CN102508215B - Double-channel active and passive radar integrated simulator - Google Patents
Double-channel active and passive radar integrated simulator Download PDFInfo
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Abstract
The invention relates to the technical field of radar testing, in particular to a double-channel active and passive radar integrated simulator. The invention aims to overcome the limitation of a single-machine single-channel radar simulator on the aspect of laboratory and field testing. Therefore, the integrated simulator disclosed by the invention comprises an active radar simulator, a passive radar simulator, a signal synthesis module and an integrated control platform, wherein the active radar simulator is used for generating two paths of independent three-waveband radio frequency active radar simulation signals; the passive radar simulator is used for generating a 0.8-18Ghz radio frequency passive radar simulation signal; the signal synthesis module is used for selectively carrying out synthesis on the signals generated by the two radar simulators; and the integrated control platform is used for executing the coordination and control of the whole integrated simulator. Compared with the prior art, the double-channel active and passive radar integrated simulator disclosed by the invention not only can be used for verifying the acquisition and tracking performance and the anti-interference capability of an active radar, but also can be used for independently testing the performance and technical indexes of the active radar, a passive radar or an active and passive compound system radar.
Description
Technical field
The present invention relates to radar test technical field, specifically a kind of binary channels active radar and passive radar comprehensive simulation device.
Background technology
Active radar and passive radar comprehensive simulation device is laboratory and the site test device of equipment active-passive composite radar precise guidance system, can search for active-passive composite radar and various functions and the performance technologies index test such as tracking accuracy, scope and sensitivity, be the standard device of assessment active-passive composite radar important technology index.The test of active-passive composite radar needs radar signal source can produce Active Radar echo signal and passive radar echo signal, Active Radar simulator can store the phase information of radar, static nature (distance, power etc.) and the behavioral characteristics (distance change, Doppler shift etc.) of full phase parameter radar target can be simulated, can static state setting distance, Doppler and radiation power, and the target dynamic feature (comprising the speed of target, Distance geometry Doppler shift etc.) of full phase parameter radar can be simulated.Existing Active Radar simulator and passive radar simulator be design separately separately mostly, and based on unit single channel, wave band is no more than two.
Along with the develop rapidly of information and ECM (Electronic Countermeasures), the application of active-passive composite radar is more and more extensive, thus has higher requirement to radar test technology, makes radar test set towards integrated, synthesization and networking future development.
Radio frequency stores (DRFM) technology by storing, process and forwarding radar emission signal, in electronic countermeasure, coherent radar target simulation and undesired signal simulation etc., application is more and more wider, so DRFM technology becomes one of gordian technique realizing the coherent system radar simulators such as pulse Doppler.
DDS (digital frequency synthesizer) can produce the signals such as frequency modulation, phase modulation and single carrier frequency flexibly, and interface rate constantly increases, the fast frequency shift ability of DDS and multi-form signal is used to produce ability, technology is produced in conjunction with microwave technology, DSP (digital signal processing) technology and complex logic, the radar radiating source simulator (passive radar simulator) of large frequency range, many systems and great dynamic range can be realized, and multi-section radar simulation can be realized, generate controlled electromagnetic environment.
Network technology has that transmission speed is high, reliability high, different subsets can be passed through network interconnection when measuring system constructing, each equipment distributes an IP address, communicating and controlling to become convenient between equipment room with master control platform, and number of devices can flexible expansion.
Merge coherent radar target simulation technology, many radars signal imitation technology, network technology and microwave technology, can realize a kind of is interconnection mode with network, can produce the coherent radar target simulation signal of two passages and the binary channels active radar and passive radar comprehensive simulation device of passive radar radiation source simulating signal, this simulator can be used for emulation and the test of initiatively coherent system radar, passive radar and active-passive composite radar simultaneously.
Summary of the invention
In order to laboratory and the on-the-spot test demand of satisfied equipment active-passive composite radar precise guidance system, active-passive composite radar is searched for and tracking accuracy, the various functions such as scope and sensitivity and performance technologies index test, the important technology index of assessment active-passive composite radar, overcome the limitation of the decoy simulation of single channel coherent signal source and pull-off jamming realization, simultaneously in order to meet the testing requirement of active-passive composite radar, the invention provides a kind of binary channels active radar and passive radar comprehensive simulation device, this simulator is by binary channels coherent target simulation, the signal imitation of many radars, main passive Collaborative Control and network information transfer, this simulator can realize unit and cover binary channels initiatively simulator and passive simulation device, meet multiple coherent radar completely, function and testing performance index requirement under the laboratory of passive radar and active-passive composite radar and field condition.
Specifically, binary channels active radar and passive radar comprehensive simulation device according to the present invention comprises: binary channels Active Radar simulator, and it produces the mutual independently three waveband radio frequency Active Radar simulating signals of two-way; Passive radar simulator, it produces the radio frequency passive radar simulating signal of 0.8-18Ghz; Signal synthesizing module, any one or two during the two-way that its signal produced by described passive radar simulator independently exported or be synthesized to described Active Radar simulator exports; And Comprehensive Control platform, it communicates with described Active Radar simulator, described passive radar simulator and described signal synthesizing module, for performing coordination between described Active Radar simulator, described passive radar simulator and described signal synthesizing module and upper control.
In a preferred embodiment, described binary channels Active Radar simulator comprises Receiver Module further, frequency measurement module, two-way radio frequency memory module, two-way radio frequency sending module and signal transacting and control module, wherein, Receiver Module receives the radio-frequency input signals of three wave bands and carries out down-converted to these signals, frequency measurement module carries out frequency measurement to the radiofrequency signal after down coversion, frequency measurement result is delivered to tracking frequencies source with Parallel Digital code form and is generated frequency conversion local oscillator, deliver to signal transacting and control module simultaneously, for calculating Doppler frequency in real time according to the speed arranged, and wherein, two-way radio frequency memory module receives the intermediate-freuqncy signal from Receiver Module, and export two-way intermediate-freuqncy signal according to gating pulse, and two-way radio frequency sending module processes the two-way intermediate-freuqncy signal that two-way radio frequency memory module exports, thus obtain the mutual independently three waveband radio frequency Active Radar simulating signals of described two-way, and wherein, signal transacting is communicated with two-way radio frequency sending module with above-mentioned Receiver Module, frequency measurement module, two-way radio frequency memory module by network interface with control module, for receiving target parameter setting information, the Doppler frequency of real-time calculating simulation target, amplitude and time parameter, and the various target component in return signal source and signal source duty in real time.
In preferred embodiment, described passive radar simulator comprises digital signal processor, sequence generation module, prompt change source module, modulation source module and amplitude control module, wherein, digital signal processor receives the passive simulation device configuration information of host computer by network interface, the parameter of real-time calculating simulation radar, and control other module work, sequence generation module produces the variable pulse-modulated signal of repetition according to the control of digital signal processor, the prompt source module that becomes controls to produce set specific frequency signal according to sequence generation module and this signal is carried out to victory change process, modulation source module produces single-frequency according to arranging control figure frequency synthesizer, frequency modulation or phase-modulated signal, and become with victory the radiofrequency signal that source mixing obtains 0.8-18Ghz, and amplitude control module is according to arranging the output amplitude control signal producing passive radar simulator, and produce antenna scanning simulating signal.
In preferred embodiment, described signal synthesizing module comprises mechanical switch and two combiners, wherein, the radiofrequency signal of the 0.8-18GHz that passive radar simulator exports is imported into mechanical switch, the two-way of mechanical switch exports the input end being connected respectively to two combiners, and another input end of two combiners is connected respectively to the two-way output of Active Radar simulator.
In preferred embodiment, described Comprehensive Control platform comprises host computer aobvious control interface, router, initiatively simulator control module and passive simulation device control module, wherein, it is the human-computer interaction interface developed under Windows interface on industrial computer that host computer shows control interface, for completing optimum configurations and the state display of active radar and passive radar simulator, initiatively simulator control module and passive simulation device control module receive the parameters of Active Radar simulator and passive radar simulator, and status information is recycled to host computer aobvious control interface, initiatively simulator control module calculates the parameter of Active Radar simulator in real time, and the various target component in real-time return signal source and signal source duty, passive radar simulator control module calculates the parameter of passive radar simulator in real time, control modulation source, prompt change source and amplitude control module collaborative work, and produce many systems passive radar simulating signal.
In further preferred embodiment, described Receiver Module specifically performs following operation: the radar radiofrequency signal receiving X, Ku and Ka tri-wave bands, Ka wave band is down to X-band by down coversion, X-band and Ku wave band obtain C-band from different local oscillator mixing, and then this C-band is down to intermediate frequency by down coversion.
In further preferred embodiment, the radio frequency pulsewidth of described frequency measurement module is minimum 50ns, and frequency measurement resultant error is within 3MHz.
In further preferred embodiment, the process of described two-way radio frequency sending module to the two-way intermediate-freuqncy signal that described two-way radio frequency memory module exports comprises: the two-way intermediate-freuqncy signal that described two-way radio frequency memory module exports is converted to C-band, add doppler shifted signal, and then up-conversion is to X, Ku or Ka frequency range, and the amplitude of carrying out amplification and control.
In further preferred embodiment, described sequence generation module produces the variable pulse-modulated signal of repetition by field programmable gate array, and described prompt change source module becomes Digital Frequency Synthesize, frequency multiplication, mixing and multiband filtering by victory realizes described victory change operation, and the scan type of the antenna scanning simulating signal of described amplitude control module generation comprises circular scan, conical scanning and spiral scan.
In further preferred embodiment, described mechanical switch is the microwave mechanical switch of single-pole double-throw (SPDT), and according to the setting of host computer, arbitrary road that the signal that described passive radar simulator produces could independently export or be synthesized to described Active Radar simulator exports or two-way output, thus described binary channels active radar and passive radar comprehensive simulation device is tested Active Radar, passive radar or active-passive composite radar respectively.
The present invention is according to the test request of active-passive composite radar, abundant fusion coherent radar target simulation technology, many radars signal imitation technology, network technology and microwave technology, achieving a kind of is mutual contact mode with network, can produce the binary channels active radar and passive radar comprehensive simulation device of two passage coherent radar target simulation signals and passive radar radiation source simulating signal simultaneously.This simulator has following features and advantage: the equipment such as (1) binary channels coherent signal source, radar radiating source simulator, industrial computer and control platform far away carry out network interconnection by router, form the active radar and passive radar test network system be made up of subset, the local and remote radar comprehensive simulation device that can control flexibly; (2) single cover Two-channels radar comprehensive simulation device achieves initiatively coherent radar target simulation and passive radar target simulation, capturing and tracking performances and the antijamming capability of Active Radar can be verified, active and passive or active-passive composite radar can be tested separately again.
In addition, simulator according to the present invention has that analog functuion is strong, wave band strong adaptability, easy for operation, highly versatile and power and Frequency Index high, emulation and the testing requirement of initiatively coherent system radar, passive radar and active-passive composite radar can be met, and in Practical Project, obtain good application.
Accompanying drawing explanation
Describe the preferred embodiment of the present invention in conjunction with the drawings, those skilled in the art can understand the present invention more fully, in accompanying drawing:
Fig. 1 is the functional block diagram according to binary channels active radar and passive radar comprehensive simulation device of the present invention;
Fig. 2 is the functional block diagram of the binary channels Active Radar simulator according to comprehensive simulation device of the present invention;
Fig. 3 is the functional block diagram of the passive radar simulator according to comprehensive simulation device of the present invention;
Fig. 4 is the functional block diagram of the signal synthesizing module according to comprehensive simulation device of the present invention;
Fig. 5 is the functional block diagram of the Comprehensive Control platform according to comprehensive simulation device of the present invention.
Embodiment
Only exemplary in essence to the description of the preferred embodiment of the present invention below, and not intended to be limiting invention, its application, or uses.It should be noted that; although this preferred implementation discloses various concrete assembly of the present invention and details; but those skilled in the art it is easily understood that; protection scope of the present invention is not limited to these assemblies and details; when not departing from ultimate principle of the present invention; those skilled in the art can make amendment or equivalent replacement to these assemblies and details, and amendment or the embodiment after replacing also will fall within protection scope of the present invention.
As used in this application, term " module " means the following: special IC (ASIC), electronic circuit, combinational logic circuit, field programmable gate array (FPGA), perform the processor (shared, special or in groups) of coding, provide other suitable parts of described function; Or the combination of above-mentioned some or all parts.Term " module " can comprise storer (shared, special or in groups), and described storer stores the coding performed by processor.
As shown in Figure 1, binary channels active radar and passive radar comprehensive simulation device of the present invention comprises binary channels Active Radar simulator, passive radar simulator, Comprehensive Control platform and signal synthesizing module.Wherein, binary channels Active Radar simulator receives the radar radiofrequency signal of X, Ku or Ka wave band, coherent reception is carried out again after carrying out amplification and down coversion, two-way sends, then carry out up-conversion and amplification, and independently three waveband radio frequency Active Radar target simulation signals-namely the output of A tri-waveband radio frequency and B tri-waveband radio frequency export mutually to obtain two-way (i.e. A road and B road) after adding time delay, Doppler and magnitude control information.Passive radar simulator initiatively produces the radio frequency radar emission signal of 0.8-18Ghz, simulation produces transmitting of the different radars such as the prompt change of frequency modulation, phase modulation, repetition change and carrier frequency, the amplitude control module (see Fig. 3) of passive radar simulator can produce antenna scanning simulating signal, and scan type comprises circular scan, conical scanning and spiral scan etc.Comprehensive Control platform performs the operation of following Comprehensive Control: the optimum configurations and the state display that are completed active radar and passive radar simulator by human-computer interaction interface, specifically, the kinematic parameter of Active Radar simulator, radar parameter and amplitude scintillation rule etc. are set, the radar system of passive radar simulator, running parameter and antenna scanning type and parameter etc. are set; Module sequential each in active radar and passive radar simulator being controlled, making active radar and passive radar simulator according to arranging collaborative work; Carry out the radiofrequency signal simulation of active radar and passive radar simulator.The output signal of signal synthesizing module to passive radar simulator does switch control rule, and the A road radiofrequency signal that passive radar simulator exports being synthesized to Active Radar simulator exports or the output of B road.
Then consult Fig. 2, the figure shows the Active Radar simulator according to comprehensive simulation device of the present invention.As shown in the figure, binary channels Active Radar simulator of the present invention comprises again Receiver Module, frequency measurement module, two-way radio frequency memory module, two-way radio frequency sending module and signal transacting and control module.Wherein, Receiver Module receives the radar radiofrequency signal of X, Ku and Ka tri-wave bands, and Ka wave band is down to X-band through down coversion, and X-band and Ku wave band obtain C-band from different local oscillator mixing, and then down coversion is down to intermediate frequency.Frequency measurement module carries out frequency measurement to the radiofrequency signal (600-1400MHz) after down coversion, the radio frequency pulsewidth of frequency measurement needs 50ns, frequency measurement resultant error is within 3MHz, frequency measurement result is delivered to tracking frequencies source with Parallel Digital code form and is generated frequency conversion local oscillator, deliver to signal transacting and control module, for calculating Doppler frequency in real time according to the speed arranged simultaneously.Two-way radio frequency memory module receives the intermediate-freuqncy signal from Receiver Module, exports 2 tunnel intermediate-freuqncy signals-i.e. A road signal and B road signal according to gating pulse.Two-way radio frequency sending module is converted to C-band to the 2 tunnel intermediate-freuqncy signals that two-way radio frequency memory module exports, add doppler shifted signal, and then up-conversion is to X, Ku or Ka frequency range, the amplitude of carrying out amplification and control, thus obtain the binary channels radio frequency output signal-i.e. output of A tri-waveband radio frequency and output of B tri-waveband radio frequency.Signal transacting is communicated with above-mentioned submodule by network interface with control module, for receiving target parameter setting information, the Doppler frequency of real-time calculating simulation target, amplitude and time parameter, wherein target amplitude rises and falls and meets Markov model or Si Weilin model, data updating rate is 0.5ms, and signal transacting and the control module also in real time various target component in return signal source and signal source duty.
Then consult Fig. 3, the figure shows the functional block diagram of the passive radar simulator according to comprehensive simulation device of the present invention.As shown in the figure, this passive radar simulator comprises DSP (digital signal processor), sequence generation module, prompt change source module, modulation source module and amplitude control module.Wherein, DSP receives the passive simulation device configuration information of host computer by network interface, the parameters such as the pulsewidth of real-time calculating simulation radar, repetition, carrier frequency and amplitude, and controls other module work.Sequence generation module produces the variable pulse-modulated signal of repetition according to the control of DSP, and this is realized by FPGA.The prompt source module that becomes controls to produce set specific frequency signal according to sequence generation module, and realizes prompt change by victory change DDS, frequency multiplication, mixing and multiband filtering.Modulation source module produces single-frequency, frequency modulation or phase-modulated signal according to arranging control DDS, becomes with victory the radiofrequency signal that source mixing obtains 0.8-18Ghz.Amplitude control module produces the output amplitude control signal of passive radar simulator according to arranging, produce antenna scanning simulating signal, scan type comprises circular scan, conical scanning and spiral scan etc.
Next consult Fig. 4, the figure shows the signal synthesizing module according to comprehensive simulation device of the present invention.As shown in the figure, this signal synthesizing module comprises mechanical switch, combiner A and combiner B.Specifically, the radiofrequency signal of the 0.8-18GHz that passive radar simulator exports is imported into mechanical switch, the microwave mechanical switch of such as single-pole double-throw (SPDT), and the two-way of mechanical switch exports the input end being connected respectively to two combiner A and B.The input other end of two combiner A with B is connected A channel output and the channel B output of Active Radar simulator respectively.The A that outputs to that can control passive radar simulator that arranges according to host computer exports or B output, and passive simulation signal can independently export or be compound to arbitrary road and initiatively export.Correspondingly, the mode of operation of Comprehensive Radar simulator of the present invention can be Active Radar simulator independence, passive radar simulator independence or active radar and passive radar simulator compound Three models, thus respectively to Active Radar, passive radar or active-passive composite radar test.
Finally consult Fig. 5, the figure shows the Comprehensive Control platform according to comprehensive simulation device of the present invention.As shown in the figure, this Comprehensive Control platform comprises host computer aobvious control interface, router, initiatively simulator control module and passive simulation device control module.It is the human-computer interaction interface developed under Windows interface on industrial computer that host computer shows control interface, for completing optimum configurations and the state display of active radar and passive radar simulator.Host computer and slave computer are all connected on the LAN mouth of broadband router by netting twine, host computer is set to server end, slave computer is client, the IP address in host computer, active source and passive source can be arranged arbitrarily in the same network segment, by 100 m ethernet port communications between host computer and 2 slave computers, agreement is TCP/IP.The core of Active Radar simulator control module and passive radar simulator control module is the dsp chip of TI, is received initiatively and the parameters of passive radar simulator, and status information is recycled to host computer by Ethernet interface.The Doppler frequency of the real-time calculating simulation target of Active Radar simulator control module, amplitude and time parameter, target amplitude rises and falls and meets Markov model or Si Weilin model, data updating rate is 0.5ms, and the various target component in Active Radar simulator control module real-time return signal source and signal source duty.Passive radar simulator control module calculates the parameters such as the frequency of passive simulation device, repetition, pulsewidth and amplitude information in real time, controls modulation source, prompt change source and amplitude control module collaborative work, produces many systems passive radar simulating signal.
Although describe technical scheme of the present invention with reference to preferred implementation; but those skilled in the art it is easily understood that; protection scope of the present invention is not limited to these embodiments; when not departing from ultimate principle of the present invention; can split, combine or change described embodiment and concrete technical characteristic wherein-such as modules, fractionation, combination or the technical scheme after changing will fall within protection scope of the present invention.
Claims (9)
1. a binary channels active radar and passive radar comprehensive simulation device, is characterized in that comprising:
Binary channels Active Radar simulator, it produces the mutual independently three waveband radio frequency Active Radar simulating signals of two-way, comprise Receiver Module, frequency measurement module, two-way radio frequency memory module, two-way radio frequency sending module and signal transacting and control module, wherein, Receiver Module receives the radio-frequency input signals of three wave bands and carries out down-converted to these signals, frequency measurement module carries out frequency measurement to the radiofrequency signal after down coversion, frequency measurement result is delivered to tracking frequencies source with Parallel Digital code form and is generated frequency conversion local oscillator, deliver to signal transacting and control module simultaneously, for calculating Doppler frequency in real time according to the speed arranged, and wherein, two-way radio frequency memory module receives the intermediate-freuqncy signal from Receiver Module, and export two-way intermediate-freuqncy signal according to gating pulse, and two-way radio frequency sending module processes the two-way intermediate-freuqncy signal that two-way radio frequency memory module exports, thus obtain the mutual independently three waveband radio frequency Active Radar simulating signals of described two-way, and wherein, signal transacting is communicated with two-way radio frequency sending module with above-mentioned Receiver Module, frequency measurement module, two-way radio frequency memory module by network interface with control module, for receiving target parameter setting information, the Doppler frequency of real-time calculating simulation target, amplitude and time parameter, and the various target component in return signal source and signal source duty in real time,
Passive radar simulator, it produces the radio frequency passive radar simulating signal of 0.8-18Ghz;
Signal synthesizing module, any one or two during the two-way that its signal produced by described passive radar simulator independently exported or be synthesized to described Active Radar simulator exports; And
Comprehensive Control platform, it communicates with described Active Radar simulator, described passive radar simulator and described signal synthesizing module, for performing coordination between described Active Radar simulator, described passive radar simulator and described signal synthesizing module and upper control.
2. binary channels active radar and passive radar comprehensive simulation device as claimed in claim 1, is characterized in that, described passive radar simulator comprises digital signal processor, sequence generation module, prompt change source module, modulation source module and amplitude control module, wherein, digital signal processor receives the passive radar simulator configuration information of host computer by network interface, the parameter of real-time calculating simulation radar, and control other module work, sequence generation module produces the variable pulse-modulated signal of repetition according to the control of digital signal processor, the prompt source module that becomes controls to produce set specific frequency signal according to sequence generation module and this signal is carried out to victory change process, modulation source module produces single-frequency according to arranging control figure frequency synthesizer, frequency modulation or phase-modulated signal, and become with victory the radiofrequency signal that source mixing obtains 0.8-18Ghz, and amplitude control module is according to arranging the output amplitude control signal producing passive radar simulator, and produce antenna scanning simulating signal.
3. binary channels active radar and passive radar comprehensive simulation device as claimed in claim 2, it is characterized in that, described signal synthesizing module comprises mechanical switch and two combiners, wherein, the radiofrequency signal of the 0.8-18GHz that passive radar simulator exports is imported into mechanical switch, the two-way of mechanical switch exports the input end being connected respectively to two combiners, and another input end of two combiners is connected respectively to the two-way output of Active Radar simulator.
4. binary channels active radar and passive radar comprehensive simulation device as claimed in claim 3, is characterized in that, described Comprehensive Control platform comprises host computer aobvious control interface, router, initiatively simulator control module and passive simulation device control module, wherein, it is the human-computer interaction interface developed under Windows interface on industrial computer that host computer shows control interface, for completing optimum configurations and the state display of active radar and passive radar simulator, initiatively simulator control module and passive simulation device control module receive the parameters of Active Radar simulator and passive radar simulator, and status information is recycled to host computer aobvious control interface, initiatively simulator control module calculates the parameter of Active Radar simulator in real time, and the various target component in real-time return signal source and signal source duty, passive simulation device control module calculates the parameter of passive radar simulator in real time, control modulation source, prompt change source and amplitude control module collaborative work, and produce many systems passive radar simulating signal.
5. the binary channels active radar and passive radar comprehensive simulation device according to any one of Claims 1-4, it is characterized in that, described Receiver Module specifically performs following operation: the radar radiofrequency signal receiving X, Ku and Ka tri-wave bands, Ka wave band is down to X-band by down coversion, X-band and Ku wave band obtain C-band from different local oscillator mixing, and then this C-band is down to intermediate frequency by down coversion.
6. the binary channels active radar and passive radar comprehensive simulation device according to any one of Claims 1-4, is characterized in that, the radio frequency pulsewidth of described frequency measurement module is 50ns, and frequency measurement resultant error is within 3MHz.
7. the binary channels active radar and passive radar comprehensive simulation device according to any one of Claims 1-4, it is characterized in that, the process of described two-way radio frequency sending module to the two-way intermediate-freuqncy signal that described two-way radio frequency memory module exports comprises: the two-way intermediate-freuqncy signal that described two-way radio frequency memory module exports is converted to C-band, add doppler shifted signal, and then up-conversion is to X, Ku or Ka frequency range, and the amplitude of carrying out amplification and control.
8. the binary channels active radar and passive radar comprehensive simulation device according to any one of claim 2 to 4, it is characterized in that, described sequence generation module produces the variable pulse-modulated signal of repetition by field programmable gate array, and described prompt change source module becomes Digital Frequency Synthesize, frequency multiplication, mixing and multiband filtering by victory realizes described victory change operation, and the scan type of the antenna scanning simulating signal of described amplitude control module generation comprises circular scan, conical scanning and spiral scan.
9. the binary channels active radar and passive radar comprehensive simulation device as described in claim 3 or 4, it is characterized in that, described mechanical switch is the microwave mechanical switch of single-pole double-throw (SPDT), and according to the setting of host computer, arbitrary road that the signal that described passive radar simulator produces could independently export or be synthesized to described Active Radar simulator exports or two-way output, thus described binary channels active radar and passive radar comprehensive simulation device is tested Active Radar, passive radar or active-passive composite radar respectively.
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| CN113534069A (en) * | 2021-01-22 | 2021-10-22 | 国营芜湖机械厂 | Double-channel CD alarm signal simulator |
| CN113357964B (en) * | 2021-04-21 | 2023-01-31 | 中国人民解放军海军航空大学航空作战勤务学院 | Radar simulator |
| CN113835086B (en) * | 2021-08-13 | 2023-10-13 | 中国科学院国家空间科学中心 | Microwave active and passive detection system and method based on multiplexing sparse array |
| CN117665412B (en) * | 2024-01-31 | 2024-04-19 | 成都世源频控技术股份有限公司 | Radar simulator for simulating complex electromagnetic environment |
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| US5892479A (en) * | 1997-07-30 | 1999-04-06 | The United States Of America As Represented By The Secretary Of The Army | Electromagnetic target generator |
| KR20040047059A (en) * | 2002-11-29 | 2004-06-05 | 엘지이노텍 주식회사 | Apparatus for generating imitation target of radar |
| CN101082667B (en) * | 2006-06-01 | 2010-05-12 | 北京航空航天大学 | Millimeter wave quick frequency conversion radar target simulator |
| CN102183742B (en) * | 2011-01-12 | 2013-05-29 | 中国人民解放军海军航空工程学院青岛分院 | Coherent radar target echo signal simulating method and device |
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