CN205982623U - Marine complex electromagnetic environment's outboard active jamming radio frequency source under battle conditions of simulation - Google Patents

Marine complex electromagnetic environment's outboard active jamming radio frequency source under battle conditions of simulation Download PDF

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Publication number
CN205982623U
CN205982623U CN201621015947.0U CN201621015947U CN205982623U CN 205982623 U CN205982623 U CN 205982623U CN 201621015947 U CN201621015947 U CN 201621015947U CN 205982623 U CN205982623 U CN 205982623U
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cpci
interface
board
signal
backboard
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王文海
吴垒
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Nanjing Changfeng Space Electronics Technology Co Ltd
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Nanjing Changfeng Space Electronics Technology Co Ltd
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Abstract

The utility model discloses a marine complex electromagnetic environment's outboard active jamming radio frequency source under battle conditions of simulation, include: IO integrated circuit board, secondary backplate and frequency conversion unit backplate after cPCI machine case, embedded real -time control system integrated circuit board, preceding IO integrated circuit board, intermediate frequency signal processing integrated circuit board, cPCI backplate, cPCI power, down coversion unit, frequently comprehensive unit, up -conversion unit, power, the system. The utility model has the advantages of can cover 8GHz~18GHz frequency channel, the signal interference pattern is diversified, includes: the distance is dragged and is drawn deception jamming signal, speed and drag and draw deception jamming signal, narrowband and take aim at that interfering signal etc. Is blocked in interfering signal, broadband frequently, adaptation input radar signal form: frequency coding in pulse doppler, pulse compression, frequency agility, heavy irregular, phase coding frequently, heavy shake, the arteries and veins frequently.

Description

The outboard active interference radio frequency source of the marine actual combat complex electromagnetic environment of simulation
Technical field
The invention belongs to ship's fitting technical field, particularly to a kind of outboard of the marine actual combat complex electromagnetic environment of simulation Active interference radio frequency source.
Background technology
My XXX type anti-warship guided missle, when attacking to enemy's aircraft carrier fleet, will face the self-defence type electronic interferences of its release And outboard active electronic interferences environment.Outboard active interference radio frequency source is arranged on experiment target carrying platform, simulation enemy's aircraft carrier fleet Outboard active electronic jamming device, the anti-warship guided missle always attacked discharges active electronic interference signal, for example:Distance tows deception Frequency interference signal, broadband acoustical interference signal etc. are taken aim at, to check anti-ship in interference signal, speed tracting cheating interference signal, arrowband Fight capability under interference environment for the guided missile.
Presently used outboard active interference radio frequency source, the dress of test and the inspection strike effect of can practicing shooting as blue force Standby, but there are a lot of problems with aspect, sum up as follows:Operating frequency range 8GHz ~ 18GHz frequency range can not be covered simultaneously Lid;Jamming signal type is few;Adapt to input radar signal form few etc..Therefore, a kind of new technical scheme of exigence solves Technical problem present in above-mentioned prior art.
Content of the invention
The present invention provides a kind of outboard active interference radio frequency source of the marine actual combat complex electromagnetic environment of simulation, can cover 8GHz ~ 18GHz frequency range;The variation of signal jamming signal type, including:Distance tows cheating interference signal, speed tracting cheating interference Frequency interference signal, broadband acoustical interference signal etc. are taken aim in signal, arrowband;Adapt to input radar signal form:Pulse Doppler, pulse Compression, frequency agility, PRF staggering, phase code, repetition shake, frequency coding in arteries and veins.To solve the problems of the prior art.
For achieving the above object, the technical solution used in the present invention is:
A kind of outboard active interference radio frequency source of simulation sea actual combat complex electromagnetic environment, including:CPCI cabinet, embedded Real-time control system board, front I O board card, IF signal processing board, cPCI backboard, cPCI power supply, down-converter unit, frequently comprehensive I O board card, secondary backboard and converter unit backboard after unit, upconverting unit, power supply, system;
Wherein, embedded real-time control system board, front I O board card, IF signal processing board, cPCI power supply, after system I O board card, secondary backboard are contained on cPCI backboard, are inserted on the front panel of cPCI cabinet;
Wherein, down-converter unit, frequently comprehensive unit, upconverting unit be contained on converter unit backboard, be inserted in cPCI cabinet On front panel;
Wherein, power supply is arranged on cPCI power supply.
Further, the power amplifier also including being arranged on cPCI cabinet rear board controls and monitoring interface, 220V power input Interface, SERVO CONTROL concatenation mouth, temperature monitoring input interface, fuse box, 220V switch, microwave control interface and power supply output Interface.
Further, described embedded real-time control system board pass through cPCI bus respectively with IF signal processing board and After front I O board card is connected, then it is connected on cPCI backboard and secondary backboard by bus;Embedded real-time control system board is also After system, I O board card is connected on outside servo turntable;Embedded real-time control system board connects also by cPCI bus Outside remote control terminal.
Further, described IF signal processing board be provided with DA clock interface, AD clock interface, reference clock interface, Intermediate frequency input interface and intermediate frequency output interface.
Further, described cPCI backboard and secondary backboard be equipped with temperature monitoring input interface, modulation pulse interface with micro- Ripple assembly and power amplifier interface.
Further, frequency conversion assembly is constituted by upconverting unit, frequently comprehensive unit and down-converter unit, frequency conversion assembly respectively with Audio signalprocessing board, external transmitter are connected.
Further, described frequency conversion assembly is provided with three road clock interfaces, intermediate frequency output interface, intermediate frequency input interface, modulation control Input interface processed, antenna input interface and radiation signal output interface;
Wherein, three road clock interfaces are made up of DA clock interface, AD clock interface, reference clock interface.
Compared with prior art, the present invention has advantages below:
1st, adopt technical scheme, 8GHz ~ 18GHz frequency range can be covered;
2nd, adopt technical scheme, it is possible to achieve the variation of signal jamming signal type, including:It is dry that distance tows deception Disturb signal, frequency interference signal, broadband acoustical interference signal etc. are taken aim in speed tracting cheating interference signal, arrowband;
3rd, adopt technical scheme, adapt to input radar signal form, for example pulse Doppler, pulse compression, Frequency agility, PRF staggering, phase code, repetition shake, frequency coding in arteries and veins.
Brief description
Fig. 1 is the front view of the present invention;
Fig. 2 is the rearview of the present invention;
Fig. 3 is the top view of the present invention;
Fig. 4 is the fundamental diagram of the present invention;
Fig. 5 is the fundamental diagram of the embedded real-time control system board of the present invention;
Fig. 6 is the fundamental diagram of the IF signal processing board of the present invention;
Fig. 7 is the fundamental diagram of the down-converter unit of the present invention, upconverting unit;
Fig. 8 is the fundamental diagram of the comprehensive unit of frequency of the present invention.
In figure, 1.cPCI cabinet, 2. embedded real-time control system board, 3. before I O board card, 4. IF signal processing plate Card, 5.cPCI backboard, 6.cPCI power supply, 7. down-converter unit, 8. frequency comprehensive unit, 9. upconverting unit, 10. power supply, 11. systems Afterwards I O board card, 12. 2 backboards and 13. converter unit backboards, 14. cPCI case front panels, 15. cPCI cabinet rear boards, 16. power amplifiers controls concatenate mouth with monitoring interface, 17.220V power input interface, 18. SERVO CONTROL, 19. temperature monitorings inputs connect Mouth, 20. fuse boxs, 21.220V switch, 22. microwave control interfaces and power output interface, 24. frequency conversion assemblies.
Specific embodiment
A kind of outboard active interference radio frequency source of simulation sea actual combat complex electromagnetic environment, including:CPCI cabinet 1, embedded Formula real-time control system board 2, front I O board card 3, IF signal processing board 4, cPCI backboard 5, cPCI power supply 6, down coversion list Unit 7, frequently comprehensive unit 8, upconverting unit 9, power supply 10, I O board card 11, secondary backboard 12 and converter unit backboard 13 after system;
Wherein, embedded real-time control system board 2, front I O board card 3, IF signal processing board 4, cPCI power supply 6, be After system, I O board card 11, secondary backboard 12 are contained on cPCI backboard 5, are inserted on the front panel 14 of cPCI cabinet;
Wherein, down-converter unit 7, frequently comprehensive unit 8, upconverting unit 9 be contained on converter unit backboard 13, be inserted in cPCI machine On the front panel 14 of case;
Wherein, power supply 10 is arranged on cPCI power supply 6.
The outboard active interference radio frequency source of aforesaid simulation sea actual combat complex electromagnetic environment, also includes being arranged on cPCI machine Power amplifier control on case rear board 15 concatenates mouth 18, temperature prison with monitoring interface 16,220V power input interface 17, SERVO CONTROL Survey input interface 19, fuse box 20,220V switch 21, microwave control interface and power output interface 22.
Aforementioned embedded real-time control system board 2 pass through cPCI bus respectively with IF signal processing board 4 and front IO After board 3 is connected, then it is connected on cPCI backboard 5 and secondary backboard 12 by bus;Embedded real-time control system board 2 is also After system, I O board card 11 is connected on outside servo turntable;Embedded real-time control system board 2 is also by cPCI bus Connect outside remote control terminal.
It is defeated that aforementioned IF signal processing board 4 is provided with DA clock interface, AD clock interface, reference clock interface, intermediate frequency Incoming interface and intermediate frequency output interface.
Aforementioned cPCI backboard 5 and secondary backboard 12 are equipped with temperature monitoring input interface, modulation pulse interface and microwave group Part and power amplifier interface.
Aforementioned be made up of frequency conversion assembly 24 upconverting unit 9, frequently comprehensive unit 8 and down-converter unit 7, frequency conversion assembly 24 is respectively It is connected with IF signal processing board 4, external transmitter.
Aforementioned frequency conversion assembly 24 is provided with three road clock interfaces, intermediate frequency output interface, intermediate frequency input interface, modulation control input Interface, antenna input interface and radiation signal output interface;
Wherein, three road clock interfaces are made up of DA clock interface, AD clock interface, reference clock interface.
With reference to embodiment, the present invention is further described.
It is illustrated in figure 1 the front view of the present invention, including:Embedded real-time control system board, front I O board card, intermediate frequency letter Number process board, upconverting unit, frequently comprehensive unit, down-converter unit, Israel's import cPCI power supply and space flight Chaoyang linearly electricity Source;
It is illustrated in figure 2 the rearview of the present invention, including:Power amplifier controls and monitoring, 220V power input, SERVO CONTROL string Mouth, temperature monitoring input, fuse box, 220V switch, microwave control and power supply output;
It is illustrated in figure 3 the top view of the present invention, including IO after space flight Chaoyang linear power supply, converter unit backboard and system Board.
Fig. 4 is the fundamental diagram of the present invention, and its annexation is as shown in the figure;Wherein, backboard is cPCI backboard and secondary The general designation of backboard;Wherein, down-converter unit, upconverting unit, the frequently equipment such as comprehensive unit and IF signal processing plate, in order to receive Radar seeker signal, and signal is amplified and frequency-conversion processing, generate upper after intermediate-freuqncy signal adds various interference signals change Frequency exports transmitter, transmitter to after interference signal amplification through aerial radiation to aerial, its major function is:(1)Having will Be amplified from the signal of reception antenna and frequency-conversion processing function;
(2)There is the function that output intermediate-freuqncy signal produces subsystem to interference signal;(3)Have during receiving front-end sends Frequency signal, and signal carried out sort, identify, monitoring function;(4)Have and produce compacting interference and cheating interference interior all kinds of Interference signal function;(5)There is the clock signal function of producing needed for interference source.Wherein, after system, I O board is responsible for the end of system Mouth is extended and connects servo turntable by the RS232 serial ports of board and communicated with main frame.The output of upconverting unit is with one Radio-frequency cable is directly connected to the input of external transmitter.Transmitter plays the effect amplifying signal power, and interference signal is emitted Machine is radiated after amplifying and is disturbed in the air.This system is radiofrequency signal source, and external transmitter is this system signal Place to go, external transmitter is simultaneously not belonging to this radio frequency origin system, is therefore only briefly noted.
Fig. 5 is the fundamental diagram of the embedded real-time control system board of the present invention, and its internal concrete chip connects pass System is as shown in the figure;Embedded real-time control system board is responsible for the real-time control data monitoring of each system.
Fig. 6 is the fundamental diagram of the IF signal processing board of the present invention, and it is right that described IF signal processing board is realized Input intermediate-freuqncy signal AD conversion, and by the DDC of internal build, digital filter, phase discriminator, digital delay tap combination, The logical blocks such as amplitude modulation(PAM), frequency modulation combination, carry out the digital modulation of interference signal and the output measuring pulse parameter etc.. Its internal concrete chip annexation is as shown in the figure;Wherein, audio signalprocessing plate adopts X6-3GSPS signal-processing board.X6- 3GSPS Signal transacting board analysis are one piece of band 3GSPS 12bit ADC, 3GSPS 12bit DAC, Xilinx Virtex-6 FPGA With vast capacity dynamic memory DDR3 and high speed dual port static memory QDR- II+6U cPCI interface standard board. Joining 4Gbit DDR3 SDRAM and 144Mbit QDR- II+memorizer outside Xilinx Virtex-6 SX315T/475T is such as The application of radar and direct RF digitization provides a very high performance DSP core.Using VHDL, MATLAB and Xilinx ISE tool kit and the senior Core Generator of Xilinx company(Xilinx System Generator and AccelDSP)Permissible Secondary development is carried out to X6-3GSPS the Wideband Signal Processing plate.Taken using Xilinx Virtex6 FPGA as signal processing core The Software Radio platform built, it is possible to achieve the collection of various Complex Radars or signal of communication, storage, process and broadcasting.
Fig. 7 is the fundamental diagram of the down-converter unit of the present invention, upconverting unit.In mode of operation, outboard active is done Disturb the radiofrequency signal that radio frequency source receives the tested radar emission in the range of 8GHz ~ 18GHz, it is right to realize by ATT after amplitude limiter The amplitude of signal controls, and makes stable output signal in certain power bracket, then may amplify the signal to frequency mixer by LNA Linear work area;Radiofrequency signal down-converter unit, through carrying out after a series of frequency-conversion processing to the radiofrequency signal receiving, exports The intermediate-freuqncy signal of 750MHz ± 500MHz, the filter centre frequency that outfan is adopted is 750MHz, output signal frequency model Enclose 250MHz ~ 1250MHz, the full width that the power of output signal meets IF signal processing AD conversion requires.Active dry by the board Disturb in radio frequency source down coversion passage, the signal of X+Ku wave band 8GHz ~ 18GHz directly and local oscillation signal 10.5-15.5GHz, obtains The intermediate-freuqncy signal of 750MHz ± 500MHz, maximum bandwidth is the IF output signal of 1000MHz.Active interference radio frequency source by the board Up-conversion passage frequency conversion is exactly down coversion passage inverse process, obtains 8GHz ~ 18GHz transmission signal.Radiofrequency signal down coversion list In unit, the comprehensive reasonable selection with local oscillator of each frequency, is conducive to the spuious index of system.In this unit be used for mixing local oscillator letter So that the intermodulation signal below 5 ranks is all outside the first intermediate-freuqncy signal band, such system is spuious can to pass through one for the selection of number LO It is filtered by individual broadband filter, and the power magnitude of intermodulation signals more than 5 ranks is all smaller, and this frequency conversion adopts high performance Import frequency mixer, has great suppression for intermodulations more than 5 ranks and 5 ranks.In the design of radio-frequency channel, meticulously select and put Big device, and be allowed to be operated in linear work area(Non-saturated region)So that harmonic wave is as far as possible little.Operating frequency according to tested radar (Set in test combat), the local oscillation signal frequency of rf signal reception unit frequency conversion at different levels is got off to put in the control of control computer Rate.In the present system, using the Digital Instantaneous Frequency Measurement device with a width of 1000MHz, according to signal receive mode, LNA it The microwave devices such as front Finite Amplitude device, switch, ATT, according to the loss value of each device, switching loss 3dB, amplitude limiter is 2dB, LNA Noise coefficient be 3dB, therefore, receiving front-end overall noise factor is less than 10dB, and signal identification coefficient D takes 13.Clever according to receiving The computing formula of sensitivity:P=kTBfnD=-114+25+10+13=-66dBm, the receiving sensitivity of signal receiving unit is- 66dBm, in addition adds the loss of cable etc., receiving sensitivity should more than -55dBm, can meet receiving sensitivity - The requirement of 50dBm.
Fig. 8 is the fundamental diagram of the comprehensive unit of frequency of the present invention, and comprehensive unit mainly produces outboard active interference radio frequency source frequently The required various local oscillation signals of work and clock signal, the signal that comprehensive unit mainly produces frequently is as follows:Local oscillation signal 10.5- 15.5GHz、3.25GHz;Clock signal 100MHz, 1.5GHz, 3GHz.According to design, the phase noise of output signal is On the basis of crystal oscillator phase noise specifications, there is certain deterioration.The value deteriorating can be according to 20log10(f0/fi)+ 5 counting Calculate.When the crystal oscillator phase noise selected is -155dBc/Hz 1kHz, for Ku frequency range, penalty value of mutually making an uproar is 42.8dB, output The phase noise of signal is about -110dBc/Hz@1kHz, can meet the requirement to phase noise for the output signal.Intermediate-freuqncy signal Process required 1.5GHz and 3GHz clock signal, signal on the basis of 100MHz, produced using harmonic fashion, system can be met System requires.The local oscillation signal of 3.25GHz, 10.5-15.5GHz adopts PLL to produce, and can meet outboard active interference radio frequency source will Ask.In specific design, we select the high steady low noise constant-temperature crystal oscillator of MITECH company, and its phase noise reaches -155dBc/Hz@ 1kHz, index is better than outboard active interference radio frequency source and requires.
The above be only the preferred embodiment of the present invention it should be pointed out that:Ordinary skill people for the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (7)

1. a kind of marine actual combat complex electromagnetic environment of simulation outboard active interference radio frequency source it is characterised in that:Including:CPCI machine Case(1), embedded real-time control system board(2), front I O board card(3), IF signal processing board(4), cPCI backboard(5)、 CPCI power supply(6), down-converter unit(7), comprehensive unit frequently(8), upconverting unit(9), power supply(10), I O board card after system (11), secondary backboard(12)With converter unit backboard(13);
Wherein, embedded real-time control system board(2), front I O board card(3), IF signal processing board(4), cPCI power supply (6), I O board card after system(11), secondary backboard(12)It is contained in cPCI backboard(5)On, it is inserted in the front panel of cPCI cabinet(14) On;
Wherein, down-converter unit(7), comprehensive unit frequently(8), upconverting unit(9)It is contained in converter unit backboard(13)On, it is inserted in The front panel of cPCI cabinet(14)On;
Wherein, power supply(10)It is arranged on cPCI power supply(6)On.
2. the outboard active interference radio frequency source of simulation sea according to claim 1 actual combat complex electromagnetic environment, its feature It is:Also include being arranged on cPCI cabinet rear board(15)On power amplifier control with monitoring interface(16), 220V power input connects Mouthful(17), SERVO CONTROL concatenation mouth(18), temperature monitoring input interface(19), fuse box(20), 220V switch(21), microwave Control interface and power output interface(22).
3. the outboard active interference radio frequency source of simulation sea according to claim 1 actual combat complex electromagnetic environment, its feature It is:Described embedded real-time control system board(2)By cPCI bus respectively with IF signal processing board(4)With front IO Board(3)After being connected, then cPCI backboard is connected to by bus(5)And secondary backboard(12)On;Embedded real-time control system Board(2)Also by I O board card after system(11)It is connected on outside servo turntable;Embedded real-time control system board(2)Also Outside remote control terminal is connected by cPCI bus.
4. the outboard active interference radio frequency source of simulation sea according to claim 3 actual combat complex electromagnetic environment, its feature It is:Described IF signal processing board(4)It is provided with DA clock interface, AD clock interface, reference clock interface, intermediate frequency input Interface and intermediate frequency output interface.
5. the outboard active interference radio frequency source of simulation sea according to claim 3 actual combat complex electromagnetic environment, its feature It is:Described cPCI backboard(5)And secondary backboard(12)It is equipped with temperature monitoring input interface, modulation pulse interface and microwave group Part and power amplifier interface.
6. the outboard active interference radio frequency source of simulation sea according to claim 3 actual combat complex electromagnetic environment, its feature It is:By upconverting unit(9), comprehensive unit frequently(8)And down-converter unit(7)Constitute frequency conversion assembly(24), frequency conversion assembly(24) Respectively with IF signal processing board(4), external transmitter be connected.
7. the outboard active interference radio frequency source of simulation sea according to claim 6 actual combat complex electromagnetic environment, its feature It is:Described frequency conversion assembly(24)It is provided with three road clock interfaces, intermediate frequency output interface, intermediate frequency input interface, modulation control input Interface, antenna input interface and radiation signal output interface;
Wherein, three road clock interfaces are made up of DA clock interface, AD clock interface, reference clock interface.
CN201621015947.0U 2016-08-31 2016-08-31 Marine complex electromagnetic environment's outboard active jamming radio frequency source under battle conditions of simulation Active CN205982623U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108226869A (en) * 2017-12-13 2018-06-29 扬州健行电子科技有限公司 A kind of detection method of the radar signal of PRF staggering
CN109374021A (en) * 2018-10-30 2019-02-22 广州发展集团股份有限公司 The anti-interference acquisition system of physical quantity, method, apparatus and computer equipment
CN111123783A (en) * 2019-12-25 2020-05-08 中国航空工业集团公司北京航空精密机械研究所 CPCI bus motion control system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108226869A (en) * 2017-12-13 2018-06-29 扬州健行电子科技有限公司 A kind of detection method of the radar signal of PRF staggering
CN108226869B (en) * 2017-12-13 2021-07-06 扬州健行电子科技有限公司 Detection method of radar signal with multiple frequency spread
CN109374021A (en) * 2018-10-30 2019-02-22 广州发展集团股份有限公司 The anti-interference acquisition system of physical quantity, method, apparatus and computer equipment
CN109374021B (en) * 2018-10-30 2020-10-30 广州发展集团股份有限公司 Anti-interference physical quantity acquisition system, method and device and computer equipment
CN111123783A (en) * 2019-12-25 2020-05-08 中国航空工业集团公司北京航空精密机械研究所 CPCI bus motion control system

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