CN105527615A - Multi-system radar signal simulator - Google Patents
Multi-system radar signal simulator Download PDFInfo
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- CN105527615A CN105527615A CN201510882404.2A CN201510882404A CN105527615A CN 105527615 A CN105527615 A CN 105527615A CN 201510882404 A CN201510882404 A CN 201510882404A CN 105527615 A CN105527615 A CN 105527615A
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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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4021—Means for monitoring or calibrating of parts of a radar system of receivers
-
- 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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
-
- 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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
- G01S7/4082—Means for monitoring or calibrating by simulation of echoes using externally generated reference signals, e.g. via remote reflector or transponder
- G01S7/4095—Means for monitoring or calibrating by simulation of echoes using externally generated reference signals, e.g. via remote reflector or transponder the external reference signals being modulated, e.g. rotating a dihedral reflector or modulating a transponder for simulation of a Doppler echo
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The present invention relates to a multi-system radar signal simulator which comprises a modulation source module, an agility source module, a mixer and filter module, a stable amplitude output module, a radar signal simulator amplifier and a transmitting antenna. After the signal outputted by the modulation source module and the signal outputted by the agility source module are separately inputted into the mixer and filter module to carry out mixing and filtering, a generated signal enters into the stable amplitude output module and then is amplified by the radar signal simulator amplifier and then is outputted by the transmitting antenna, wherein the modulation source module configures and generates an RF signal of single frequency, frequency modulation or phase modulation. The invention provides the radar signal simulator, the radar analog signals of multiple systems can be realized in a single channel, an antenna scanning operation is simulated through changing the change rule of the output power, and the radiation distance is far.
Description
Technical field
The present invention relates to signal processing technology field, particularly relate to a kind of radar signal processing field.
Background technology
High-power many radars signal simulator is laboratory and the foreign oxide of equipment radar warning receiver, can to various functions and performance technologies index tests such as radar warning receiver orientation, frequency, threat level, tracking accuracy, following range and sensitivity, possessing remote radar warning receiver test function, is the standard device of assessment radar warning receiver important technology index.Radar warning receiver test needs radar signal simulator can simulate many kinds of radar to transmit and space electromagnetic environment, can guinea pig antenna scanning, can realize the space radiation of simulating signal.Current, radar warning receiver signal source is based on individual event function, or system is single, or frequency band is inadequate, or can not realize remote space radiation, high-power many radars signal simulator that the present invention provides achieves many systems multiple systems such as () frequency modulation, phase modulation, frequency agility, repetition are variable, broadband (0.7G ~ 18GHz), multiple antenna scanning mode are simulated and the feature such as high-power radiant output.
Summary of the invention
In view of above-mentioned analysis, the present invention aims to provide a kind of high-power many radars signal simulator, in order to solve the problem that in prior art, radar signal simulator frequency band is narrow and radiation length is near.
Object of the present invention is mainly achieved through the following technical solutions:
A kind of many radars signal simulator, is characterized in that, comprise modulation source module, prompt change source module, mixing and filtering module, fixed ampllitude output module, radar signal simulator power amplifier and emitting antenna; The signal that described modulation source module exports and described victory become signal that source module exports and input after described mixing and filtering module carries out mixing and filtering respectively, enter after described radar signal simulator power amplifier amplifies and exported by described emitting antenna after described fixed ampllitude output module; Wherein, described modulation source control module configuration produces the radiofrequency signal of single-frequency, frequency modulation or phase modulation.
Optionally, described victory becomes source module and comprises prompt change digital frequency synthesizer, phase locked source, frequency mixer and multi-channel filter group, wherein, the intermediate-freuqncy signal that described victory change digital frequency synthesizer produces and the signal that phase locked source exports carry out mixing at described frequency mixer, and the signal after mixing obtains the radiofrequency signal of 11 ~ 17GHz after multi-channel filter group.
Optionally, described modulation source module comprises digital frequency synthesizer, phase locked source and mixing filter, wherein, described digital frequency synthesizer produces the intermediate-freuqncy signal of single-frequency, frequency modulation or phase modulation, and the C-band local oscillation signal that described intermediate-freuqncy signal and described phase locked source produce obtains the radiofrequency signal with modulation intelligence after described mixing filter mixing and filtering.
Optionally, described mixing and filtering module, the signal that signal and modulation source module for becoming source module output to described victory export carries out mixing post filtering, exports the radiofrequency signal of 6 ~ 18GHz.
Optionally, described fixed ampllitude output module comprises controlling of amplitude module, multi-channel filter, electrically controlled attenuator, numerical-control attenuator, modulator, and frequency mixer, described controlling of amplitude module carries out controlling of amplitude to the radiofrequency signal of 6 ~ 18GHz, by described multi-channel filter filtering, again after described electrically controlled attenuator and numerical-control attenuator through described modulator, described frequency mixer exports the radiofrequency signal of 0.7 ~ 18GHz.
Optionally, radar signal simulator power amplifier comprises absorption electronics single-pole double-throw switch (SPDT), 0.7 ~ 2GHz frequency range high power amplifier, with 2 ~ 18GHz frequency range high power amplifier, export after being divided into the signal of 0.7 ~ 2GHz and 2 ~ 18GHz, two frequency ranges to be sent to described 0.7 ~ 2GHz frequency range high power amplifier and the amplification of described 2 ~ 18GHz frequency range high power amplifier respectively after the described absorption electronic switch of 0.7 ~ 18GHz radiofrequency signal input that described fixed ampllitude output module exports.
Optionally, described emitting antenna comprises the dual polarization quadruple ridged horn antenna being operated in 0.7 ~ 2GHz and 2 ~ 18GHz, two frequency ranges respectively.
Beneficial effect of the present invention is as follows: the radar signal simulator that present invention achieves the many systems of a kind of multi-section, the radar simulation signal of multiple system can be realized in single channel, and by changing the Changing Pattern artificial antenna scanning motion of output power, and radiation length far away can be had.Be specially: 1, radar signal simulator guinea pig system kind of the present invention is more; 2 radar signal simulators of the present invention can provide the frequency band more widened than prior art; 3, radar signal simulator provided by the invention can the farther distance of radiation.4, radar signal simulator provided by the invention can realize the space radiation of radar simulation signal.
Other features and advantages of the present invention will be set forth in the following description, and, becoming apparent from instructions of part, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing only for illustrating the object of specific embodiment, and does not think limitation of the present invention, and in whole accompanying drawing, identical reference symbol represents identical parts.
The structural representation of high-power many radars signal simulator that Fig. 1 provides for the embodiment of the present invention;
The radar signal simulator main machine structure schematic diagram that Fig. 2 provides for the embodiment of the present invention;
The radar signal simulator power amplifier structure schematic diagram that Fig. 3 provides for the embodiment of the present invention;
The Comprehensive control computer structural representation that Fig. 4 provides for the embodiment of the present invention;
The sending antenna structure schematic diagram that Fig. 5 provides for the embodiment of the present invention.
Embodiment
Specifically describe the preferred embodiments of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing forms the application's part, and together with embodiments of the present invention for explaining principle of the present invention.
The structural representation of high-power many radars signal simulator that Fig. 1 provides for the embodiment of the present invention; This high-power many radars signal simulator comprises radar signal simulator main frame, radar signal simulator power amplifier, Comprehensive control computer and emitting antenna;
The radar signal simulator main machine structure schematic diagram that Fig. 2 provides for the embodiment of the present invention.Single portion or the different radar radiation signal of multi-section can be simulated, the parameter such as frequency, pulsewidth, repetition, amplitude, modulation of configurable radiation signal, possess multi-section radar signal mixing timesharing output function.Radar signal simulator main frame comprise prompt become source module, mixing and filtering module, fixed ampllitude output module and control module.
Prompt change source module becomes digital frequency synthesizer (DDS) by victory and produces intermediate-freuqncy signal, afterwards with phase locked source mixing, then after multi-channel filter group, obtains the radiofrequency signal of 11 ~ 17GHz.
Concrete, the prompt source module that becomes can be become DDS by victory and produce intermediate-freuqncy signal, and then with phase locked source mixing, phase locked source is made up of multiple source frequently, by controlling to select phase locked source frequency, obtains the radio frequency output signal in broadband after filtering after device group.Wherein bank of filters is formed by 3, and each bandwidth is that 2GHz, DDS select directly to put high-speed DDS frequently.The prompt variable Rate in prompt change source can be selected to be less than 1us, and reference frequency output is 11 ~ 17GHz.
Modulation source module produces the intermediate-freuqncy signal of single-frequency, frequency modulation or phase modulation (BPSK, QPSK) by digital frequency synthesizer (DDS), obtains the radiofrequency signal with modulation intelligence with phase locked source after the C-band local oscillation signal mixing and filtering produced.
Concrete, modulation source module can be, the intermediate-freuqncy signal of single-frequency, frequency modulation or phase modulation (BPSK, QPSK) is produced by digital frequency synthesizer (DDS), DDS can select AD9910, work clock is 1GHz, use its Profile function to produce BPSK, QPSK signal, control its generation linear FM signal by configuring its register, centre frequency is 200MHz.The local oscillation signal mixing that DDS output signal produces with the phase locked source module of 2.8GHz or 4.8GHz, obtaining center frequency point is signal after the C-band modulation of 3GHz or 5GHz
Mixing and filtering module, for becoming signal that source module exports to victory and the signal that modulation source module exports carries out mixing, device group after filtering afterwards, obtains the radiofrequency signal of 6 ~ 18GHz.
Concrete, mixing and filtering module can be, modulation source exports as 3GHz or 5GHz modulation signal, it is 11 ~ 17GHz signal that prompt change source exports, the two input of the intermediate frequency respectively as frequency mixing module and local oscillator input, mixed signal is through multi-channel filter group, and filter bandwidht can be 2GHz, obtains the radio frequency output signal of the band modulation of 6 ~ 18GHz.
Fixed ampllitude output module, carries out controlling of amplitude, multichannel filtering to the radiofrequency signal of 6 ~ 18GHz, after through electrically controlled attenuator and numerical-control attenuator, after modulator, obtain 6 ~ 18GHz radio frequency output signal.
0.7 ~ 6GHz signal is obtained by 6 ~ 18GHz signal and phase locked source mixing; Afterwards after filtering, amplify and after the amplitude control procedure such as decay, obtain 0.7 ~ 18GHz simulator radio frequency output signal.
Concrete, fixed ampllitude output module can be carry out multichannel filtering to the radiofrequency signal of 6 ~ 18GHz, limited range enlargement, after through electrically controlled attenuator and numerical-control attenuator, then carry out Linear Amplifer adjustment gain, after modulator, carry out filtering again, obtain 6 ~ 18GHz simulator radio frequency output signal; 0.7 ~ 6GHz signal is obtained by 6 ~ 18GHz signal and the mixing of 13GHz phase locked source, and mixed signal is divided into 4 sub-bands after filtering, carries out wide-band linearity amplification respectively, then through the conditioning of numerical control attenuation amplitude, obtains the frequency output signal of 0.7 ~ 6GHz band modulation.Control module, the steering order from Comprehensive control computer is received by network interface, afterwards the parameter of guinea pig signal is calculated, control radar system produces functional module and produces the control signal such as modulating pulse and modulation code stream, radar system is produced functional module and is realized by complicated algorithm and logical design in the fpga chip inside of control module, according to the functional module subpackage of radar system type by difference in functionality, and carry out sorting and merging according to the radar system generation functional module of PC control code to FPGA inside that DSP resolves, thus produce single portion monomer system, the radar signal of multi-section monomer system and the many systems of multi-section exports.Control prompt change source afterwards and export current setpoint frequency, control modulation source and export frequency modulation, phase modulation or single-frequency intermediate-freuqncy signal, control the output signal that electrically controlled attenuator and numerical-control attenuator obtain setting amplitude, control modulator realize setting system pulsed modulation.
Concrete, control module, core is the dsp chip of TI, and DSP calculates the parameter of multi-section radar simulation signal in real time according to simulator optimum configurations, and the information such as the output amplitude of every portion radar.Sequence generation module produces the control signal such as modulating pulse and modulation code stream according to the result of calculation of DSP, and sequential produces and completed by FPGA; Modulation source control module configuration modulation DDS exports frequency modulation, phase modulation or single-frequency intermediate-freuqncy signal, and wherein the update signal of phase-modulated signal is provided by FPGA, and the enabling signal of FM signal is also produced by FPGA; Prompt change source control module controls prompt change source current time output frequency according to DSP result of calculation, upgrades prompt change source frequency word, selective filter group switch; Amplitude control module distributes numerical-control attenuator and electrically controlled attenuator according to guinea pig current power, and radio frequency output amplitude accurately controls, and the frequency response of radio frequency path is revised, frequency interval 50MHz; Output amplitude level is revised, amplitude interval 0.1dBm.PIN control voltage is produced by DAC, and level and frequency response correcting code are stored in Flash and E2PROM respectively.
The radar signal simulator power amplifier structure schematic diagram that Fig. 3 provides for the embodiment of the present invention.Radar signal simulator power amplifier comprises absorption electronics single-pole double-throw switch (SPDT), it is fast that absorption electronic switch has switch speed, the advantages such as standing wave is good, because energy absorption effectively can not produced stronger reflected signal when disconnecting by absorption electronic switch yet, therefore power amplifier can well be protected, 0.7 ~ 18GHz radiofrequency signal input radar signal simulator power amplifier structure that radar signal simulator main frame exports, this input signal is divided into 0.7 ~ 2GHz and 2 ~ 18GHz, two frequency ranges to be also sent to the high power amplifier of corresponding frequency band respectively by absorption electronic switch, respectively RF signal power is amplified to 4W, and export.
Signal simulator power amplifier structure can make system realize space radiation far away.
Possess environmental monitoring, power amplifier protection and alarm function simultaneously, Real-Time Monitoring is carried out to environment temperature and duty, carries out alarm by panel leds when noting abnormalities and power-off protection is carried out to power amplifier simultaneously.
In specific implementation, radar signal simulator power amplifier can select core component to be the power amplifier component of 0.7 ~ 2GHz and 2 ~ 18GHz, two frequency ranges, be divided into 0.7 ~ 2GHz and 2 ~ 18GHz, two frequency ranges to be also sent to the power amplifier of corresponding frequency band respectively 0.7 ~ 18GHz radiofrequency signal that radar signal simulator main frame exports by absorption-type single dpdt double-pole double-throw (DPDT) electronic switch, RF signal power is amplified to 4W; The control module core of power amplifier inside is 51 series monolithics; single-chip microcomputer carries out temperature value collection according to cabinet inside No. 5 temperature sensor; power amplifier work state is monitored simultaneously; carry out alarm by panel leds when noting abnormalities and power-off protection is carried out to power amplifier simultaneously, realize protecting equipment and the function of alarm.
The Comprehensive control computer structural representation that Fig. 4 provides for the embodiment of the present invention; This Comprehensive control computer, high-power many radars signal simulator optimum configurations is completed by human-computer interaction interface, comprise radar system, guinea pig quantity, frequency, pulsewidth, repetition, modulation type, amplitude and antenna scanning parameter etc., and be sent to the control module of radar signal simulator main frame and the control module of radar signal simulator power amplifier by network interface, overall control is realized to radar signal simulator.In figure, KVM assembly comprises display, keyboard and mouse etc., is the human-computer interaction device of system.PC control software is the software of user operation equipment, and user is by functions such as PC control software finishing equipment Operation system setting, file management, radar parameter setting, the setting of antenna scanning pattern, condition monitorings.
Comprehensive control computer can be implemented as: aobvious control interface is the human-computer interaction interface developed under Windows interface, complete simulator optimum configurations and state display, complete high-power many radars signal simulator optimum configurations by human-computer interaction interface, comprise radar system, frequency, pulsewidth, repetition, modulation type and pattern modulating bandwidth, frequency modulation time wide, frequency modulation type and antenna scanning parameter etc.; By 100 m ethernet port communications between host computer and slave computer, agreement is TCP/IP.
The sending antenna structure schematic diagram that Fig. 5 provides for the embodiment of the present invention.The two-way high-power RF signal sent by radar signal simulator power amplifier realizes the space radiation of radar simulation signal respectively by the dual polarization quadruple ridged horn antenna of 0.7 ~ 2GHz and 2 ~ 18GHz, two frequency ranges.Dual polarization quadruple ridged horn antenna is a kind of new antenna technology, be combined with+45 ° and the mutually orthogonal antenna of-45 ° of two secondary polarised direction and under being operated in transmission duplex pattern simultaneously, have bandwidth, volume is little, gain is high feature, dual polarized antenna can meet two dimensions simultaneously signal without the need to often adjusting aerial angle and orientation is launched.
In sum, embodiments provide a kind of high-power many radars signal simulator, the radar simulation signal of multiple system can be realized in single channel, and by changing the Changing Pattern artificial antenna scanning motion of output power, and radiation length far away can be had.
It will be understood by those skilled in the art that all or part of flow process realizing above-described embodiment method, the hardware that can carry out instruction relevant by computer program has come, and described program can be stored in computer-readable recording medium.Wherein, described computer-readable recording medium is disk, CD, read-only store-memory body or random store-memory body etc.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (7)
1. the signal simulator of radar more than, is characterized in that, comprises modulation source module, prompt change source module, mixing and filtering module, fixed ampllitude output module, radar signal simulator power amplifier and emitting antenna; The signal that described modulation source module exports and described victory become signal that source module exports and input after described mixing and filtering module carries out mixing and filtering respectively, enter after described radar signal simulator power amplifier amplifies and exported by described emitting antenna after described fixed ampllitude output module; Wherein, described modulation source control module configuration produces the radiofrequency signal of single-frequency, frequency modulation or phase modulation.
2. many radars signal simulator according to claim 1, it is characterized in that, described victory becomes source module and comprises prompt change digital frequency synthesizer, phase locked source, frequency mixer and multi-channel filter group, wherein, the intermediate-freuqncy signal that described victory change digital frequency synthesizer produces and the signal that phase locked source exports carry out mixing at described frequency mixer, and the signal after mixing obtains the radiofrequency signal of 11 ~ 17GHz after multi-channel filter group.
3. many radars signal simulator according to claim 1 and 2, it is characterized in that, described modulation source module comprises digital frequency synthesizer, phase locked source and mixing filter, wherein, described digital frequency synthesizer produces the intermediate-freuqncy signal of single-frequency, frequency modulation or phase modulation, and the C-band local oscillation signal that described intermediate-freuqncy signal and described phase locked source produce obtains the radiofrequency signal with modulation intelligence after described mixing filter mixing and filtering.
4. many radars signal simulator according to claim 1 and 2, it is characterized in that, described mixing and filtering module, the signal that signal and modulation source module for becoming source module output to described victory export carries out mixing post filtering, exports the radiofrequency signal of 6 ~ 18GHz.
5. many radars signal simulator according to claim 4, it is characterized in that, described fixed ampllitude output module comprises controlling of amplitude module, multi-channel filter, electrically controlled attenuator, numerical-control attenuator, modulator, and frequency mixer, described controlling of amplitude module carries out controlling of amplitude to the radiofrequency signal of 6 ~ 18GHz, by described multi-channel filter filtering, then through described modulator after described electrically controlled attenuator and numerical-control attenuator, described frequency mixer exports the radiofrequency signal of 0.7 ~ 18GHz.
6. many radars signal simulator according to claim 1 and 2, it is characterized in that, radar signal simulator power amplifier comprises absorption electronics single-pole double-throw switch (SPDT), 0.7 ~ 2GHz frequency range high power amplifier, with 2 ~ 18GHz frequency range high power amplifier, export after being divided into the signal of 0.7 ~ 2GHz and 2 ~ 18GHz, two frequency ranges to be sent to described 0.7 ~ 2GHz frequency range high power amplifier and the amplification of described 2 ~ 18GHz frequency range high power amplifier respectively after the described absorption electronic switch of 0.7 ~ 18GHz radiofrequency signal input that described fixed ampllitude output module exports.
7. many radars signal simulator according to claim 1 and 2, is characterized in that, described emitting antenna comprises the dual polarization quadruple ridged horn antenna being operated in 0.7 ~ 2GHz and 2 ~ 18GHz, two frequency ranges respectively.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106772297A (en) * | 2017-01-23 | 2017-05-31 | 上海广电通信技术有限公司 | Radar transmission power is measured and automatic frequency tracking system |
| CN107290729A (en) * | 2017-07-26 | 2017-10-24 | 成都华创电科信息技术有限公司 | Electromagnetism scene simulator and electromagnetic signal generation method |
| CN107835014A (en) * | 2017-10-25 | 2018-03-23 | 北京无线电计量测试研究所 | A kind of rf broadband frequency agility frequency source |
| CN108073149A (en) * | 2016-11-11 | 2018-05-25 | 华晨汽车集团控股有限公司 | Clock signal generation device |
| CN108205123A (en) * | 2016-12-16 | 2018-06-26 | 北京振兴计量测试研究所 | A kind of millimeter wave high powered radar signal simulator and analogy method |
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| CN109975772A (en) * | 2018-12-28 | 2019-07-05 | 北京航天测控技术有限公司 | A kind of more radar jamming performance detection systems |
| CN111505594A (en) * | 2020-04-30 | 2020-08-07 | 中国直升机设计研究所 | Portable radar signal simulator |
| CN111624564A (en) * | 2020-05-27 | 2020-09-04 | 北京润科通用技术有限公司 | Radar pitch angle target simulation system and method |
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| CN108073149A (en) * | 2016-11-11 | 2018-05-25 | 华晨汽车集团控股有限公司 | Clock signal generation device |
| CN108205123A (en) * | 2016-12-16 | 2018-06-26 | 北京振兴计量测试研究所 | A kind of millimeter wave high powered radar signal simulator and analogy method |
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| CN109459733A (en) * | 2018-10-26 | 2019-03-12 | 中电科仪器仪表有限公司 | Anticollision Radar target velocity simulator, system and method based on pm mode |
| CN109975772B (en) * | 2018-12-28 | 2021-11-05 | 北京航天测控技术有限公司 | Multi-system radar interference performance detection system |
| CN109975772A (en) * | 2018-12-28 | 2019-07-05 | 北京航天测控技术有限公司 | A kind of more radar jamming performance detection systems |
| CN111505594A (en) * | 2020-04-30 | 2020-08-07 | 中国直升机设计研究所 | Portable radar signal simulator |
| CN111624564A (en) * | 2020-05-27 | 2020-09-04 | 北京润科通用技术有限公司 | Radar pitch angle target simulation system and method |
| CN112946586B (en) * | 2020-12-09 | 2023-01-24 | 中国人民解放军93204部队 | C-band guidance radar simulation system |
| CN112946586A (en) * | 2020-12-09 | 2021-06-11 | 中国人民解放军93204部队 | C-band guidance radar simulation system |
| CN114675246A (en) * | 2022-05-27 | 2022-06-28 | 成都世源频控技术股份有限公司 | Novel radar signal simulator with long service life |
| CN114675246B (en) * | 2022-05-27 | 2022-08-19 | 成都世源频控技术股份有限公司 | Novel radar signal simulator with long service life |
| CN116736248A (en) * | 2023-08-16 | 2023-09-12 | 航宇伟创科技(北京)有限公司 | Full-pulse radar signal simulation method, radar signal simulator and host thereof |
| CN116736248B (en) * | 2023-08-16 | 2023-11-14 | 航宇伟创科技(北京)有限公司 | Full-pulse radar signal simulation method, radar signal simulator and host thereof |
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Application publication date: 20160427 |