CN207717968U - A kind of active-passive integratedization unjammable radar device - Google Patents
A kind of active-passive integratedization unjammable radar device Download PDFInfo
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- CN207717968U CN207717968U CN201721902654.9U CN201721902654U CN207717968U CN 207717968 U CN207717968 U CN 207717968U CN 201721902654 U CN201721902654 U CN 201721902654U CN 207717968 U CN207717968 U CN 207717968U
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Abstract
The utility model discloses a kind of active-passive integratedization unjammable radar devices, the radar ontology constituted with evil spirit T including shell and exploring antenna, T/R components and power splitter, and power module, receiver, display module, control process module, signal processing module and passive immunity module, further include having active immunity module, the active immunity module includes transmitted waveform generation module, frequency synthesizer and interference detection module；The utility model is on the basis of radar passive interference protection measure, increase radar active anti-interference ability, according to the different radar emission waveform of radar working electromagnet environmental selection, emit the radar waveform of different repetition rates, emit radar shielding pulse etc., radar active anti-interference ability is improved in terms of emitting signal waveform；Interfering frequency around radar is perceived by interference detection module, to change radar working frequency points in real time, avoid interference frequency, promotes radar active anti-interference ability.
Description
Technical field
The utility model is related to Anti-jamming Technology for Radar fields, more particularly to a kind of active-passive integratedization unjammable radar dress
It sets.
Background technology
In recent years, with the rapid development of electronic interferences technology, lead to the working electromagnet environment that modern radar faces increasingly
It is complicated.The gate stealing especially grown rapidly in recent years is right with its pattern the features such as more, using flexible, strong antagonism
Conventional radar, which constitutes, to be seriously threatened.In order to cope with above-mentioned threat, modern radar mostly uses certain interference protection measure, mainly
Including：Low sidelobe antenna, frequency agility, pulse compression, MTD etc..If radar is interfered, radar will take certain resisting to do
It disturbs measure and carries out radar electronic warfare.
But radar use above-mentioned Anti-Jamming Technique mainly from hide interference, reduce interference effect from the point of view of,
Anti-jamming Technology for Radar is in the situation of passive protection, and Radar cross-section redaction effect is general, can not adapt to Complicated Electromagnetic Environment in Battlefield,
Radar is on a sticky wicket in electronic countermeasure.
Utility model content
The purpose of this utility model is to provide a kind of active-passive integratedization unjammable radar device, can overcome existing radar
Interference protection measure only has passive interference protection measure to cause the insufficient defect of Anti-jamming Ability for Radar, improves the anti-interference energy of radar
Power solves adaptability of the radar in modern complex electromagnetic environment.
The technical solution adopted in the utility model is：
A kind of active-passive integratedization unjammable radar device, including shell and the radar detection antenna being arranged on shell,
The radar ontology that T/R components and power splitter are constituted with evil spirit T, and be arranged in shell power module, receiver, show mould
Block, control process module, signal processing module and passive immunity module further include having active immunity module, the master
Dynamic immunity module includes the transmitted waveform generation module that required waveform is generated for controlling transmitting, for the waveform to generation
The frequency synthesizer handled and the interference detection module for the electromagnetic interference environment in reconnaissance radar working frequency range；It is described
Transmitted waveform generation module output end rate of connections synthesizer input terminal, frequency synthesizer output end connection power splitter with
The waveform of generation is radiate by magic T by antenna；The interference detection module further includes having interference detection antenna, interference
The output end of exploring antenna connects the input terminal of interference detection module by receiver, and the output end of control process module connects respectively
The input terminal of transmitted waveform generation module and display module is connect, control process module is connected by signal processing module with receiver
It connects；Signal processing module is connected with interference detection module.
The radar detection antenna and interference detection antenna is in a front, and the two carries out total aperture integration and sets
It sets.
The transmitted waveform generation module includes DDS chips AD9914, fpga chip XC6VHX255T and it is corresponding
Peripheral circuit composition, required a variety of transmitted waveforms are generated by DDS.
The frequency synthesizer includes transmitting generation circuit, a local oscillator generation circuit and two local oscillator generation circuits and phase
The peripheral circuit answered.
The utility model increases radar active anti-interference ability, according to thunder on the basis of radar passive interference protection measure
The radar emission waveform different up to working electromagnet environmental selection emits the radar waveform of different repetition rates, transmitting radar shielding
Pulse etc. improves radar active anti-interference ability in terms of emitting signal waveform；It is perceived around radar by interference detection module
Interfering frequency, to change radar working frequency points in real time, avoid interference frequency, promotes radar active anti-interference ability.
Description of the drawings
Fig. 1 is the schematic block circuit diagram of the utility model.
Specific implementation mode
As shown in Figure 1, the utility model include shell and radar detection antenna on shell, T/R components and
The radar front end that power splitter is constituted with evil spirit T, and power module in shell, signal processing module, data processing and
Display module, control process module further include having active immunity module, and the active immunity module includes for controlling
System transmitting generate needed for the transmitted waveform generation module of waveform, the signal processing module that is handled for the waveform to generation and
Interference detection module for the electromagnetic interference environment in reconnaissance radar working frequency range；The transmitted waveform generation module it is defeated
Outlet rate of connections synthesizer input terminal, output end connection power splitter and the evil spirit T of frequency synthesizer, by antenna by the wave of generation
Shape is radiate；The interference detection module includes interference detection antenna, and the output end of interference detection antenna passes through reception
Machine connects the input terminal of interference detection module.The radar detection antenna and one front of interference detection antenna duplexer, the two
Carry out total aperture integrated setting.
The transmitted waveform generation module includes DDS chips AD9914, fpga chip XC6VHX255T and corresponding
Peripheral circuit forms, and required a variety of transmitted waveforms are generated by DDS.
The frequency synthesizer includes transmitting generation circuit, a local oscillator generation circuit and two local oscillator generation circuits and phase
The peripheral circuit answered, total are a box body, are combined the processing such as superposition to waveform according to specific needs, due to its knot
Structure composition is a variety of, what this system used be also carry out selection design according to demand, but principle is known technology in field, so
Its specific structure that details are not described herein.
The utility model increases active Anti-Jamming Technique on the basis of existing radar passive interference protection measure, carries out one
Bodyization designs, since existing radar emission waveform is relatively simple, one to two kinds of signal forms of generally use, and signal parameter is solid
It is fixed, it is easy to be scouted to interfere one's own side's radar by other side.The utility model uses transmitted waveform generation module, generates more
Kind radar detection signal waveform, including phase-coded signal, linear FM signal, NLFM signal, combination signal etc., and
Transmitted waveform signal parameter can set variable, transmitted waveform flexibility and changeability（Repetition shake, shielding pulse）, therefore use transmitted waveform
Generation module can be suppressed in the case where not influencing radar data reduction, confuses, inveigle other side's reconnaissance plane, its jammer is forced
Blindness, invalid interference are carried out, anti-jamming ability of radar is promoted.
Secondly, the utility model is using the electromagnetic interference environment in interference detection module reconnaissance radar working frequency range, to dry
It disturbs radiation signal to be scouted, detected and identified, the running parameter of interference signal is measured and analyzed, therefrom obtain interference
Signal message is extracted relevant interference parameter and is carried out with the anti-interference decision of backup radar to use suitable interference protection measure
Targetedly fight.
On the whole, the passive anti-interference function module of radar master is carried out integration and set by the utility model in structure design
Meter mitigates system weight, volume, power consumption, improves systems integration.In terms of integrated design, system is designed radar detection
Considered with interference detection, includes mainly the following aspects：Radar detection antenna is total to interference detection antenna
Aperture integrated design；Radar detection is provided with clock signal by frequency synthesizer module with the required frequency of interference detection；Radar is visited
Processing module is surveyed to be handled by same Signal transacting board analysis with interference detection processing module；Radar detection and interference detection number
Display control is also carried out by an industrial personal computer with display control module according to processing.Pass through considering for above-mentioned several aspects, thunder
Multiple extension set modules are shared with interference detection function, in structure in comprehensive integration a to shell structure, greatly reduce up to detection
Volume, weight and power consumption, change the defect of traditional radar detection and interference detection discrete design, effectively realize radar
Main passive anti-interference ability.
After radar is using active-passive integratedization Anti-Jamming Technique measure of the invention, complex electromagnetic environment synthesis examination has been carried out
It tests, after test result shows the passive Anti-Jamming Technique measure of radar integrated use master, Anti-jamming Ability for Radar increases.
Claims (4)
1. a kind of active-passive integratedization unjammable radar device, including shell and the radar detection antenna, the T/R that are arranged on shell
The radar ontology of component and power splitter and evil spirit T compositions, and be arranged in shell power module, receiver, display module,
Control process module, signal processing module and passive immunity module, it is characterised in that：Further include having active immunity module,
The active immunity module includes the transmitted waveform generation module that required waveform is generated for controlling transmitting, for production
The frequency synthesizer that raw waveform is handled and the interference detection for the electromagnetic interference environment in reconnaissance radar working frequency range
Module；The output end of the output end rate of connections synthesizer input terminal of the transmitted waveform generation module, frequency synthesizer connects
Power splitter and evil spirit T are connect, is radiate the waveform of generation by antenna；The interference detection module further includes having interference detection
Antenna, the output end of interference detection antenna connect the input terminal of interference detection module by receiver, control process module it is defeated
Outlet is separately connected the input terminal of transmitted waveform generation module and display module, control process module by signal processing module with
Receiver is connected；Signal processing module is connected with interference detection module.
2. active-passive integratedization unjammable radar device according to claim 1, it is characterised in that：The radar detection
Antenna and interference detection antenna are in a front, and the two carries out total aperture integrated setting.
3. active-passive integratedization unjammable radar device according to claim 2, it is characterised in that：The transmitted waveform
Generation module includes DDS chips AD9914, fpga chip XC6VHX255T and its corresponding peripheral circuit composition, is produced by DDS
Raw required a variety of transmitted waveforms.
4. active-passive integratedization unjammable radar device according to claim 3, it is characterised in that：The frequency synthesis
Device includes transmitting generation circuit, a local oscillator generation circuit and two local oscillator generation circuits and corresponding peripheral circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721902654.9U CN207717968U (en) | 2017-12-29 | 2017-12-29 | A kind of active-passive integratedization unjammable radar device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721902654.9U CN207717968U (en) | 2017-12-29 | 2017-12-29 | A kind of active-passive integratedization unjammable radar device |
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| Publication Number | Publication Date |
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| CN207717968U true CN207717968U (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721902654.9U Active CN207717968U (en) | 2017-12-29 | 2017-12-29 | A kind of active-passive integratedization unjammable radar device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109493676A (en) * | 2018-12-29 | 2019-03-19 | 安徽中晨智联科技有限责任公司 | It is a kind of for improving the training equipment of radar chaff guarantee skill |
| CN113403571A (en) * | 2021-05-19 | 2021-09-17 | 龚雅斌 | Novel civil air defense engineering protection equipment and zinc impregnation process thereof |
-
2017
- 2017-12-29 CN CN201721902654.9U patent/CN207717968U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109493676A (en) * | 2018-12-29 | 2019-03-19 | 安徽中晨智联科技有限责任公司 | It is a kind of for improving the training equipment of radar chaff guarantee skill |
| CN113403571A (en) * | 2021-05-19 | 2021-09-17 | 龚雅斌 | Novel civil air defense engineering protection equipment and zinc impregnation process thereof |
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