 90, is connected with this data acquisition unit 70, amplifies with setting data collecting unit 70 signal
The parameters such as multiplying power sampling frequency；
One display unit 100, it is connected with this graphics processing unit 80, and receives and show that graphics processing unit 80 exports
Waveform display picture.
Traditional oscillograph mostly is desktop, the most portable, and visits the gift of the volume-diminished of electronic component, existing a kind of body
Long-pending portable oscillograph less, more portative, but its mode of operation is still mechanical key, cumbersome and display picture in operation
Face is less, and due to the trend that portable electronic devices has gradually improvement to be touch control operation in recent years, oscillographic manufacturer also has
Anticipate and the improvement of portable oscillograph is increased a touch control operation interface, but be the most therefore encountered by the technical bottleneck that display picture rotates.
One of almost indispensable function of existing portable electronic devices, its person of being easy to use is rotated to be owing to supporting picture
Can with yaw to see or be erected and see, but existing handheld apparatus is typically order output data to be shown and directly enters with software
Row-coordinate translation operation, by picture originally from the first Coordinate Conversion (such as lateral coordinates) be the second coordinate (directly to coordinate) it
After, then export and show to display unit, the drafting carrying out waveform according to software mode according to existing above-mentioned oscillograph turns with coordinate
Change, then waveform must being shown, picture exports after coordinate computation (such as matrix operations) again, be usually to be built into centre
Software program in reason unit 90 performs, and process waveform display picture required time so will be significantly increased, to cause waveform
The turnover rate (Refresh Rate) of display picture is greatly reduced, and turnover rate reduces for handheld apparatus such as general intelligence mobile phones
Use on may have little to no effect, but for oscillograph, once turnover rate reduces, then when it measures high-frequency signal,
Some the accidental surge signal in high-frequency signal will be made not to be shown, and turnover rate is the lowest, accidental surge signal not by
The probability of display is the highest, and therefore, turnover rate is too low will be unfavorable for the waveform of user observation signal.To this end, it is existing portable
Oscillograph there is no method and has rotational display direction concurrently and be provided simultaneously with the purpose of Gao Gengxin rate, but employing touch control operation interface is
Trend, it is necessary to actively seek the solution of correlation technique.
Summary of the invention
Because the technology that above-mentioned oscillograph reduces turnover rate because using Coordinate Conversion to rotate waveform display picture lacks
Falling into, the main object of the present invention is to propose one to overcome this technological deficiency, and really realizes showing of a rotatingly displaying picture
Ripple device.
The technical way that above-mentioned purpose to be reached is used is that the oscillograph making this displaying picture includes:
One data acquisition unit, it has a signal input part confession external signal input, and input signal is processed as
Export after one group of digital waveform data comprising multiple sampled point；
One graphics processing unit, is connected with this data acquisition unit, and has a waveform processing unit, this waveform processing list
Unit includes one first coordinate waveform processing module and one second coordinate waveform processing module, and defeated in receiving data acquisition unit
After the digital waveform data gone out, with this first coordinate waveform processing module and the second coordinate waveform processing module one of which by number
Character waveform data are processed as a waveform of respective coordinates and show output after interface；
One CPU, is connected with this data acquisition unit and this graphics processing unit, and enables this first coordinate
Waveform processing module and the second coordinate waveform processing module one of them, to process the digital wave figurate number that graphics processing unit receives
According to；
One touch-display unit, it is connected with this graphics processing unit and this CPU, receives and shows drawing
The waveform display interface of processing unit output, and after reception touch control gesture, this CPU is given in output function instruction.
The invention described above is to enable one of them of first and second coordinate waveform processing module with CPU, with
Process digital waveform data, and the first coordinate waveform processing module and the second coordinate waveform processing module process respectively by digital wave
Graphic data is processed into the waveform display picture of corresponding two kinds of different coordinates, sits by first or second when CPU enables
During mark waveform processing resume module digital waveform data, the coordinate of touch-display unit display waveform display interface can be made to change
Become, reach the effect of rotatingly displaying picture, and owing to first and second coordinate waveform processing module is all directly by digital waveform
Data are processed into the waveform display interface of respective coordinates, are not required to through Coordinate Conversion, do not increase and increased through Coordinate Conversion computing
Adding the process time, therefore do not have the technological deficiency being forced to reduce the turnover rate of waveform picture, therefore, oscillograph of the present invention need not be because of
Add the function of rotatingly displaying picture and reduce the turnover rate (refresh rate) of waveform display interface, and it is good to have offer concurrently
High-frequency signal measuring function.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, not
Constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the circuit block diagram of the present invention.
Fig. 2 is that Fig. 1 operates the first coordinate operation interface diagram stored in interface memory.
Fig. 3 is the first coordinate waveform picture schematic diagram that Fig. 1 the first coordinate waveform processing resume module goes out.
Fig. 4 is the partial enlarged drawing of Fig. 3.
Fig. 5 is the first coordinate waveform picture the whole schematic diagram of display after the first coordinate operates interface.
Fig. 6 is that Fig. 1 operates the second coordinate operation interface diagram stored in interface memory.
Fig. 7 is the second coordinate waveform picture schematic diagram that Fig. 1 the second coordinate waveform processing resume module goes out.
Fig. 8 is the partial enlarged drawing of Fig. 7.
Fig. 9 is the second coordinate waveform picture the whole schematic diagram of display after the second coordinate operates interface.
Figure 10 is existing oscillographic circuit block diagram.
Detailed description of the invention
Hereinafter coordinate graphic and presently preferred embodiments of the present invention, the present invention is expanded on further for reaching predetermined goal of the invention institute
The technological means taked.
Referring to Fig. 1, the oscillograph of displaying picture of the present invention includes:
One data acquisition unit 10, it has a signal input port 11 and inputs for external signal, and by input signal
Reason is output after one group of digital waveform data comprising multiple sampled point；
One graphics processing unit 20, is connected with this data acquisition unit 10, and in receiving data acquisition unit 10 output
After digital waveform data, with one first coordinate waveform processing module 211 and one second coordinate waveform processing module 212 by digital wave
Graphic data is processed as the waveform of corresponding first coordinate or the second coordinate and shows output after interface, and its detailed content please be detailed later；
One CPU 30, is connected with this data acquisition unit 10 and this graphics processing unit 20, and enable this
One coordinate waveform processing module 211 and the second coordinate waveform processing module 212 one of them, connect processing graphics processing unit 20
The digital waveform data received；
One touch-display unit 40, it is connected with this graphics processing unit 20 and this CPU 30, receives and show
Show the waveform display interface that graphics processing unit 20 exports, and after reception touch control gesture, output function instruction is given these central authorities and processed
Unit 30.
Above-mentioned graphics processing unit 20 can be integrated in a single-chip with above-mentioned CPU 30, and this drawing processes
Unit 20 includes:
One waveform processing unit 21, it is connected with this data acquisition unit 10 and this CPU 30, and includes
One first coordinate waveform processing module 211 and one second coordinate waveform processing module 212, and enabled by this CPU 30
First and second coordinate waveform processing module 211,212 one of which receives this group digital waveform of data acquisition unit 10 output
Data, in the present embodiment, the second coordinate is the coordinate formed after the first coordinate 90-degree rotation counterclockwise, can be maybe the first coordinate
The coordinate that dextrorotation is formed after turning 90 degrees；
One storage element 22, it is connected with this waveform processing unit 21, and includes access controller 221, operation
Interface memory 222 and a digital waveform memorizer 223, wherein, this access controller 221 and this operation interface memory 222
And this digital waveform memorizer 223 connects, and this operation interface memory 222 stores first coordinate as shown in Figure 2
Operation interface 51 and a second coordinate operation interface 52 as shown in Figure 6, this first and second coordinate operation interface 51,52 respectively wraps
Containing a waveform viewing area, operating space 511,521 and one 512,522, this digital waveform memorizer 223 includes a waveform picture
Working area 224 and an output picture working area 225；
One output control unit 23, it is connected with the access controller 221 in this storage element 22, and includes a figure layer
Superpositing unit 231 and a display time schedule controller 232, this display time schedule controller 232 is connected with this touch-display unit 40 again.
Above-mentioned waveform processing unit 21, storage element 22 and output control unit 23 can on-the-spot Progranunable Array Logics
(FPGA) it is equipped with DDR memory or ASIC (ASIC) realizes.
When above-mentioned CPU 30 enables and is processed digital waveform data by the first coordinate waveform processing module 211,
The digital waveform data that data acquisition unit 10 exports is received by this first coordinate waveform processing module 211, and by digital waveform
Each sampled point of data is shown on the first coordinate (X-Y coordinate in figure), and writes this number by access controller 221 pointwise
In the waveform picture working area 224 of character waveform memorizer 223, and it is processed as one first coordinate waveform picture 61 as shown in Figure 3,
And the size of its first coordinate waveform picture 61 mates in Fig. 2 the size of waveform viewing area 512 of the first coordinate operation interface 51
(L × M)；Each sampled point pointwise of digital waveform data is write this digital waveform and deposits by this first coordinate waveform processing module 211
During reservoir 223, it is fixing owing to each memorizer storing the seriality of address, therefore, the first coordinate waveform processing mould
Block 211 must pointwise writes according to the first coordinate and the relation of digital waveform memorizer 223 address, such as shown in Fig. 4, and number
The continuous direction of memorizer of character waveform memorizer 223 is from left to right, i.e. d(m, n)、d(m+1, n)、d(m+2, n), change again after the rightest
A line, therefore, for this first coordinate waveform processing module 211, writes address d(m+10, n)After, the first coordinate waveform processing
Module 211 subsequent point can jump to d automatically(m+10, n+1), and then reach the first coordinate waveform picture 61 pointwise write waveform picture
The purpose in working area 224；Also, this first coordinate waveform processing module 211 can be further in by each sampling of digital waveform data
When point pointwise writes this digital waveform memorizer 223, using vector link process, the i.e. first coordinate waveform processing module 211 will
When digital waveform data is shown in the first coordinate, will as shown in figs. 3 and 4, by each sampled point Pn-1～Pn+1 and previous sampled point
Line, as a example by Pn+1, the first coordinate waveform processing module 211, will be in waveform picture working area when writing the Pn+1 point of Fig. 3
The d of 224(m+9, n+4)To d(m+9, n+9)Address write same pixel, therefore the first coordinate waveform processing module 211 is by digital waveform
When each sampled point pointwise of data writes digital waveform memorizer 223, even if two continuous print sampled points correspond to the first coordinate
In discontinuous address (such as Pn-1～Pn+1), then its pointwise still can be write as and is linked to be one by the first coordinate waveform processing module 211
First coordinate waveform picture 61 of line, to complete such as continuous print the first coordinate waveform picture 61 in Fig. 3, and by this first coordinate ripple
This storage element 22 is given in shape picture 61 output, now, then by the map overlay unit 231 in output control unit 23 by access
Controller 221, according to memory location seriality, the first coordinate operation interface in pointwise read operation interface memory 222
51 and waveform picture working area 224 in the first coordinate waveform picture 61, and by the first coordinate waveform picture 61 and whole to first sit
In the waveform viewing area 512 of mark operation interface 51, show interface using the waveform as corresponding first coordinate, and pass through access control
The waveform of this first coordinate is shown that interface is stored in output picture working area 225, finally by this output control unit 23 by device 221
Display time schedule controller 232 read by access controller 221 output picture working area 225 stores corresponding as shown in Figure 5
The waveform display interface (comprising the first coordinate operation interface 51 and the first coordinate waveform picture 61) of the first coordinate, and by when showing
(scanning direction that arrow represents dashed lines) is read in sequence controller 232 pointwise and pointwise output is given touch-display unit 40 and shown
Show.
In like manner, when CPU 30 enables and is processed digital waveform data by the second coordinate waveform processing module 212,
The digital waveform data that data acquisition unit 10 exports is received by this second coordinate waveform processing module 212, and by digital waveform
Each sampled point of data is shown on the second coordinate (the X '-Y ' coordinate in figure), and by access controller 221 by the second coordinate
In the waveform picture working area 224 of waveform picture pointwise write digital waveform memorizer 223, and it is processed as shown in Figure 7
Second coordinate waveform picture 62, and the size of this second coordinate waveform picture 62 mates in Fig. 6 the second coordinate operation interface 52
The size (J × K) of waveform viewing area 522；Except for the difference that, this second coordinate waveform processing module 212 is by the second coordinate waveform
When picture pointwise writes the waveform picture working area 224 of digital waveform memorizer 223, as shown in Figure 8, if with identical with front Fig. 4
As a example by the continuous direction of memorizer (device has turned 90 degree clockwise), then the second coordinate waveform processing module 212 writes address
d(m, n+6)Pixel after, will then write d(m+1, n+6)Pixel, according to this order, with by second coordinate waveform picture 62 pointwise write
In waveform picture working area 224；Also, this second coordinate waveform processing module 212 also can use and vow further when pointwise writes
Amount link process, make each sampled point Pn-1～Pn+1 and previous sampled point line (Pn+1 is connected to Pn, Pn and is connected to Pn-1, with
This analogizes, and first sampled point is not connected to), to complete such as continuous print the second coordinate waveform picture 62 in Fig. 7, by the second coordinate ripple
Shape picture 62 is stored in the waveform picture working area 224 of this digital waveform memorizer 223, hereafter, then by output control unit
In 23, map overlay unit 231 stores according to waveform picture working area 224 memory location seriality, pointwise read operation interface
The second coordinate in device 222 operates the second coordinate waveform picture 62 in interface 52 and waveform picture working area 224, and sits second
Mark waveform picture 62 is the most whole to the waveform viewing area 522 of the second coordinate operation interface 52, using as shown in Figure 9 corresponding second
The waveform display interface of coordinate, then be stored in output picture working area 225 by access controller 221, finally controlled by this output
The display time schedule controller 232 of unit 23 processed is read in output picture working area 225 by access controller 221 pointwise and stores such as
The waveform display interface of corresponding second coordinate shown in Fig. 9 (comprises the second coordinate operation interface 52 and the second coordinate waveform picture
62), and by display time schedule controller 232 pointwise read (scanning direction represented such as dotted arrow in Fig. 9) and touch-control is given in output
Display unit 40 shows, reaches the effect that rotatingly displaying picture is corresponding second coordinate, and shows what time schedule controller 232 read
Order can be corresponding identical with order Fig. 5 Suo Shi, is not required to change time schedule controller 232 reading manner.
Above-mentioned by first and second coordinate waveform picture 61,62 and whole in first and second coordinate operate interface 51,52 waveform show
Show in district 522, set the pixel of first and second coordinate operation interface 51,52 respective operations district 511,521 coordinate position as non-
Transparent pixels, and set the pixel of first and second coordinate operation interface 51,52 corresponding waveform viewing area 512,522 coordinate position
For transparent pixels, and this map overlay unit 231 reads the pixel of first and second coordinate operation each coordinate of interface 51,52, in
When reading nontransparent pixel, then it is stored directly in output picture working area 225, in time reading transparent pixels, then reads
Take the pixel of respective coordinates position in corresponding first and second coordinate waveform picture 61,62 and be stored in output picture working area 225
In, with that complete picture and whole.
The present invention allows user conveniently observe and convenient operation for taking into account again, therefore makes first and second coordinate operate interface
51,52 can varying in size because of operating space 511,521 and waveform viewing area 512,522, the wherein first coordinate operation interface 51
Waveform viewing area 512 gross area connects more than the gross area of the second coordinate operation interface 52 waveform viewing area 522, the second coordinate operation
Operating space 521 gross area of mouth 52 is then more than the gross area of the first coordinate operation interface 51 operating space 511；User uses first
During coordinate, will there is bigger waveform viewing area 512, it is easy to observe waveform details, when user uses the second coordinate, then have bigger
Operating space 521, more or bigger function image 53 can be accommodated and click for user, operate more convenient, it is possible to be used for showing
Show that more wave survey numerical value (such as frequency, amplitude etc.) is without hiding to waveform, it is simple to user observe simultaneously waveform and
Its corresponding measurement numerical value, thereby, can make the user can be according to using coordinate corresponding to demand image switching, in order to observe
Or operation.
Also, the operating space 511,521 of first and second coordinate above-mentioned operation interface 51,52 has one in order to switch first
And second function image 531 of coordinate waveform processing module, after clicking for user, make CPU 30 switch first
And one second coordinate waveform processing module 211,212.
Above-mentioned oscillograph is when carrying out picture and rotating, and user only need to be put and touch first and second coordinate waveform processing mould of switching
The function image 531 of block, is just switched the first coordinate waveform processing module 211 and the second coordinate waveform by CPU 30
Reason module 212 carries out the process of digital waveform data, forms as above-mentioned, no matter is the first or second coordinate waveform processing module
211,212, the most only need to be responsible for the process (comprising process picture and pointwise write waveform picture working area 224) of a coordinate, no
Need to carry out the computing of Coordinate Conversion, the output control unit 23 of its rear end is also not necessary to change read direction because picture rotates
Or increase the processes such as coordinate process, therefore the time delay that Coordinate Conversion causes can be reduced, and the present invention can be directly with digital circuit
Realizing, compared to software processes person, the present invention shortens the time needed for waveform processing, furthermore, above-mentioned waveform display interface divides
When the most corresponding first coordinate and the second coordinate, it will have different size of operating space 511,521 and waveform viewing area 512,
522, corresponding second coordinate, convenient operation can be changed into when operation, in time checking waveform, change into the first coordinate, check in detail.
In sum, the present invention can not only avoid Coordinate Conversion computing to cause the reduction of turnover rate, is also available for users to depend on
Use demand selects to change into the first coordinate conveniently checked or the second coordinate of convenient operation, takes into account and checks waveform and convenient operation
Demand.
The above is only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, and any those skilled in the art, not
Depart from the range of technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to equivalent
Change Equivalent embodiments, as long as being the content without departing from technical solution of the present invention, according to the present invention technical spirit to more than
Any simple modification, equivalent variations and the modification that embodiment is made, all still falls within the range of technical solution of the present invention.
Claims (12)
1. the oscillograph of a displaying picture, it is characterised in that include:
One data acquisition unit, it has a signal input part confession external signal input, and input signal is processed as one group
Export after comprising the digital waveform data of multiple sampled point；
One graphics processing unit, is connected with described data acquisition unit, and has a waveform processing unit, described waveform processing list
Unit includes one first coordinate waveform processing module and one second coordinate waveform processing module, and defeated in receiving data acquisition unit
After the digital waveform data gone out, will with described first coordinate waveform processing module and the second coordinate waveform processing module one of which
Digital waveform data is processed as a waveform of respective coordinates and shows output after interface, wherein, described first coordinate waveform processing mould
Digital waveform data is processed as the first coordinate waveform picture by block, and described second coordinate waveform processing module is by digital waveform data
It is processed as the second coordinate waveform picture；
One CPU, is connected with described data acquisition unit and described graphics processing unit, and enables described first seat
Mark waveform processing module and the second coordinate waveform processing module one of them, with process graphics processing unit receive digital waveform
Data；
One touch-display unit, it is connected with described graphics processing unit and described CPU, receives and shows drawing
The waveform display interface of processing unit output, and after reception touch control gesture, described CPU is given in output function instruction；
One storage element, it is connected with described waveform processing unit, to store first and second coordinate waveform picture；
One output control unit, it is connected with described storage element, and includes a map overlay unit and a display sequential control
Device processed, described display time schedule controller is connected with described touch-display unit again, and described map overlay unit is by the first coordinate ripple
Shape picture is processed as the waveform display interface of corresponding first coordinate, and the second coordinate waveform picture is processed as corresponding second coordinate
Waveform display interface, and transfer to storage element to store, and given touch-display unit by display time schedule controller reading output.
The oscillograph of displaying picture the most according to claim 1, it is characterised in that at described first coordinate waveform
During reason resume module digital waveform data, each sampled point of digital waveform data is shown in and on the first coordinate, is processed as first
Coordinate waveform picture, and further each sampled point is connected with previous sampled point and constitutes row graph, and by this first coordinate
Waveform picture output is given described storage element and is stored；
During described second coordinate waveform processing resume module digital waveform data, each sampled point of digital waveform data is shown in
It is processed as the second coordinate waveform picture on second coordinate, and further each sampled point is connected with previous sampled point and constitutes even
Continuous figure, and the storage of described storage element is given in the output of this second coordinate waveform picture.
The oscillograph of displaying picture the most according to claim 1, it is characterised in that described storage element comprises
Have:
One access controller, when it is with described waveform processing unit, the map overlay unit of described output control unit and display
Sequence controller connects；
One operation interface memory, it is connected with described access controller, and stores one first coordinate and operate interface and one the
Two coordinate operation interfaces, first and second coordinate described operation interface respectively includes an operating space and a waveform viewing area；And
One digital waveform memorizer, it is connected with described access controller, and includes a waveform picture working area and an output
Picture working area, described waveform picture working area stores first and second coordinate waveform picture；
Described map overlay unit in the first coordinate waveform picture is processed as corresponding first coordinate waveform show interface time, by
Point read the first coordinate waveform picture and the first coordinate operation interface, and by the first coordinate waveform picture and whole in first coordinate grasp
Make in the waveform viewing area of interface, show interface using the waveform as corresponding first coordinate；At by the second coordinate waveform picture
During the waveform display interface that reason is corresponding second coordinate, pointwise is read the second coordinate waveform picture and the operation of the second coordinate connects
Mouthful, and by the second coordinate waveform picture the whole waveform viewing area operating interface to the second coordinate, to sit as corresponding second
Target waveform display interface, and the waveform handled well display picture is stored in digital waveform storage by described access controller
In the output picture working area of device, read by access controller pointwise display time schedule controller, and output is given touch-control and shown
Unit.
The oscillograph of displaying picture the most according to claim 3, it is characterised in that described operation interface memory
Set the pixel of first and second coordinate operation interface respective operations district coordinate position as nontransparent pixel, and set first and the
The pixel of two coordinates operation interface correspondence waveform viewing area coordinate positions is transparent pixels, and described map overlay unit reads the
One and second coordinate operation each coordinate of interface pixel, in time reading nontransparent pixel, be then stored directly in output picture
In working area, in time reading transparent pixels, then read the pixel of respective coordinates position in corresponding first and second coordinate waveform picture
And be stored in output picture working area.
The oscillograph of displaying picture the most according to claim 3, it is characterised in that first and second coordinate described
The size of waveform picture mates the size of waveform viewing area in first and second coordinate operation interface, and described first coordinate operation
The waveform viewing area gross area of interface is more than the gross area of the second coordinate operation interface waveform viewing area, the second coordinate operation interface
The operating space gross area then more than first coordinate operation interface operation district the gross area.
The oscillograph of displaying picture the most according to claim 4, it is characterised in that first and second coordinate described
The size of waveform picture mates the size of waveform viewing area in first and second coordinate operation interface, and described first coordinate operation
The waveform viewing area gross area of interface is more than the gross area of the second coordinate operation interface waveform viewing area, the second coordinate operation interface
The operating space gross area then more than first coordinate operation interface operation district the gross area.
The oscillograph of displaying picture the most according to claim 3, it is characterised in that first and second coordinate described
The operating space of operation interface has one in order to switch the function image of first and second coordinate waveform processing module.
The oscillograph of displaying picture the most according to claim 4, it is characterised in that first and second coordinate described
The operating space of operation interface has one in order to switch the function image of first and second coordinate waveform processing module.
The oscillograph of displaying picture the most according to claim 5, it is characterised in that first and second coordinate described
The operating space of operation interface has one in order to switch the function image of first and second coordinate waveform processing module.
The oscillograph of displaying picture the most according to claim 6, it is characterised in that described first and second is sat
The operating space of mark operation interface has one in order to switch the function image of first and second coordinate waveform processing module.
The oscillograph of 11. displaying pictures according to claim 3, it is characterised in that described graphics processing unit
It is integrated in a single-chip with described CPU.
The oscillograph of 12. displaying pictures according to claim 10, it is characterised in that described graphics processing unit
It is integrated in a single-chip with described CPU.
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| CN108663555B (en) * | 2017-03-29 | 2022-05-20 | 普源精电科技股份有限公司 | Waveform searching method of digital oscilloscope and digital oscilloscope |
| CN115856385B (en) * | 2023-02-06 | 2023-07-04 | 深圳市鼎阳科技股份有限公司 | Oscilloscope, waveform display method and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7010442B2 (en) * | 2003-08-07 | 2006-03-07 | Agilent Technologies, Inc. | Systems and methods for operating a measurement and testing instrument |
| US20050249435A1 (en) * | 2004-05-06 | 2005-11-10 | Rai Barinder S | Apparatuses and methods for rotating an image |
| CN201307393Y (en) * | 2008-10-14 | 2009-09-09 | 无敌科技(西安)有限公司 | System for displaying frame by rotating |
| CN101414243A (en) * | 2008-11-21 | 2009-04-22 | 无敌科技(西安)有限公司 | Portable electronic device and method capable of displaying picture |
| US8981760B2 (en) * | 2009-11-13 | 2015-03-17 | Teledyne Lecroy, Inc. | Rotatable display for test and measurement apparatus |
| CN201673187U (en) * | 2010-05-14 | 2010-12-15 | 张兴杰 | Handheld touchable oscilloscope |
| CN202471789U (en) * | 2011-12-15 | 2012-10-03 | 董晨 | Signal acquisition device |
| CN202794278U (en) * | 2012-08-08 | 2013-03-13 | 成都爱信雅克科技有限公司 | High-precision handheld type digital oscilloscope |
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