CN107561982A - A kind of arbitrarily signal generating device and its output control method based on terminal fitting - Google Patents
A kind of arbitrarily signal generating device and its output control method based on terminal fitting Download PDFInfo
- Publication number
- CN107561982A CN107561982A CN201710757335.1A CN201710757335A CN107561982A CN 107561982 A CN107561982 A CN 107561982A CN 201710757335 A CN201710757335 A CN 201710757335A CN 107561982 A CN107561982 A CN 107561982A
- Authority
- CN
- China
- Prior art keywords
- signal processor
- wave data
- terminal
- digital signal
- generating device
- 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
Landscapes
- Analogue/Digital Conversion (AREA)
Abstract
The embodiment of the invention discloses a kind of arbitrarily signal generating device and its output control method based on terminal fitting, the uninterrupted output of fitted signal is realized, high-precision dynamic waveform can be exported for a long time.Arbitrarily signal generating device embodiment of the present invention based on terminal fitting includes：Digital signal processor and digital analog converter；The digital signal processor connects terminal；The digital signal processor includes random access memory and dma controller；The random access memory sets two buffering areas；The dma controller connects the buffering area and the digital analog converter.
Description
Technical field
The present invention relates to signal generator field, more particularly to a kind of arbitrarily signal generating device based on terminal fitting and its
Output control method.
Background technology
The development of power system particularly increasing wind-force, photovoltaic, divides along with the consideration being deteriorated to the quality of power supply
The low quality electricity generation system such as cloth, and such as disturbance of high ferro, electric automobile, energy storage to power network so as to acutely being disturbed
The research of dynamic distorted signal attracts attention all the more.Enter usually using voltage source, current source (signal generator is signal source)
The inspection work of row each quasi-instrument, meter, or the feature of research network system.But traditional source be generally only can be merely
Direct current or exchange and superposition harmonic wave are exported, is substantially inadequate for the power grid environment emulation under complex situations at this stage.By
This has derived the function signal generation apparatus more increasingly complex than conventional power source, may be generally referred to as arbitrarily signal generating device
(referred to as any source).This kind of special source can export the signal more increasingly complex than conventional power source, possess higher output band
Wide and dynamic property, and signal settling time, and still there is good output accuracy faster.
Current any source produces the numeral letter required for DAC using embedded microcontroller such as single-chip microcomputer, DSP
Number, such design can be restricted any source " any output " ability, specifically be mainly manifested in the total of institute's output waveform
In length.During using microcontroller to be fitted waveform, it will usually using RAM stored waveform data, then using hardware scanning ripple
Graphic data consigns to DAC again.But this mode can be limited to RAM size, the length of an output waveform is influenceed, can be caused
The output of aperiodic waveform is restricted.
The content of the invention
It is real the embodiments of the invention provide a kind of arbitrarily signal generating device and its output control method based on terminal fitting
The uninterrupted output of existing fitted signal, can export high-precision dynamic waveform for a long time.
A kind of arbitrarily signal generating device output control method based on terminal fitting provided in an embodiment of the present invention, including：
S1：The configuration information to digital signal processor that receiving terminal is sent, send to set to the terminal and successfully believe
Breath；
S2：The Wave data that receiving terminal is sent, and the arbitrary access of Wave data deposit digital signal processor is deposited
First buffering area in reservoir；
S3：The Wave data of terminal transmission is continued to, and Wave data is stored in the random of digital signal processor and deposited
Second buffering area in access to memory, while start dma controller scanning first buffering area, Wave data is sent into digital simulation
Converter is exported, and is returned and is performed the step S2, while starts dma controller scanning second buffering area, by Wave data
Digital analog converter is sent to carry out circulating uninterrupted output.
Preferably, the step S1 is specifically included：
The configuration information to the gear of digital signal processor, amplitude and sample rate that receiving terminal is sent, if to described
Terminal sends gear, the setting successful information of amplitude and sample rate, then performs step S2, if to terminal send gear, amplitude and
The non-successful information of setting of sample rate, then continue to terminal transmission to the gear of digital signal processor, amplitude and sampling
The configuration information of rate.
Preferably, the step S2 is specifically included：
A receiving thread is opened into circular wait reception Wave data state, the Wave data that receiving terminal is sent,
And Wave data is stored in the first buffering area in the random access memory of digital signal processor.
Preferably, the step S3 is specifically included：
The Wave data of terminal transmission is continued to, and the arbitrary access of Wave data deposit digital signal processor is deposited
Second buffering area in reservoir, while start dma controller scanning first buffering area, Wave data is sent by serial port
Digital analog converter is exported, and is returned and is performed the step S2, while starts dma controller scanning second buffering area, will
Wave data sends digital analog converter by serial port and carries out circulating uninterrupted output.
A kind of arbitrarily signal generating device based on terminal fitting provided in the embodiment of the present invention, including：At data signal
Manage device and digital analog converter；
The digital signal processor connects terminal；
The digital signal processor includes random access memory and dma controller；
The random access memory sets two buffering areas；
The dma controller connects the buffering area and the digital analog converter.
Preferably, the digital signal processor also includes serial port, and the serial port connects the dma controller
With the digital analog converter.
Preferably, the digital analog converter includes branch module；
The branch module includes reference voltage source chip, high-operational amplifier amplifier and two 16 digit weighted-voltage D/A converters；
One 16 digit weighted-voltage D/A converter connects reference voltage source chip, the serial port and the high-operational amplifier
Amplifier；
Another 16 digit weighted-voltage D/A converter connects the serial port and signal output part.
Preferably, the serial port has at least one.
Preferably, the number of the branch module is identical with the number of the serial port.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
A kind of arbitrarily signal generating device and its output control method based on terminal fitting provided in the embodiment of the present invention,
Wherein, a kind of arbitrarily signal generating device based on terminal fitting includes：Digital signal processor and digital analog converter；It is described
Digital signal processor connects terminal；The digital signal processor includes random access memory and dma controller；It is described with
Machine access memory sets two buffering areas；The dma controller connects the buffering area and the digital analog converter.This
In embodiment, two buffering areas are opened in random access memory by digital signal processor, pass through alternate buffering
Mode generates analog waveform signal by digital analog converter and realizes continual output, can export for a long time high-precision
Dynamic waveform.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
A kind of one embodiment of the arbitrarily signal generating device based on terminal fitting provided in Fig. 1 embodiment of the present invention
Structural representation；
Fig. 2 is a kind of output control stream of the arbitrarily signal generating device based on terminal fitting provided in the embodiment of the present invention
Cheng Tu；
Fig. 3 is a kind of another implementation of the arbitrarily signal generating device based on terminal fitting provided in the embodiment of the present invention
The overall structure diagram of example；
Fig. 4 is a kind of voltage power amplifier design figure provided in the embodiment of the present invention；
Fig. 5 is a kind of current amplification design drawing provided in the embodiment of the present invention；
A kind of arbitrarily signal generating device output control method based on terminal fitting provided in Fig. 6 embodiment of the present invention
The schematic flow sheet of one embodiment；
A kind of arbitrarily signal generating device output control method based on terminal fitting provided in Fig. 7 embodiment of the present invention
The schematic flow sheet of another embodiment.
Embodiment
It is real the embodiments of the invention provide a kind of arbitrarily signal generating device and its output control method based on terminal fitting
The uninterrupted output of existing fitted signal, can export high-precision dynamic waveform for a long time.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only part of the embodiment of the present invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Referring to Fig. 1, one of a kind of arbitrarily signal generating device based on terminal fitting provided in the embodiment of the present invention
Embodiment includes：
One embodiment of arbitrarily signal generating device based on terminal fitting includes：
Digital signal processor and digital analog converter；
Digital signal processor connects terminal；
Digital signal processor includes random access memory and dma controller；
Random access memory sets two buffering areas；
Dma controller connects buffering area and digital analog converter.
Further, digital signal processor also includes serial port, serial port connection dma controller and digital simulation
Converter.
Further, digital analog converter includes branch module；
Branch module includes reference voltage source chip, high-operational amplifier amplifier and two 16 digit weighted-voltage D/A converters；
One 16 digit weighted-voltage D/A converters connection reference voltage source chip, serial port and high-operational amplifier amplifier；
Another 16 digit weighted-voltage D/A converter connects serial port and signal output part.
Further, serial port has at least one, and such as Fig. 1, the serial port being connected with dma controller is 3, with string
The branch module of row port connection is 3, and branch module all includes reference voltage source chip such as ADR4530 in Fig. 1, high accuracy
Two AD5545 in amplifier amplifier such as OPA2277 and two 16 digit weighted-voltage D/A converter such as Fig. 1 in Fig. 1,16 digits
Reference voltage source chip such as ADR4530 in Fig. 1, the serial port be such as described in the AD5545 connections in Fig. 1 for weighted-voltage D/A converter
SPORT1 or SPORT2 or SPORT3 and the high-operational amplifier amplifier in Fig. 1；Another 16 digit weighted-voltage D/A converter connects
Corresponding serial port and signal output part..
Further, the number of branch module and the number of serial port are identical.
In the present embodiment, carried out by using computer mutual between waveform fitting, and computer and microcontroller
Communication-cooperation operates, and the resource for reducing microcontroller uses, and improves the length of single output waveform, it is possible to achieve when longer
Between aperiodic waveform output on yardstick, two bufferings are opened in random access memory by digital signal processor
Area, continual output is realized by digital analog converter generation analog waveform signal by way of alternate buffering, can
Export high-precision dynamic waveform for a long time.
A kind of application examples of arbitrarily signal generating device based on terminal fitting provided in the embodiment of the present invention is：Such as
Fig. 3, by computer fitting and generation discrete digital signal, and data signal is sent to by microcontroller by Ethernet, by
Microcontroller write-in digital analog converter (Digital to analog converter, DAC) generation analog signal, then pass through
Power amplification exports.The ethernet frame of Wave data uses custom protocol, and frame length is 11 byte when using the output of 3 tunnels.
Frame data field definition of order is respectively：Point sequence number (2 byte), port number (1 byte), passage (2 byte X3).With per second 50,000
Individual match point, the requirement of 3 tunnels output, baud rate 4.4Mbps, is sufficient for requiring using 100 m ethernet.One can be used
As home computer carry out fitted signal, also otherwise varied is required to the minimalist configuration of computer with the raising of fitting points.With
The requirement of 50,000 match points per second, meet the performance in the generations of INTEL i3 six it is achieved that lower allocation of computer may
Influence the fluency of multitask running in fit procedure.Ethernet uses the electric Ethernet of RJ45 specification interfaces, Ethernet control
Device must be 100,000,000 ranks.Embedded microcontroller uses UCOSIII multi-job operations using BF609 DSP serial ADI
System.
Such as Fig. 2, work of the computer first to digital signal processor (Digital Signal Processing, DSP)
State, parameter carry out necessary setting, the gear of control output circuit, now digital signal processor (Digital Signal
Processing, DSP) setting must be returned to computer, and successfully instruction, whole system just can be performed down.Then, it is digital
Signal processor (Digital Signal Processing, DSP) opens a receiving thread and initially enters circular wait reception
Wave data.The data of one second are sent to digital signal processor (Digital Signal by computer successively
Processing, DSP), digital signal processor (Digital Signal Processing, DSP) deposits data deposit at random
After access to memory (random access memory, RAM), open another output thread and start DMA (Direct Memory
Access, direct memory access) high-velocity scanning random access memory (random access memory, RAM) address, and lead to
Cross synchronous serial interface SPORT (synchronous serial Port) and squeeze into discrete digital amount in DAC and exported.
Such as Fig. 1, digital signal processor (Digital Signal Processing, DSP) is in random access memory
Two block buffers are opened in (random access memory, RAM), are realized by way of alternate buffering continual defeated
Go out.After computer has sent the data of one second, continue to send the data of next second, digital signal processor (Digital
Signal Processing, DSP) data of next second are stored in another buffering area, now DMA (Direct Memory
Access, direct memory access) data of one second still in scanning.
Digital-to-analogue conversion uses 16bit DA5545 high-speed figures analog converter (Digital to analog
Converter, DAC), it is desirable to its settling time is short enough, to deal with high frequency aperiodic waveform.
Such as Fig. 4 and Fig. 5, for voltage output power amplification loop, high-amplification-factor and essence are provided using accurate amplifier
Close feedback element, reach the purpose of high pressure and power amplification by driving mosfet, and complete to bear by partial pressure feedback resistance
Feedback.Likewise, Current Output Power amplification also completes negative-feedback using high-precision sample resistance.
Referring to Fig. 6, a kind of arbitrarily signal generating device based on terminal fitting provided in the embodiment of the present invention exports control
One embodiment of method processed includes：
101st, the configuration information to digital signal processor that receiving terminal is sent, send to set to the terminal and successfully believe
Breath；
Working condition, parameter of the computer first to DSP carry out necessary setting, the gear of control output circuit, calculate
Machine issues setting command to digital signal processor, and digital signal processor DSP receives the setting command that computer is sent, numeral
Signal processor, which returns, sets success command.
102nd, the Wave data that receiving terminal is sent, and the arbitrary access of Wave data deposit digital signal processor is deposited
First buffering area in reservoir；
Computer transmits Wave data to digital signal processor, and digital signal processor receives the predetermined of computer transmission
The Wave data of time, and be first buffering area by Wave data deposit buffering area one.
103rd, the Wave data of terminal transmission is continued to, and Wave data is stored in the random of digital signal processor and deposited
Second buffering area in access to memory, while start dma controller scanning first buffering area, Wave data is sent into digital simulation
Converter is exported, and is returned and is performed the step 102, while starts dma controller scanning second buffering area, by Wave data
Digital analog converter is sent to carry out circulating uninterrupted output.
After computer has sent the Wave data of the scheduled time to digital signal processor, continue to Digital Signal Processing
Device sends the Wave data of next scheduled time, and digital signal processor continues to next pre- timing of computer transmission
Between Wave data, and the Wave data of next scheduled time is stored in another buffering area i.e. second buffering area or buffering area
Two, such as Fig. 1, while start dma controller scanning first buffering area, by Wave data send digital analog converter carry out it is defeated
Go out, continue to the Wave data of computer transmission, and Wave data is stored in the random access memory of digital signal processor
First buffering area in device, while start dma controller scanning second buffering area, Wave data is sent into digital analog converter
Carry out circulating uninterrupted output.
The above is that a kind of arbitrarily signal generating device output control method based on terminal fitting is described in detail, under
A kind of process of the arbitrarily signal generating device output control method based on terminal fitting will be described in more detail for face, please join
Read Fig. 7, provided in the embodiment of the present invention it is a kind of based on terminal fitting arbitrarily signal generating device output control method it is another
Individual embodiment includes：
201st, the configuration information to the gear of digital signal processor, amplitude and sample rate that receiving terminal is sent, if to
The terminal sends the setting successful information of gear, amplitude and sample rate, then performs step 202, if sending gear, width to terminal
Value and sample rate the non-successful information of setting, then continue to terminal transmission to the gear of digital signal processor, amplitude and
The configuration information of sample rate.
Computer issues setting command (gear, amplitude, sample rate) to digital signal processor, and digital signal processor connects
The setting command (gear, amplitude, sample rate) that computer is sent is received, success command is shelves if digital signal processor returns to setting
The setting successful information of position, amplitude and sample rate, then continue executing with next step 202, if digital signal processor does not return
Return set success command be to terminal send gear, amplitude and sample rate the non-successful information of setting, then computer continue to number
Word signal processor issues setting command (gear, amplitude, sample rate), and digital signal processor continues to computer transmission
Setting command (gear, amplitude, sample rate).
202nd, open a receiving thread and enter circular wait reception Wave data state, the waveform number that receiving terminal is sent
According to, and by Wave data be stored in digital signal processor random access memory in first buffering area.
Digital signal processor, which opens a receiving thread and initially enters circular wait, receives Wave data, and computer is to number
Word signal processor transmits Wave data, and digital signal processor receives the Wave data for the scheduled time that computer is sent, and
It is first buffering area by Wave data deposit buffering area one.The scheduled time can be 1 second.
203rd, the Wave data of terminal transmission is continued to, and Wave data is stored in the random of digital signal processor and deposited
Second buffering area in access to memory, while start dma controller scanning first buffering area, Wave data is passed through into serial port
Send digital analog converter to be exported, return and perform the step 202, while start the buffering of dma controller scanning second
Area, Wave data is sent into digital analog converter by serial port and carries out circulating uninterrupted output.
After computer has sent the Wave data of the scheduled time to digital signal processor, continue to Digital Signal Processing
Device sends the Wave data of next scheduled time, and the scheduled time can be 1 second or any predetermined time, Digital Signal Processing
Device continues to the Wave data of next scheduled time of computer transmission, and the Wave data of next scheduled time is deposited
Enter another buffering area i.e. second buffering area or buffering area two, such as Fig. 1, while start the controls of the DMA in digital signal processor
Device scans first buffering area, squeezes into digital analog converter by serial port, Wave data is sent into digital analog converter
Exported, digital signal processor continues to the Wave data of the scheduled time of computer transmission, and Wave data is deposited
Enter the first buffering area in the random access memory of digital signal processor, while start dma controller scanning digital signal
Second buffering area in the random access memory of processor, digital analog converter is squeezed into by serial port, by waveform number
Carry out circulating uninterrupted output according to digital analog converter is sent.
Working condition of the computer first to DSP, parameter carry out necessary setting, the gear of control output circuit, now
DSP must be returned to set to computer and successfully instructed, and whole system just can be performed down.Then, DSP opens a reception line
Journey initially enters circular wait and receives Wave data.The data of one second are sent to DSP by computer successively, and data are stored in by DSP
After RAM, open another output thread and start DMA high-velocity scanning address rams, and squeezed into discrete digital amount by SPORT mouths
Exported in DAC.
In the present embodiment, by digital signal processor DSP in random access memory (random access
Memory, RAM) two block buffers are opened in RAM, continual output is realized by way of alternate buffering.Work as computer
After having sent the data of one second, continue to send the data of next second, the data of next second are stored in another by digital signal processor DSP
One buffering area, now DMA data of one second still in scanning, realize the uninterrupted output of fitted signal, can be for a long time
Export high-precision dynamic waveform.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
- A kind of 1. arbitrarily signal generating device based on terminal fitting, it is characterised in that including：Digital signal processor sum type matrix Intend converter；The digital signal processor connects terminal；The digital signal processor includes random access memory and dma controller；The random access memory sets two buffering areas；The dma controller connects the buffering area and the digital analog converter.
- 2. the arbitrarily signal generating device according to claim 1 based on terminal fitting, it is characterised in that the data signal Processor also includes serial port, and the serial port connects the dma controller and the digital analog converter.
- 3. the arbitrarily signal generating device according to claim 2 based on terminal fitting, it is characterised in that the digital simulation Converter includes branch module；The branch module includes reference voltage source chip, high-operational amplifier amplifier and two 16 digit weighted-voltage D/A converters；One 16 digit weighted-voltage D/A converter connects the reference voltage source chip, the serial port and high-operational amplifier amplification Device；Another 16 digit weighted-voltage D/A converter connects the serial port and signal output part.
- 4. the arbitrarily signal generating device according to claim 3 based on terminal fitting, it is characterised in that the serial port Have at least one.
- 5. the arbitrarily signal generating device according to claim 4 based on terminal fitting, it is characterised in that the branch module Number it is identical with the number of the serial port.
- A kind of 6. arbitrarily signal generating device output control method based on terminal fitting, it is characterised in that including：S1：The configuration information to digital signal processor that receiving terminal is sent, sent to the terminal and successful information is set；S2：The Wave data that the terminal is sent is received, and Wave data is stored in the random of the digital signal processor and deposited First buffering area in access to memory；S3：Continue to terminal transmission Wave data, and by Wave data be stored in described in the digital signal processor with Second buffering area in machine access memory, while start dma controller scanning first buffering area, Wave data is sent into numeral Analog converter is exported, and is returned and is performed the step S2, while starts the dma controller scanning second buffering area, will Wave data sends the digital analog converter and carries out circulating uninterrupted output.
- 7. the arbitrarily signal generating device output control method according to claim 6 based on terminal fitting, it is characterised in that The step S1 is specifically included：The configuration information to the gear of the digital signal processor, amplitude and sample rate that the terminal is sent is received, if to The terminal sends the setting successful information of gear, amplitude and sample rate, then performs step S2, if sending shelves to the terminal Position, the non-successful information of the setting of amplitude and sample rate, then continue to that the terminal sends to the digital signal processor Gear, the configuration information of amplitude and sample rate.
- 8. the arbitrarily signal generating device output control method according to claim 6 based on terminal fitting, it is characterised in that The step S2 is specifically included：Open a receiving thread and enter circular wait reception Wave data state, receive the Wave data that the terminal is sent, And Wave data is stored in the first buffering area in the random access memory of the digital signal processor.
- 9. the arbitrarily signal generating device output control method according to claim 6 based on terminal fitting, it is characterised in that The step S3 is specifically included：Continue to the Wave data that the terminal is sent, and by Wave data be stored in described in the digital signal processor with Second buffering area in machine access memory, while start the dma controller scanning first buffering area, Wave data is passed through Serial port sends the digital analog converter and exported, and returns and performs the step S2, while starts the DMA controls Device scans second buffering area, by Wave data by serial port send the digital analog converter circulate it is uninterrupted defeated Go out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710757335.1A CN107561982A (en) | 2017-08-29 | 2017-08-29 | A kind of arbitrarily signal generating device and its output control method based on terminal fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710757335.1A CN107561982A (en) | 2017-08-29 | 2017-08-29 | A kind of arbitrarily signal generating device and its output control method based on terminal fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107561982A true CN107561982A (en) | 2018-01-09 |
Family
ID=60976300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710757335.1A Pending CN107561982A (en) | 2017-08-29 | 2017-08-29 | A kind of arbitrarily signal generating device and its output control method based on terminal fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107561982A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422156A (en) * | 2017-06-21 | 2017-12-01 | 广东电网有限责任公司电力科学研究院 | A kind of dynamic distortion power source based on high speed DMA fitting |
| CN113437854A (en) * | 2021-07-12 | 2021-09-24 | 国网河北省电力有限公司营销服务中心 | AC/DC superposed voltage source |
| CN113608161A (en) * | 2021-08-02 | 2021-11-05 | 国网山东省电力公司营销服务中心(计量中心) | Cascadable alternating current-direct current superposed power supply |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463334A (en) * | 1995-02-02 | 1995-10-31 | The United States Of America As Represented By The Secretary Of The Navy | Arbitrary waveform generator |
| CN101425103A (en) * | 2008-10-07 | 2009-05-06 | 成都飞机工业集团电子科技有限公司 | Optional waveform generator based on PCI bus |
| CN103543430A (en) * | 2013-09-27 | 2014-01-29 | 广东电网公司电力科学研究院 | Standard modulus synchronous signal source |
| CN105319408A (en) * | 2014-07-31 | 2016-02-10 | 罗伯特·博世有限公司 | Signal generator and method for generating signal change curves |
| CN105911495A (en) * | 2016-04-12 | 2016-08-31 | 国网江苏省电力公司电力科学研究院 | Analog standard source with IEC61850 digital interface and testing method thereof |
| CN207123738U (en) * | 2017-08-29 | 2018-03-20 | 广东电网有限责任公司电力科学研究院 | A kind of arbitrarily signal generating device based on terminal fitting |
-
2017
- 2017-08-29 CN CN201710757335.1A patent/CN107561982A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463334A (en) * | 1995-02-02 | 1995-10-31 | The United States Of America As Represented By The Secretary Of The Navy | Arbitrary waveform generator |
| CN101425103A (en) * | 2008-10-07 | 2009-05-06 | 成都飞机工业集团电子科技有限公司 | Optional waveform generator based on PCI bus |
| CN103543430A (en) * | 2013-09-27 | 2014-01-29 | 广东电网公司电力科学研究院 | Standard modulus synchronous signal source |
| CN105319408A (en) * | 2014-07-31 | 2016-02-10 | 罗伯特·博世有限公司 | Signal generator and method for generating signal change curves |
| CN105911495A (en) * | 2016-04-12 | 2016-08-31 | 国网江苏省电力公司电力科学研究院 | Analog standard source with IEC61850 digital interface and testing method thereof |
| CN207123738U (en) * | 2017-08-29 | 2018-03-20 | 广东电网有限责任公司电力科学研究院 | A kind of arbitrarily signal generating device based on terminal fitting |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422156A (en) * | 2017-06-21 | 2017-12-01 | 广东电网有限责任公司电力科学研究院 | A kind of dynamic distortion power source based on high speed DMA fitting |
| CN113437854A (en) * | 2021-07-12 | 2021-09-24 | 国网河北省电力有限公司营销服务中心 | AC/DC superposed voltage source |
| CN113608161A (en) * | 2021-08-02 | 2021-11-05 | 国网山东省电力公司营销服务中心(计量中心) | Cascadable alternating current-direct current superposed power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107561982A (en) | A kind of arbitrarily signal generating device and its output control method based on terminal fitting | |
| CN203300035U (en) | Acquirer and power utilization information acquiring system | |
| CN106451556A (en) | Method and apparatus for determining capability of receiving distributed power supply by distributed network feeder line | |
| CN101135929A (en) | Multicore processor, frequency conversion device thereof and communication method between cores | |
| CN105139629A (en) | Method for improving data acquisition efficiency of low voltage power line broadband carrier waves | |
| CN207123738U (en) | A kind of arbitrarily signal generating device based on terminal fitting | |
| CN115549092A (en) | Active power distribution network optimized operation method based on intelligent soft switch | |
| CN109256858A (en) | Virtual synchronous generator system, communication method thereof and new energy control system | |
| CN202872468U (en) | Real-time data access interface devic of SCADA (Supervisory Control and Data Acquisition) system | |
| CN107221147A (en) | Double nets fusion acquisition system of multiple-in-one | |
| CN101893695A (en) | Analog sampling and protocol generating devices | |
| CN109358241A (en) | Flexible direct current transmission converter valve detection system and method | |
| CN102368611B (en) | Board card for flexible alternating-current power transmission device | |
| CN210895044U (en) | Real-time simulation system capable of flexibly accessing MMC valve control pulse distribution screen | |
| CN112087675A (en) | Quasi-real-time data acquisition system and method adaptive to competitive power market | |
| CN201957249U (en) | Wireless local area network access point (WLAN) with power line network interface | |
| CN206961312U (en) | Double concentrator harvesters of multiple-in-one | |
| CN216291294U (en) | Single-pair Ethernet power information acquisition card supporting 5G communication | |
| CN203014384U (en) | Chain type SVG series multi-power-unit FPGA control device | |
| CN201788275U (en) | Analog sampling and protocol generating device | |
| CN203617787U (en) | Power scheduling system | |
| CN202872470U (en) | Real-time data access interface device of power utilization information acquisition system | |
| CN201928264U (en) | Analog-sampling and specification-generating device | |
| CN217282958U (en) | Test signal switching device for wind turbine generator system | |
| CN109088620A (en) | A kind of PFM modulation circuit based on data control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |