CN110161902A - A kind of unmanned plane figure passes and the Universal-purpose quick acquisition device and acquisition method of remote signal - Google Patents
A kind of unmanned plane figure passes and the Universal-purpose quick acquisition device and acquisition method of remote signal Download PDFInfo
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- CN110161902A CN110161902A CN201910361875.7A CN201910361875A CN110161902A CN 110161902 A CN110161902 A CN 110161902A CN 201910361875 A CN201910361875 A CN 201910361875A CN 110161902 A CN110161902 A CN 110161902A
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4009—Coupling between buses with data restructuring
- G06F13/4018—Coupling between buses with data restructuring with data-width conversion
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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Abstract
The invention discloses the Universal-purpose quick acquisition devices and acquisition method of a kind of unmanned plane figure biography and remote signal, described device includes FPGA plate and the AD9361 daughter board that is connect by FMC connection type with FPGA plate and is bi-directionally connected the gigabit network interface expansion board that mode is connect by IO with FPGA plate, wherein FPGA plate is by the external end PC of serial ports, and the method includes 1) FPGA control AD9361 initialization；2) the fixed frequency of AD9361 binary channels, the acquisition of broadband frequency sweep；3) acquisition data carry out multichannel distribution；4) the FFT processing of data is acquired；5) the asynchronous storage transmission of 8 channel datas；6) FPGA plate temperature control protection is handled；7) the kilomega network transmission of data is acquired.This installation cost is low, be easily achieved, real-time is good, versatile, easy to operate.This method can frequency acquisition fixed to 70MHZ to 6GHZ wireless signal, the common figure of unmanned plane is passed and the frequency range of remote signal carries out rapid frequency-sweeping acquisition, carries out storage to the extensive real time data of acquisition and 8 channels are asynchronous reads while write.
Description
Technical field
It is passed the present invention relates to technical field of radio more particularly to a kind of unmanned plane figure and the Universal-purpose quick of remote signal is adopted
Acquisition means and acquisition method.
Background technique
The device that the acquisition for unmanned plane figure biography and remote signal is mainly taken at present is by Xilinx company
Zedboard development board and the AD9361 daughter board of ADI company composition, wherein mainly by ZYNQ system inside Zedboard development board
The fpga chip of column, gigabit network interface chip, the composition such as DDR memory bar, serial port chip.Development procedure is mainly that the end PC passes through serial ports
The register of AD9361 chip is sent to the end PS of ZYNQ, the subsequent end PS sends data to the end PL by AXI timing, and the end PL is logical
Cross FMC interface, using SPI timing by register configuration into AD9361 chip, realize data acquisition, the data of acquisition by
AD9361 daughter board is transmitted to the end PL of ZYNQ by FMC interface, and the end PL is transferred to the end PS by AXI timing, and PS writes data end
Enter in the DDR memory onto Zedbaord and continue to be read by the end PS, the data that the end PS is read pass through again on Zedboard plate
The end PC is transported in kilomega network oral instructions, completes the acquisition, storage, transmission of entire data.
For above method, for system transplantation problem, this method is only limited to ZYNQ model etc. and is integrated with ARM series
Chip can not transplant purely logical routine FPGA；For logical resource and human cost, ZYNQ internal logic resource and
The end PL IO is not too sufficient, and developer requires height, should operate and be familiar with to ARM, to operate yet and be familiar with to FPGA, cost phase
It is higher for；For the whole system speed of service, PL end data is stored in DDR by the end PS by which, and is read by the end PS
Out, it needs FPGA to cooperate with processing with ARM, compares purely logical FPGA and acquired using the mode of full parellel, store, transmit data,
ZYNQ development scheme speed is relatively slow for；For sweep method, the common end PS controls the end PL, then is controlled by the end PL
AD9361 sweep method speed processed is not too fast；For storage mode, single channel storage and read-write mode, for multiple logical
The requirement that track data will be stored and be read simultaneously does not readily satisfy, and real-time is lower for, so need a kind of new
The acquisition of type, storage, transmission mode solve the deficiency of which.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, and provide a kind of unmanned plane figure pass and remote signal it is quick
General acquisition device and acquisition method.This installation cost is low, be easily achieved, real-time is good, versatile, easy to operate.This
Kind method can determine 70MHZ to 6GHZ wireless signal acquisition frequently, the frequency range progress for scheming biography and remote signal common to unmanned plane
Rapid frequency-sweeping acquisition carries out storage to the extensive real time data of acquisition and 8 channels are asynchronous reads while write.
Realizing the technical solution of the object of the invention is:
A kind of unmanned plane figure passes and the Universal-purpose quick acquisition device of remote signal, unlike the prior art, including FPGA plate
With the AD9361 daughter board being connect with FPGA plate by FMC connection type and be bi-directionally connected that mode is connect by IO with FPGA plate thousand
Million network interface expansion board, wherein by the external end PC of serial ports, FPGA plate controls gigabit network interface expansion board and beats acquisition data FPGA plate
Biography is wrapped, FPGA control serial ports simultaneously achievees the purpose that control whole device to serial port protocol parsing.
The FPGA plate uses dark fund development board AX7325, is internally integrated FPGA, DDR3 of XC7K325TIFFG900
Memory bar, FMC expansion interface, serial ports and temperature sensor LM75.
The gigabit network interface expansion board is dark fund gigabit network interface expansion board.
The AD9361 daughter board is ADI business valuation studies plate.
Using the acquisition method of the Universal-purpose quick acquisition device of above-mentioned unmanned plane figure biography and remote signal, including walk as follows
It is rapid:
1) FPGA controls AD9361 initialization: ordered pair radio frequency agile transceiver AD9361 configuration related deposit when FPGA controls SPI
Device makes its initialization, and register is shown in official manual AD9361_Register_Map_Reference_Manual_UG-671；
2) the fixed frequency of AD9361 binary channels, the acquisition of broadband frequency sweep: the end PC controls FPGA by serial port command and enters binary channels frequency sweep mould
Formula, FPGA control the ROM module generated by the IP kernel of Vivado, and there is AD9361 frequency register information inside, carry out quick
Ordered pair AD9361 is configured when recycling and read, and passing through SPI, quick to 2.3GHZ-2.5GHZ, 5.7GHZ-5.9GHZ frequency range
Frequency sweep acquisition if the end PC sends the register of corresponding frequencies by serial ports, then is written the register by SPI timing by FPGA
In AD9361 chip, the fixed frequency of binary channels can be carried out to AD9361 and is acquired；
3) acquisition data carry out multichannel distribution: radio frequency agile transceiver AD9361 frequency sweep or fixed frequency acquisition data, respectively logical
The road I in road 1, the road Q in channel 1, the road I in channel 2, channel 2 the road Q, and the IQ two paths of data in channel 1 and channel 2 is integrated,
I is low level, and Q is a high position, and gather together enough 6 circuit-switched datas；
4) acquire the FFT processing of data: the IQ two-way integral data branch path in channel 1 and channel 2 is carried out FFT processing by FPGA,
It is realized using the IP of Xilinx, therefore data channel is divided into 8 tunnels, is 6 tunnels described in step 3) and 2 tunnels that this step generates respectively；
5) 8 channel datas asynchronous storage transmission: FPGA controls DDR3 memory bar and carries out asynchronous quick storage and different to 8 channel datas
Step quickly output, reaches multi-channel and high capacity data buffer storage purpose, does caching effect for follow-up data processing；
6) FPGA plate temperature control protection is handled: the end PC sends order by serial ports and controls the fan on FPGA plate, passes through
LM75 on FPGA plate acquires Current Temperatures, according to current temperature value, is accordingly controlled in real time FPGA plate, including certainly to fan
Dynamic control, fan are normally opened, fan often closes, and reach protection hardware, reduce power effect；
7) acquire the kilomega network transmission of data: the end PC sends order 8 channel datas described in step 5) by serial ports and selects
Selecting property is transmitted to kilomega network oralia, and kilomega network oralia carries out packing processing to the data, and each bag data is 640byte, uses
Udp protocol mode is sent to the end PC, completes acquisition, storage, transmission to entire unmanned plane figure biography and remote signal.
The advantages of the technical program is that the device and method passes through FPGA using internal storage storage register information, is led to
Host computer one instruction is crossed, can both realize that AD9361 carried out binary channels quickly uninterrupted frequency sweep, this method operation to corresponding band
Simply, be easy to transplant, speed it is fast, furthermore the method use multichannel DDR3 technology, which realizes multiple channel datas
Asynchronous real-time read-write and mass data storage, transmission, carry out analysis and algorithm to multichannel real-time data collection convenient for the end PC
Processing, and the device and method realizes the control to whole device by serial ports, not only passes and is remotely controlled to unmanned plane figure and believes
Number implement acquisition, can also to any wireless signal of 70MHZ-6GHZ implement acquire, it is versatile, it is easy to operate.
This installation cost is low, is easily achieved, is versatile, easy to operate.This method can to 70MHZ to 6GHZ without
Line signal determines frequency detection, carries out rapid frequency-sweeping, to the extensive reality of acquisition to the frequency range of the common figure biography of unmanned plane and remote signal
When data carry out storage and 8 channels are asynchronous reads while write.
Detailed description of the invention
Fig. 1 is the apparatus structure schematic diagram in embodiment；
Fig. 2 is the method flow schematic diagram in embodiment.
Specific embodiment
The content of present invention is further elaborated with reference to the accompanying drawings and examples, but is not limitation of the invention.
Embodiment:
Referring to Fig.1, a kind of unmanned plane figure passes and the Universal-purpose quick acquisition device of remote signal, including FPGA plate and logical with FPGA plate
It crosses the AD9361 daughter board of FMC connection type connection and the gigabit network interface that mode is connect is bi-directionally connected by IO with FPGA plate and extend
Plate, wherein by the external end PC of serial ports, FPGA plate controls gigabit network interface expansion board and is packaged upload, FPGA to acquisition data FPGA plate
Control serial ports simultaneously achievees the purpose that control whole device to serial port protocol parsing.
The FPGA plate uses dark fund development board AX7325, is internally integrated FPGA, DDR3 of XC7K325TIFFG900
Memory bar, FMC expansion interface, serial ports and temperature sensor LM75.
The gigabit network interface expansion board is dark fund gigabit network interface expansion board.
The AD9361 daughter board is ADI business valuation studies plate.
Using the acquisition method of the Universal-purpose quick acquisition device of above-mentioned unmanned plane figure biography and remote signal, including walk as follows
Suddenly, as shown in Figure 2:
1) FPGA controls AD9361 initialization: ordered pair radio frequency agile transceiver AD9361 configuration related deposit when FPGA controls SPI
Device makes its initialization, and register is shown in official manual AD9361_Register_Map_Reference_Manual_UG-671；
2) the fixed frequency of AD9361 binary channels, the acquisition of broadband frequency sweep: the end PC controls FPGA by serial port command and enters binary channels frequency sweep mould
Formula, FPGA control the ROM module generated by the IP kernel of Vivado, and there is AD9361 frequency register information inside, carry out quick
Ordered pair AD9361 is configured when recycling and read, and passing through SPI, quick to 2.3GHZ-2.5GHZ, 5.7GHZ-5.9GHZ frequency range
Frequency sweep acquisition if the end PC sends the register of corresponding frequencies by serial ports, then is written the register by SPI timing by FPGA
In AD9361 chip, the fixed frequency of binary channels can be carried out to AD9361 and is acquired；
3) acquisition data carry out multichannel distribution: radio frequency agile transceiver AD9361 frequency sweep or fixed frequency acquisition data, respectively logical
The road I in road 1, the road Q in channel 1, the road I in channel 2, channel 2 the road Q, and the IQ two paths of data in channel 1 and channel 2 is integrated,
I is low level, and Q is a high position, and gather together enough 6 circuit-switched datas；
4) acquire the FFT processing of data: the IQ two-way integral data branch path in channel 1 and channel 2 is carried out FFT processing by FPGA,
It is realized using the IP of Xilinx, therefore data channel is divided into 8 tunnels, is 6 tunnels described in step 3) and 2 tunnels that this step generates respectively；
5) 8 channel datas asynchronous storage transmission: FPGA controls DDR3 memory bar and carries out asynchronous quick storage and different to 8 channel datas
Step quickly output, reaches multi-channel and high capacity data buffer storage purpose, does caching effect for follow-up data processing；
6) FPGA plate temperature control protection is handled: the end PC sends order by serial ports and controls the fan on FPGA plate, passes through
LM75 on FPGA plate acquires Current Temperatures, according to current temperature value, is accordingly controlled in real time FPGA plate, including certainly to fan
Dynamic control, fan are normally opened, fan often closes, and reach protection hardware, reduce power effect；
7) acquire the kilomega network transmission of data: the end PC sends order 8 channel datas described in step 5) by serial ports and selects
Selecting property is transmitted to kilomega network oralia, and kilomega network oralia carries out packing processing to the data, and each bag data is 640byte, uses
Udp protocol mode is sent to the end PC, completes acquisition, storage, transmission to entire unmanned plane figure biography and remote signal.
Claims (4)
1. a kind of unmanned plane figure passes and the Universal-purpose quick acquisition device of remote signal, characterized in that including FPGA plate and and FPGA
The AD9361 daughter board and the gigabit network interface expansion that mode is connect is bi-directionally connected by IO with FPGA plate that plate is connected by FMC connection type
Panel, wherein FPGA plate passes through the external end PC of serial ports.
2. unmanned plane figure according to claim 1 passes and the Universal-purpose quick acquisition device of remote signal, characterized in that described
FPGA plate uses dark fund development board AX7325, is internally integrated FPGA, DDR3 memory bar of XC7K325TIFFG900, FMC expands
Open up interface, serial ports and temperature sensor LM75.
3. unmanned plane figure according to claim 1 passes and the Universal-purpose quick acquisition device of remote signal, characterized in that described
Gigabit network interface expansion board is dark fund gigabit network interface expansion board.
4. the acquisition method of the Universal-purpose quick acquisition device of the biography of unmanned plane figure described in 3 any one and remote signal is weighed with power 1-,
It is characterized in that including the following steps:
1) FPGA controls AD9361 initialization: ordered pair radio frequency agile transceiver AD9361 configuration related deposit when FPGA controls SPI
Device makes its initialization, and register is shown in official manual AD9361_Register_Map_Reference_Manual_UG-671；
2) the fixed frequency of AD9361 binary channels, the acquisition of broadband frequency sweep: the end PC controls FPGA by serial port command and enters binary channels frequency sweep mould
Formula, FPGA control the ROM module generated by the IP kernel of Vivado, and there is AD9361 frequency register information inside, carry out quick
Ordered pair AD9361 is configured when recycling and read, and passing through SPI, quick to 2.3GHZ-2.5GHZ, 5.7GHZ-5.9GHZ frequency range
Frequency sweep acquisition if the end PC sends the register of corresponding frequencies by serial ports, then is written the register by SPI timing by FPGA
In AD9361 chip, the fixed frequency of binary channels can be carried out to AD9361 and is acquired；
3) acquisition data carry out multichannel distribution: radio frequency agile transceiver AD9361 frequency sweep or fixed frequency acquisition data, respectively logical
The road I in road 1, the road Q in channel 1, the road I in channel 2, channel 2 the road Q, and the IQ two paths of data in channel 1 and channel 2 is integrated,
I is low level, and Q is a high position, and gather together enough 6 circuit-switched datas；
4) acquire the FFT processing of data: the IQ two-way integral data branch path in channel 1 and channel 2 is carried out FFT processing by FPGA,
It is realized using the IP of Xilinx, therefore data channel is divided into 8 tunnels, is 6 tunnels described in step 3) and 2 tunnels that this step generates respectively；
5) 8 channel datas asynchronous storage transmission: FPGA controls DDR3 memory bar and carries out asynchronous quick storage and different to 8 channel datas
Step quickly output；
6) FPGA plate temperature control protection is handled: the end PC sends order by serial ports and controls the fan on FPGA plate, passes through
LM75 on FPGA plate acquires Current Temperatures, according to current temperature value, is accordingly controlled in real time FPGA plate, including certainly to fan
Dynamic control, fan are normally opened, fan often closes；
7) acquire the kilomega network transmission of data: the end PC sends order 8 channel datas described in step 5) by serial ports and selects
Selecting property is transmitted to kilomega network oralia, and kilomega network oralia carries out packing processing to the data, and each bag data is 640byte, uses
Udp protocol mode is sent to the end PC, completes acquisition, storage, transmission to entire unmanned plane figure biography and remote signal.
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| CN114328346A (en) * | 2021-12-14 | 2022-04-12 | 中航洛阳光电技术有限公司 | Logic IP core for expanding parallel interface |
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