CN103744472A - General digital signal generating system - Google Patents
General digital signal generating system Download PDFInfo
- Publication number
- CN103744472A CN103744472A CN201310694441.1A CN201310694441A CN103744472A CN 103744472 A CN103744472 A CN 103744472A CN 201310694441 A CN201310694441 A CN 201310694441A CN 103744472 A CN103744472 A CN 103744472A
- Authority
- CN
- China
- Prior art keywords
- signal
- module
- generating system
- signal generating
- self
- 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.)
- Pending
Links
Images
Landscapes
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a general digital signal generating system which comprises a D/A data conversion card and a signal generating system. The D/A data conversion card is connected with the signal generating system. The signal generating system comprises a parameter configuration module, a typical signal generating module, a self-defined signal data inputting module, a self-defined signal generating module, a graph drawing module and a D/A conversion module. The self-defined signal data inputting module is used for defining a signal data inputting mode and the self-defined signal data generating module is used for periodically generating self-defined signals according to data input by the signal data inputting mode. The graph drawing module draws signal waveforms generated by all channels in real time in a graph mode. According to the general digital signal generating system, voltage signals with multiple channels, multiple forms, the designated amplitude value and the period can be generated in parallel. The system can also be used for drawing the generated signal waveforms in real time through an upper computer so that a user can visually observe the generated signals in real time. The general digital signal generating system has the advantages of being simple in structure, high in generality and the like.
Description
Technical field
The present invention relates to digital communication technology field, relate in particular to a kind of general digital type signal generating system.
Background technology
Signal generating system refers to produce the system of specific waveforms electric signal (normally voltage signal), in scientific research and industrial test, often need carry out with dissimilar signal the performance of checking system, sometimes even need to use self-defined signal, for dynamics and the improved system design of activating system.Existing multi-signal generator product on market, but because price is relatively high, can only there is typical waveform and the shortcomings such as any self-defined semiotic function can not be provided, its versatility is restricted.
Through the retrieval of prior art is found, Chinese patent (application number: 201220592499.6, an open day 2013-4-17) recorded a kind of function signal generating function module combination experiment instrument, this experiment instrument adopts multiple analog modules to build function generator, produce typical function signal, be convenient to the principle that student understands mimic channel generation type signal, there is good teaching use value.This mimic channel signal generator, mates to change signal frequency, amplitude etc., system relative complex, repacking inconvenience by resistance, inductance and electric capacity; On the other hand, this mimic channel signal generator can only produce sine wave, triangular wave, square wave totally three quasi-representative waveforms, can not be used for occurring any self-defined signal.
Summary of the invention
In view of this, the object of this invention is to provide a kind of general digital type signal generating system, to solve deficiency of the prior art.
In order to achieve the above object, the object of the invention is to be achieved through the following technical solutions:
A kind of general digital type signal generating system, wherein, comprise interconnective D/A data conversion card and signal generating system, described signal generating system comprises parameter configuration module, type signal generation module, self-defined signal data load module, self-defined signal generating module, graphic plotting module and D/A modular converter, described parameter configuration module is for configuration parameter, described type signal generation module is for generation of dissimilar signal waveform, described self-defined signal data load module is for self-defined signal data input mode, for periodically there is self-defined signal according to the data of described signal data input mode input in described self-defined signal data generation module, the signal waveform that described graphic plotting module occurs with the each passage of patterned way real-time rendering, described D/A modular converter is for D/A data-switching.
Above-mentioned general digital type signal generating system, wherein, adopts usb protocol to communicate by letter between described D/A data conversion card and described signal generating system.
Above-mentioned general digital type signal generating system, wherein, the signal that described type signal generation module occurs is that cycle and amplitude are adjustable sine wave signal or sawtooth signal or square-wave signal or exponential wave signal.
Above-mentioned general digital type signal generating system, wherein, described signal data input mode comprises mouse drag mode, Formula Input Technology mode and normal data text input mode.
Compared with the prior art, beneficial effect of the present invention is:
The present invention can walk abreast occur hyperchannel, multi-form, specify amplitude and the voltage signal in cycle, not only can there is type signal, can also there is any self-defined signal; The signal waveform that native system also can occur by host computer real-time rendering, makes the signal that user can be intuitively, observation station occurs in real time, has the features such as simple in structure, highly versatile.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation block diagram of general digital type signal generating system of the present invention;
Fig. 2 is the man-machine interface schematic diagram of the signal generating system of general digital type signal generating system of the present invention;
Fig. 3 is the generation signal waveforms that general digital type signal generating system of the present invention produces.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present invention can combine mutually.
With reference to Fig. 1, the present invention comprises interconnective D/A data conversion card and signal generating system with numeric type signal generating system, and signal generating system is specially software, and it operates in the Windows operating system of host computer.Signal generating system comprises parameter configuration module, type signal generation module, self-defined signal data load module, self-defined signal generating module, graphic plotting module and D/A modular converter, parameter configuration module is for configuration parameter, type signal generation module is for generation of dissimilar signal waveform, self-defined signal data load module is for self-defined signal data input mode, for periodically there is self-defined signal according to the data of signal data input mode input in self-defined signal data generation module, the signal waveform that graphic plotting module occurs with the each passage of patterned way real-time rendering, the signal waveform that the each passage of host computer real-time rendering occurs, make the user can be directly perceived, the signal that observation station occurs in real time.D/A modular converter is for D/A data-switching.
In a preferred embodiment of the invention, between D/A data conversion card and signal generating system, adopt usb protocol to communicate by letter, the signal that type signal generation module occurs is that cycle and amplitude are adjustable sine wave signal or sawtooth signal or square-wave signal or exponential wave signal.Particularly, output signal single-point timing 1ms(timing is relevant with adopted data conversion card performance), by the total data in adjustment one-period, count and can realize the adjusting of type signal cycle, amplitude with amplitude.
Self-defined signal data load module, comprises mouse drag drafting, Formula Input Technology, three kinds of data entry modes of " .txt " normal data text input.The mouse drag mode of drawing specifically refers to that in given rectangular area, dragging mouse draws custom curve, and the origin-to-destination of curve is as one-period, and counting that software is set according to user carried out uniform discrete generation signal data to the continuous curve of drawing.Formula Input Technology mode specifically refers to be inputted formula and sets abscissa zone in given text box, and this interval is as one-period, and counting that software is set according to user carried out uniform discrete generation signal data to continuous function value corresponding to formula in interval." .txt " normal data text input mode specifically refers to that total line number of the data of reading in from text counts as the total data of one-period, and each line number value represents a discrete data point.
According to the data of above-mentioned three kinds of data entry modes input, periodically there is self-defined signal in self-defined signal generating module.
Graphic plotting module refers to the signal waveform being occurred by the each passage of host computer real-time rendering, makes the signal that user can be intuitively, observation station occurs in real time.
The man-machine interface of signal generating system software is shown in Fig. 2, comprises that start/stop district, parameter configuration district, type signal setting area, self-defined signal data generate district and graphic plotting district, and man-machine interaction is by realizations such as button, drop-down menu, slide bar, dialog boxes.Start/stop district specifically refers to that " beginning " order of signal occurs, and adopts the button mode of manually clicking; " stop " occurring the order of signal, adopt and manually click button and automatically stop two kinds of modes.Wherein automatically stop mode, refer to that system stops automatically when the signal period number occurring reaches default periodicity setting value.The setting of periodicity realizes by Input, when being input as 0(default value) time be manual stop mode.
During concrete operations, D/A data conversion card is connected by usb line with host computer, then according to application, the signal output part of D/A data conversion card need to be connected to concrete application circuit.
Opening signal generation systems software, arranges by drop-down menu mode in parameter configuration district that the signalling channel number that needs to occur is 2, voltage range is 0～5V.Passage 0 is sawtooth signal, and the total data in one-period is counted and is made as 100, and amplitude is 5V; Passage 1 is self-defined signal, at self-defined signal data, generate district and select mouse drag mode, then in the window rectangular area of ejecting, by mouse drag mode, draw custom curve, the total data in one-period is counted and is also made as 100, generates self-defined signal data.
In the start/stop district of signal generating system software, input operation week issue 2, clicks START button, and system starts to occur signal, and in graphic plotting district simultaneous display signal waveform, moves 2 all after date systems and automatically stop, and the signal of generation is shown in Fig. 3.
From above-described embodiment, can find out, advantage of the present invention is:
The present invention can walk abreast occur hyperchannel, multi-form, specify amplitude and the voltage signal in cycle, not only can there is type signal, can also there is any self-defined signal.In addition, the signal waveform that this system also can occur by host computer real-time rendering, makes the signal that user can be intuitively, observation station occurs in real time, has the features such as simple in structure, highly versatile.
Above specific embodiments of the invention be have been described in detail, but the present invention is not restricted to specific embodiment described above, it is just as example.To those skilled in the art, any equivalent modifications and alternative also all among category of the present invention.Therefore, equalization conversion and the modification done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.
Claims (4)
1. a general digital type signal generating system, it is characterized in that, comprise interconnective D/A data conversion card and signal generating system, described signal generating system comprises parameter configuration module, type signal generation module, self-defined signal data load module, self-defined signal generating module, graphic plotting module and D/A modular converter, described parameter configuration module is for configuration parameter, described type signal generation module is for generation of dissimilar signal waveform, described self-defined signal data load module is for self-defined signal data input mode, for periodically there is self-defined signal according to the data of described signal data input mode input in described self-defined signal data generation module, the signal waveform that described graphic plotting module occurs with the each passage of patterned way real-time rendering, described D/A modular converter is for D/A data-switching.
2. general digital type signal generating system according to claim 1, is characterized in that, between described D/A data conversion card and described signal generating system, adopts usb protocol to communicate by letter.
3. general digital type signal generating system according to claim 1, is characterized in that, the signal that described type signal generation module occurs is that cycle and amplitude are adjustable sine wave signal or sawtooth signal or square-wave signal or exponential wave signal.
4. general digital type signal generating system according to claim 1, is characterized in that, described signal data input mode comprises mouse drag mode, Formula Input Technology mode and normal data text input mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310694441.1A CN103744472A (en) | 2013-12-17 | 2013-12-17 | General digital signal generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310694441.1A CN103744472A (en) | 2013-12-17 | 2013-12-17 | General digital signal generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103744472A true CN103744472A (en) | 2014-04-23 |
Family
ID=50501499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310694441.1A Pending CN103744472A (en) | 2013-12-17 | 2013-12-17 | General digital signal generating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103744472A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771452A (en) * | 2016-11-15 | 2017-05-31 | 中国电子科技集团公司第四十研究所 | A kind of waveform drawing and acquisition method based on MFC class libraries and screen resolution |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1755375A (en) * | 2004-09-29 | 2006-04-05 | 华为技术有限公司 | Signal generation apparatus and method |
| CN101599715A (en) * | 2009-06-25 | 2009-12-09 | 天津大学 | Dynamic bipolar drive power supply for piezoelectric ceramics and implementation method |
| CN202887564U (en) * | 2012-11-12 | 2013-04-17 | 华南理工大学 | Combined experiment instrument of function signal generating functional module |
| CN103178808A (en) * | 2011-12-21 | 2013-06-26 | 北京普源精电科技有限公司 | Waveform customization method and signal generator |
-
2013
- 2013-12-17 CN CN201310694441.1A patent/CN103744472A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1755375A (en) * | 2004-09-29 | 2006-04-05 | 华为技术有限公司 | Signal generation apparatus and method |
| CN101599715A (en) * | 2009-06-25 | 2009-12-09 | 天津大学 | Dynamic bipolar drive power supply for piezoelectric ceramics and implementation method |
| CN103178808A (en) * | 2011-12-21 | 2013-06-26 | 北京普源精电科技有限公司 | Waveform customization method and signal generator |
| CN202887564U (en) * | 2012-11-12 | 2013-04-17 | 华南理工大学 | Combined experiment instrument of function signal generating functional module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771452A (en) * | 2016-11-15 | 2017-05-31 | 中国电子科技集团公司第四十研究所 | A kind of waveform drawing and acquisition method based on MFC class libraries and screen resolution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103176010A (en) | System and method for oscilloscope remote touch method | |
| CN103744472A (en) | General digital signal generating system | |
| CN203617976U (en) | Touch type multichannel random wave generator | |
| CN102591500A (en) | Touch drawing processing system and touch drawing processing method | |
| CN105281715A (en) | Power-frequency synchronization depth storage ns-grade pulse multi-parameter generation system | |
| CN204009479U (en) | A kind of multifunctional virtual waveform generator | |
| CN102495253A (en) | Handheld multifunctional parallel-operation measuring device | |
| DE212012000013U1 (en) | Electromagnetic flowmeter | |
| CN207319201U (en) | Active capacitance writing pencil based on USB communications | |
| CN201895496U (en) | Multifunctional portable pen | |
| CN201345093Y (en) | Manual device for adjusting handwriting input graphic parameters | |
| CN205523248U (en) | Collect instrument of drawing in novel mathematics classroom of an organic whole instrument | |
| CN204367652U (en) | Multifunctional pen | |
| CN203480436U (en) | Stylus | |
| CN203480425U (en) | Touch-control pen | |
| CN203102277U (en) | Multifunctional special pen for middle school students | |
| CN204270029U (en) | Pid parameter generator | |
| CN207115407U (en) | A kind of applied mathematics motion frequency analytical instrument | |
| CN201903864U (en) | Interactive digital display screen | |
| CN203019857U (en) | Notebook for international trade negotiation | |
| CN201847013U (en) | Combined accounting appliance | |
| CN203032220U (en) | English teaching instrument for universities and colleges | |
| CN102736818A (en) | Electromagnetic multi-pen electronic whiteboard | |
| CN204143422U (en) | A kind of arrangement for reading obtaining eBook content relevant information | |
| CN204347535U (en) | A kind of infant industry control panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140423 |