CN107450056A - A kind of phased array surveillance radar target jamming generates system - Google Patents
A kind of phased array surveillance radar target jamming generates system Download PDFInfo
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- CN107450056A CN107450056A CN201710684165.9A CN201710684165A CN107450056A CN 107450056 A CN107450056 A CN 107450056A CN 201710684165 A CN201710684165 A CN 201710684165A CN 107450056 A CN107450056 A CN 107450056A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/38—Jamming means, e.g. producing false echoes
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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a kind of phased array surveillance radar target jamming to generate system, including Radiative antenna elements, AGC control unit, interference transmitter unit, target transmitting unit, frequency synthesizer, IF processing unit and control computer;AGC control unit, interference transmitter unit, target transmitting unit and IF processing unit are connected with control computer, frequency synthesizer is connected with AGC control unit, interference transmitter unit, target transmitting unit and IF processing unit respectively, AGC control unit, interference transmitter unit and target transmitting unit are connected with Radiative antenna elements, and IF processing unit is connected with AGC control unit, interference transmitter unit and target transmitting unit respectively.The present invention possesses target and interference output function simultaneously, can not only meet the simulation demand of radar calibration test, can also meet the simulation demand of target acquisition ability test of the radar under interference environment.
Description
Technical field
The present invention relates to a kind of phased array surveillance radar target jamming to generate system, belongs to phased array target and jam simulation skill
Art field.
Background technology
Due to the high technology industry in the anti-interference analogue technique of phased array target and jam simulation technology category surveillance radar, at present still
The flourishing stage is not stepped into, is new high-tech product, especially in military domain, there is not yet phased array target and jam simulation technology maturation
Using.Needed with the combat exercise and training of red blue electronic countermeasure, there is an urgent need to study phased array target and jam simulation technology.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of phased array surveillance radar target jamming to generate system.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of phased array surveillance radar target jamming generates system, it is characterised in that:It is single including Radiative antenna elements, AGC controls
Member, interference transmitter unit, target transmitting unit, frequency synthesizer, IF processing unit and control computer;
AGC control unit, interference transmitter unit, target transmitting unit and IF processing unit are connected with control computer, frequency
Comprehensive unit is connected with AGC control unit, interference transmitter unit, target transmitting unit and IF processing unit respectively, and AGC controls are single
Member, interference transmitter unit and target transmitting unit are connected with Radiative antenna elements, and IF processing unit controls single with AGC respectively
Member, interference transmitter unit connect with target transmitting unit;
AGC control unit, radar signal is received, and complete the frequency conversion of radar signal, during the radar signal after frequency conversion is sent to
Frequency processing unit;Receive the RF local oscillator signal that frequency synthesizer is sent;Receive that control computer sends from gain control signal,
Complete to control from gain;
Frequency synthesizer, connect offer to AGC control unit, interference transmitter unit, target transmitting unit with IF processing unit and penetrate
Frequency local oscillation signal;
IF processing unit, receive the RF local oscillator signal that frequency synthesizer is sent;After receiving the frequency conversion that AGC control unit is sent
Radar signal, radar signal measurement is carried out, and measurement result is sent to control computer;Produce interference signal and target letter
Number, and interference signal and echo signal are sent respectively to interference transmitter unit and target transmitting unit;
Transmitter unit is disturbed, interference signal is radiated Radiative antenna elements;
Target transmitting unit, echo signal is radiated Radiative antenna elements;
Control computer, the operation in the function scheduling of whole system and echo signal and interference signal generating process.
Radiative antenna elements include antenna, signal circulator and synthesizer;Signal annular utensil has signal output part, signal
Input and antenna connection terminal, antenna are connected with the antenna connection terminal of signal circulator, output end and the signal annular of synthesizer
The signal input part connection of device, the input of synthesizer connect the output end of interference transmitter unit and target transmitting unit respectively,
The signal output part of signal circulator and the input of AGC control unit connect.
AGC control unit includes connected AGC unit and rf receiver unit, AGC unit respectively with Radiative antenna elements
Connected with control computer, rf receiver unit is connected with IF processing unit, frequency synthesizer and control computer respectively.
Frequency synthesizer signal element includes crystal oscillator unit and the signal frequency conversion unit being sequentially connected, signal frequency conversion unit output end point
It is not connected with AGC control unit, interference transmitter unit, target transmitting unit and IF processing unit.
IF processing unit includes the AD components, FPGA signal processing units and the DA components that are sequentially connected, AD components it is defeated
Enter end and connect frequency synthesizer signal element and AGC control unit respectively, the output end of DA components connects interference transmitter unit, target respectively
Transmitter unit connects with IF processing unit.
Transmitter unit is disturbed to include connected Radio frequency interference transmitter unit and power amplifier, Radio frequency interference transmitter unit is respectively with
Frequency processing unit, frequency synthesizer are connected with control computer, and power amplifier is connected with Radiative antenna elements.
Target transmitting unit includes radio frequency target transmitting unit, Radio frequency interference transmitter unit respectively with IF processing unit,
Frequency synthesizer, control computer connect with Radiative antenna elements.
Also include GPS unit, GPS unit includes GPS information reception device and unmanned aerial vehicle platform, GPS information reception device
It is arranged on unmanned aerial vehicle platform, GPS information reception device is connected with control computer.
The beneficial effect that the present invention is reached:The present invention possesses target and interference output function simultaneously, can not only meet
The simulation demand of radar calibration test, the simulation need of target acquisition ability test of the radar under interference environment can also be met
Ask, suitable for military domains such as radar site examination, the red blue force's maneuvers of electronics, radar exfactory inspections, can meet to be tested
It the combat training of radar system, can also meet the manufacture testing requirement of conventional study institute radar, both be anticipated with defense strategy
Justice, again there is very high practical engineering application to be worth, and market prospects are extremely wide.
Brief description of the drawings
Fig. 1 is the structured flowchart of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, a kind of phased array surveillance radar target jamming generation system, including Radiative antenna elements, AGC control
Unit, interference transmitter unit, target transmitting unit, frequency synthesizer, IF processing unit, control computer and GPS unit.
AGC control unit, interference transmitter unit, target transmitting unit, IF processing unit and GPS unit are counted with control
Calculation machine connects, and frequency synthesizer connects with AGC control unit, interference transmitter unit, target transmitting unit and IF processing unit respectively
Connect, AGC control unit, interference transmitter unit and target transmitting unit are connected with Radiative antenna elements, IF processing unit point
It is not connected with AGC control unit, interference transmitter unit and target transmitting unit.
Radiative antenna elements:To receiving and transmitting signal.Radiative antenna elements include antenna, signal circulator and synthesizer;Letter
Number circulator has signal output part, signal input part and antenna connection terminal, and the antenna connection terminal of antenna and signal circulator connects
Connect, the output end of synthesizer is connected with the signal input part of signal circulator, and the input of synthesizer connects interference transmitting respectively
The output end of unit and target transmitting unit, the signal output part of signal circulator and the input of AGC control unit connect.Close
Domestic high-performance synthesizer can be used by growing up to be a useful person, model TIGER TGP-A0232, and synthesis decay is less than 2dB, and circulator uses state
High performance device, the MO THXKu1Ba3, isolation 30dB or so of Fengcheng are produced, antenna uses domestic broadband quadruple ridged horn antenna,
Antenna gain is more than 10dB.
AGC control unit:Radar signal is received, and completes the frequency conversion of radar signal, the radar signal after frequency conversion is sent
To IF processing unit;Receive the RF local oscillator signal that frequency synthesizer is sent;Receive being controlled from gain for control computer transmission
Signal, complete to control from gain.AGC control unit includes connected AGC unit and rf receiver unit, AGC unit respectively with
Radiative antenna elements are connected with control computer, and rf receiver unit is counted with IF processing unit, frequency synthesizer and control respectively
Calculation machine connects.
IF processing unit:Receive the RF local oscillator signal that frequency synthesizer is sent;Receive the frequency conversion that AGC control unit is sent
Radar signal afterwards, radar signal measurement is carried out, and measurement result is sent to control computer;Produce interference signal and target
Signal, and interference signal and echo signal are sent respectively to interference transmitter unit and target transmitting unit.IF processing unit
Including the AD components, FPGA signal processing units and DA components being sequentially connected, the input of AD components connects frequency synthesizer signal respectively
Unit and AGC control unit, the output end of DA components connect interference transmitter unit, target transmitting unit and IF process list respectively
Member connection.During system initialization, AD components are sampled and changed to radar signal, and FPGA signal processing units carry out radar letter
Number measurement, and measurement result is sent to by control computer by DA components, carry out AGC controls;After initialization, AD components are to thunder
Sampled, and changed up to signal and RF local oscillator signal, by FPGA signal processing units modulation after, obtain interference signal and
Echo signal, interference signal and echo signal are separately sent to by interference transmitter unit and target transmitting unit by DA components.
AD components can use 8bit 3Gsps A/D converters ADC083000, the DA component of AD companies to use the 12bit of EUVIS companies
4Gsps DA converters MD652D, FPGA signal processing unit can use Xilinx Virtex5 Series FPGAs XC5VSX95T-
2FF1136。
Disturb transmitter unit:Interference signal is radiated Radiative antenna elements.Transmitter unit is disturbed to include connected radio frequency
Transmitter unit and power amplifier are disturbed, Radio frequency interference transmitter unit connects with IF processing unit, frequency synthesizer and control computer respectively
Connect, power amplifier is connected with Radiative antenna elements.Radio frequency interference transmitter unit includes frequency mixer, attenuator and the amplification being sequentially connected
Device, interference signal are input to frequency mixer, the frequency signal needed, then by attenuator and amplifier, make system possess to
Flexible control function, frequency mixer model MM93PG-30 used herein, attenuator model DATT-0418, dynamic
60dB, double stage tandem can reach more than 110dB, Amplifier Model A397, and the solid-state of TRIQUIT companies can be used in power amplifier
Power amplifier TGA2509, the signal power of power amplifier output is 1W, and interference signal hair is completed by using so more devices
Penetrate.
Target transmitting unit:Echo signal is radiated Radiative antenna elements.Target transmitting unit includes connected radio frequency
Target transmitting unit, Radio frequency interference transmitter unit respectively with IF processing unit, frequency synthesizer, control computer and radiating antenna
Unit connects.The structure of target transmitting unit is consistent with the structure of Radio frequency interference transmitter unit.
Frequency synthesizer:Connect and carry with IF processing unit to AGC control unit, interference transmitter unit, target transmitting unit
For RF local oscillator signal.Frequency synthesizer signal element includes crystal oscillator unit and the signal frequency conversion unit being sequentially connected, signal frequency conversion unit
Output end is connected with AGC control unit, interference transmitter unit, target transmitting unit and IF processing unit respectively.By crystal oscillator list
Member provides signal origin, the RF local oscillator signal of the various frequencies required for signal frequency conversion unit output system.Crystal oscillator unit can
Using the steady low noise constant-temperature crystal oscillator of the height of Mitech companies, its phase noise reaches -155dBc/Hz@1kHz, signal frequency conversion unit bag
The frequency mixer being sequentially connected, wave filter and amplifier, signal origin input mixer are included, amplifier exports RF local oscillator signal,
Frequency mixer and amp reference Radio frequency interference transmitter unit use model.
Control computer:Computing work in the function scheduling of whole system and echo signal and interference signal generating process
Make.Control computer uses high-performance veneer control computer, using the cPCI6880 boards of ADLink companies, double-core processing
Device, onboard 4G Flash flash memories, low-power consumption, high-performance real time operating system and software are installed in control computer, such as:Wind river
The VxWorks system of company, meets high real-time, can cut and the ability such as multi-task scheduling.
GPS unit:The accurate record time for completing experimental data obtains, while can be provided for phased-array radar true to nature
The simulation of target and the motion feature of interference.GPS unit includes GPS information reception device and unmanned aerial vehicle platform, and GPS information receives
Device is arranged on unmanned aerial vehicle platform, and GPS information reception device is connected with control computer.GPS receiver device can use
The OEMStarGPS of NovAtel companies, 1.5 meters, data updating rate 10Hz of positioning precision, unmanned aerial vehicle platform can use domestic height
Performance unmanned aerial vehicle platform, while series is passed using the FY605 numbers of Guilin Fei Yu companies, enter row data communication, complete remote control equipment.
Said system possesses target and interference output function simultaneously, can not only meet the simulation need of radar calibration test
Ask, the simulation demand of target acquisition ability test of the radar under interference environment can also be met, examined suitable for radar site,
The military domains such as the red blue force's maneuvers of electronics, radar exfactory inspection, the combat training for being tested radar system can be met, also may be used
Meet the manufacture testing requirement of conventional study institute radar, both with defense strategy meaning, there is very high Practical Project again
Application value, market prospects are extremely wide.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of phased array surveillance radar target jamming generates system, it is characterised in that:Controlled including Radiative antenna elements, AGC
Unit, interference transmitter unit, target transmitting unit, frequency synthesizer, IF processing unit and control computer;
AGC control unit, interference transmitter unit, target transmitting unit and IF processing unit are connected with control computer, frequency
Comprehensive unit is connected with AGC control unit, interference transmitter unit, target transmitting unit and IF processing unit respectively, and AGC controls are single
Member, interference transmitter unit and target transmitting unit are connected with Radiative antenna elements, and IF processing unit controls single with AGC respectively
Member, interference transmitter unit connect with target transmitting unit;
AGC control unit, radar signal is received, and complete the frequency conversion of radar signal, during the radar signal after frequency conversion is sent to
Frequency processing unit;Receive the RF local oscillator signal that frequency synthesizer is sent;Receive that control computer sends from gain control signal,
Complete to control from gain;
Frequency synthesizer, connect offer to AGC control unit, interference transmitter unit, target transmitting unit with IF processing unit and penetrate
Frequency local oscillation signal;
IF processing unit, receive the RF local oscillator signal that frequency synthesizer is sent;After receiving the frequency conversion that AGC control unit is sent
Radar signal, radar signal measurement is carried out, and measurement result is sent to control computer;Produce interference signal and target letter
Number, and interference signal and echo signal are sent respectively to interference transmitter unit and target transmitting unit;
Transmitter unit is disturbed, interference signal is radiated Radiative antenna elements;
Target transmitting unit, echo signal is radiated Radiative antenna elements;
Control computer, the operation in the function scheduling of whole system and echo signal and interference signal generating process.
A kind of 2. phased array surveillance radar target jamming generation system according to claim 1, it is characterised in that:Radiate day
Line unit includes antenna, signal circulator and synthesizer;Signal annular utensil has signal output part, signal input part and antenna to connect
End is connect, antenna is connected with the antenna connection terminal of signal circulator, the output end of synthesizer and the signal input part of signal circulator
Connection, the input of synthesizer connect the output end of interference transmitter unit and target transmitting unit, the letter of signal circulator respectively
The input of number output end and AGC control unit connects.
A kind of 3. phased array surveillance radar target jamming generation system according to claim 1, it is characterised in that:AGC is controlled
Unit processed includes connected AGC unit and rf receiver unit, and AGC unit connects with Radiative antenna elements and control computer respectively
Connect, rf receiver unit is connected with IF processing unit, frequency synthesizer and control computer respectively.
A kind of 4. phased array surveillance radar target jamming generation system according to claim 1, it is characterised in that:Frequency synthesizer is believed
Number unit includes crystal oscillator unit and the signal frequency conversion unit being sequentially connected, and signal frequency conversion unit output end controls single with AGC respectively
Member, interference transmitter unit, target transmitting unit connect with IF processing unit.
A kind of 5. phased array surveillance radar target jamming generation system according to claim 1, it is characterised in that:At intermediate frequency
Reason unit includes AD conversion unit, FPGA signal processing units and the DA components being sequentially connected, and the input of AD components connects respectively
Connect frequency synthesizer signal element and AGC control unit, the output ends of DA components connect respectively interference transmitter unit, target transmitting unit and
IF processing unit connects.
A kind of 6. phased array surveillance radar target jamming generation system according to claim 1, it is characterised in that:Interference hair
Penetrating unit includes connected Radio frequency interference transmitter unit and power amplifier, Radio frequency interference transmitter unit respectively with IF processing unit, frequency
Comprehensive unit is connected with control computer, and power amplifier is connected with Radiative antenna elements.
A kind of 7. phased array surveillance radar target jamming generation system according to claim 1, it is characterised in that:Target is sent out
Penetrating unit includes radio frequency target transmitting unit, and Radio frequency interference transmitter unit is counted with IF processing unit, frequency synthesizer, control respectively
Calculation machine connects with Radiative antenna elements.
A kind of 8. phased array surveillance radar target jamming generation system according to claim 1, it is characterised in that:Also include
GPS unit, GPS unit include GPS information reception device and unmanned aerial vehicle platform, and GPS information reception device is arranged on unmanned plane and put down
On platform, GPS information reception device is connected with control computer.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111459086A (en) * | 2020-03-30 | 2020-07-28 | 深圳市科楠科技开发有限公司 | System and method for realizing scaler control and data processing |
CN113884993A (en) * | 2021-09-03 | 2022-01-04 | 北京航天华腾科技有限公司 | Electronic countermeasure apparatus and electronic countermeasure method |
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CN102608582A (en) * | 2012-02-02 | 2012-07-25 | 北京航空航天大学 | Carrier-borne full-coherent phased-array radar calibrator |
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CN111459086A (en) * | 2020-03-30 | 2020-07-28 | 深圳市科楠科技开发有限公司 | System and method for realizing scaler control and data processing |
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CN113884993B (en) * | 2021-09-03 | 2022-08-09 | 北京航天华腾科技有限公司 | Electronic countermeasure apparatus and electronic countermeasure method |
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Application publication date: 20171208 |