CN109814079A - A kind of three-dimensional radar simulation system - Google Patents

A kind of three-dimensional radar simulation system Download PDF

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Publication number
CN109814079A
CN109814079A CN201910176667.XA CN201910176667A CN109814079A CN 109814079 A CN109814079 A CN 109814079A CN 201910176667 A CN201910176667 A CN 201910176667A CN 109814079 A CN109814079 A CN 109814079A
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China
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module
radar
control module
frequency
aircraft
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CN201910176667.XA
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Chinese (zh)
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杨红卫
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Shanghai Zhiliang Electronic Technology Co Ltd
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Shanghai Zhiliang Electronic Technology Co Ltd
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Priority to CN201910176667.XA priority Critical patent/CN109814079A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Abstract

The invention discloses a kind of three-dimensional radar simulation systems, including aircraft, comprehensive Radio Frequency Subsystem and ground installation;Equipped with GPS positioning module, difference DPS locating module, digital transmission module, winged control module, remote control module and STM32 control module on the aircraft;The comprehensive Radio Frequency Subsystem includes radio-frequency module, IF process module and control module;The ground installation includes that the main control computer connected by VPX bus, ground operation dispatching control module, digital signal panel card, storage motherboard and Receiver Module, the storage motherboard are connected with several pieces of mass data storage modules.This system carries advanced comprehensive Radio Frequency Subsystem using minute vehicle and ground installation collectively forms radar simulator distributed, in three-dimensional space free movement, inherently solves the problems, such as that conventional radar simulator lacks mobility, influenced by land clutter, being difficult to realize that analog device cooperates with and networking etc. is long-standing.

Description

A kind of three-dimensional radar simulation system
Technical field
The present invention relates to Radar Technology field, specially a kind of three-dimensional radar simulation system.
Background technique
Radar is a kind of electronics for utilizing target the reflection of electromagnetic wave of radar emission to be found and identified target.Thunder All play a significant role in modern war and economic construction up to equipment, is widely used in dual-use every field. Military radar includes early warning radar (ultra long range radar), search and surveillance radar, guidance commander radar (surveillance radar), fire control thunder It reaches, guidance radar, battlefield surveillance radar, airborne radar etc..Commerical radar further includes meteorological thunder based on marine navigation radar It reaches, air traffic control radar, remote sensing radar, mapping radar, low altitude small target surveillance radar etc..
For radar simulator by computer software and hardware, the signal for receiving tested radar simultaneously carries out certain processing, finally to The tested predefined electromagnetic signal of radar emission, for simulating the complicated electricity such as true radar, radar chaff or radar target Magnetic environment.Radar simulator is widely used in the research and development debugging of radar, design identification, production testing, over-the-counter calibration, maintenance support Etc. each stage.For example, weather radar needs radar simulator to generate complicated weather environment, to detect weather radar in complexity The detection performance of weather.Marine navigation radar is also required to radar simulator and generates complicated sea clutter and multiple target, for detecting The anticollision detection performance of marine navigation radar.Radar not only can be improved by reconstructing true electromagnetic environment in radar simulator Debugging efficiency shortens the lead time, additionally it is possible to substantially reduce development cost and risk, therefore the development in radar, production, operation and Occupy important specific gravity in the investment budgey of maintenance support.
Make a general survey of status, technical level and the development trend of disclosed radar simulator both at home and abroad, radar simulator it is following Problems are also by long-term existence: 1, lack the mobility of three-dimensional space, current radar simulator is installed in fixed point, It is moved as ground, roof frame are high, or on fixed line, such as tower crane.The mounting means of this fixation is difficult to simulated altitude, movement The complex electromagnetic environments such as radar target, radar chaff requirement;2, background clutter is untrue, current radar simulator due to Installation site is close to ground or sea, influence of the radar signal received vulnerable to ground, sea clutter, the back faced with aerial target Scape clutter differs greatly;3, it is difficult to realize the collaboration of analog device and networking, various dual-use radars are required to more simulations Device needs to cooperate with each other from different directions and apart from generation target or interference signal, is supplied with constructing complicated electromagnetic environment Tested radar uses.For example, the Performance Evaluation of weather radar needs different direction, different distance, different characteristics to be scattered back Wave, the Performance Evaluation of air traffic control radar need different direction, different distance, different aircraft scatter echo, marine navigation radar Crashworthiness assessment need to construct multiple targets from different direction and different pitching to simulate multiple ships or barrier, usually No less than ten.Current radar simulator is difficult to that forming quantity is numerous and mutually networking and collaboration, is not able to satisfy current thunder The needs developed up to the needs and emerging technology of Performance Evaluation.
Summary of the invention
The problem of for background technique, the present invention provides a kind of three-dimensional radar simulation systems.
To achieve the above object, the invention provides the following technical scheme: a kind of three-dimensional radar simulation system, including flight Device, comprehensive Radio Frequency Subsystem and ground installation;
Equipped with GPS positioning module, difference DPS locating module, digital transmission module, winged control module, remote control on the aircraft Module and STM32 control module;
The comprehensive Radio Frequency Subsystem includes radio-frequency module, IF process module and control module;
The ground installation includes the main control computer connected by VPX bus, ground operation dispatching control module, number letter Number processing board, storage motherboard and Receiver Module, the storage motherboard be connected with several pieces of mass data storage moulds Block.
As a preferred technical solution of the present invention, the radio-frequency module include rf receiver unit, frequency synthesizer unit with And rf transmitter unit;
The rf receiver unit realizes down coversion conversion, the filtering, power level of signal after receiving radar signal IF process module is fed through after matching;
The rf transmitter unit passes through function after carrying out up-conversion, filtering to the intermediate-freuqncy signal that intermediate frequency processing module generates again Rate amplification passes through antenna to radar emission;
The frequency synthesizer unit provides the frequency source and number of high-performance high stable for the digital display circuit on Up/Down Conversion and plate Clock.
As a preferred technical solution of the present invention, the aircraft uses multi-rotor unmanned aerial vehicle platform.
Compared with prior art, the beneficial effects of the present invention are: the 1, system orientation and pitching to flexible deployment It can be realized the three-dimensional space flexible motion characteristic that conventional simulator cannot achieve, there is key for really assessing radar performance Property effect;2, realize simulator in characteristics such as the position of three-dimensional space, speed, tracks using the programmable trajectory planning of aircraft Relevant design, break limitation, the multifrequency nature constraint such as uncorrelated of conventional simulator target locomitivity, realize simulation pair The real simulation of elephant;3, using high-precision location technique realize accurately radial, tangential, pitching to position control and how general Compensation is strangled, effective means is provided for the high-precision analog of complex electromagnetic environment, realizes the function that conventional simulator is difficult to realize;4, By unified trajectory planning to multi rack aircraft and signal collaboration processing, can flexibly guinea pig to the identification of multiple targets and Respond and guinea pig target, interference and the simultaneous complex scene of multi-section radar, to radar system comprehensive performance Examination plays a key effect;5, it is cooperated between multi-aircraft, various radars, radar target, radar chaff can be generated Complex electromagnetic environment realizes air formation, multi-target jamming, bigger interference covering of the fan and interference state abundant in military domain Gesture realizes complicated meteorology environment, complicated airport environment, complicated sea ship condition in civil field, for disturbing for dual-use radar Performance Evaluation, which provides, sufficiently to be supported, complex electromagnetic environment is really presented;6, when radar cooperation conventional simulator carries out field trial, It is readily incorporated ground, sea clutter, the target echo characteristic and the aerial real goal error such as carrier aircraft, guided missile of generation are very big, Bu Nengzhen The aerial target and interference of real modeling radar.By the change of the system deployment position, it will avoid receiving radar signal by week The influence of exclosure sea clutter.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional radar simulation system configuration diagram provided by the invention;
Fig. 2 is aircraft and carrying schematic diagram in a kind of three-dimensional radar simulation system provided by the invention;
Fig. 3 is the flight control schematic diagram enhanced in a kind of three-dimensional radar simulation system provided by the invention;
Fig. 4 is comprehensive Radio Frequency Subsystem functional block diagram in a kind of three-dimensional radar simulation system provided by the invention;
Fig. 5 is that the IF process module of comprehensive Radio Frequency Subsystem in a kind of three-dimensional radar simulation system provided by the invention is former Manage block diagram;
Fig. 6 is ground installation configuration diagram in a kind of three-dimensional radar simulation system provided by the invention;
Fig. 7 is ground installation functional schematic in a kind of three-dimensional radar simulation system provided by the invention;
In figure: 100- aircraft;101-GPS locating module;102- difference DPS locating module;103- digital transmission module;104- Fly control module;105- remote control module;106-STM32 control module;200- integrates Radio Frequency Subsystem;201- radio-frequency module;2011- Rf receiver unit;2012- frequency synthesizer unit;2013- rf transmitter unit;202- IF process module;203- control module; 300- ground installation;301-VPX bus;302- main control computer;The ground 303- operation dispatching control module;304- digital signal Handle board;305- stores motherboard;306- Receiver Module;307- mass data storage module.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment:
Fig. 1 and Fig. 2 are please referred to, the present invention provides a kind of three-dimensional radar simulation system, including aircraft 100, comprehensive radio frequency Subsystem 200 and ground installation 300;
On the aircraft 100 equipped with GPS positioning module 101, difference DPS locating module 102, digital transmission module 103, fly Control module 104, remote control module 105 and STM32 control module 106;
The comprehensive Radio Frequency Subsystem 200 includes radio-frequency module 201, IF process module 202 and control module 203;
The ground installation 300 includes the main control computer 302 connected by VPX bus 301, ground operation scheduling controlling mould Block 303, digital signal panel card 304, storage motherboard 305 and Receiver Module 306, the storage motherboard 305 connect There are several pieces of mass data storage modules 307.
As shown in figure 3, aircraft 100 uses multi-rotor unmanned aerial vehicle platform in the present invention, obtained by GPS positioning module 101 The position return information of aircraft 100 is taken, then the location information with the data logger input in ground installation makes the difference, and obtains The net input quantity of relative position inputs to the calculation amount in the STM32 control module 106 carried on customization aircraft 100 API flight control parameter is flown to reach control aircraft 100.Need continuously to obtain position feedback quantity, it is poor to obtain Value inputs to API, to achieve the effect that steadily to control.
As shown in figure 4, the synthesis Radio Frequency Subsystem 200 in the present invention includes radio-frequency module 201 and IF process module 202 With control module 203, wherein radio-frequency module 201 include:
Rf receiver unit 2011 realizes down coversion conversion, the filtering, power of signal after receiving radar signal After the functions such as electrical level match, it is sent into the digital IF process module 202 of low-power consumption;
Rf transmitter unit 2012, effect are that the intermediate-freuqncy signal generated to low-power consumption IF process module 202 carries out Power amplification is carried out after frequency conversion, filtering passes through antenna to radar emission;
Frequency synthesizer unit 2013, for the digital display circuit on Up/Down Conversion and plate provide high-performance high stability frequency source and Digital dock.
In view of the frequency range of system covering includes multiple frequency ranges such as P/L/S/C/X/Ku/K/Ka, for different frequency ranges, Various sizes of antenna is needed, while radio frequency front and back end will also select the device for being suitble to different frequency range.In view of aircraft itself Lifting capacity, power supply level, on the one hand improve the bandwidth of the radio-frequency front-end in same frequency range, to radio circuit carry out it is integrated Design guarantees the subminaturization of radio circuit and integrated.On the other hand to different frequency range using same-interface, mutually isostructural Modularized design can directly be replaced by dual-mode antenna, radio-frequency module 201 for the tested object of different frequency range, complete to penetrate The covering of frequency.
As shown in figure 5, IF process module 202 to the intermediate-freuqncy signal received, after real time signal processing, is selected It is accordingly tested the intermediate frequency data of radar object out.It is recorded according to the physical location of 100 platform of current flight device and ground data The control of instrument generates corresponding location information and control data, and the parameter of update module on this basis in real time, to generate phase The simulated object answered, and further control the next step flying quality of aircraft 100.
Since the lifting capacity of aircraft 100 itself, power supply level limit, IF process module 202 is mainly realized real-time The demanding calculation function of property.Operation includes to radar parameter extraction, the resolving of current location, aircraft flight control, simulation The control parameter calculating of target, short distance avoidance, the functions such as direction finding of being tested radar.Corresponding radar mesh is generated on this basis Mark simulation, radar chaff simulation or radar signal.Novel, large capacity FPGA combination high speed, high efficiency ARM will be used in the application Processor completes above-mentioned arithmetic operation, by exquisite circuit design combination high side device, meets the digital target mould of low-power consumption Quasi-/interference module miniaturization, high integration demand.
The main Interface Controller for realizing comprehensive Radio Frequency Subsystem of control module 203 and reliable, high-speed data communication, Its function includes:
The sensing data for receiving aerocraft system is sent to IF process module 202 and carries out real time position estimation resolving;
The control instruction and control data for receiving ground installation, configure radio-frequency module 201 and IF process module 202, produce The data of raw corresponding simulated object;
The relevant status information of aircraft 100 and electromagnetic environment data in the sky are transferred to ground installation to carry out further Analysis to construct the electromagnetic data at next moment;
Quiescent dissipation is reduced by the power control and power management of digital end for different functions, for different realities When property requires to reduce the dynamic power consumption of digital end, improves the experience of user, increases the effective time of whole analogue simulation.
As shown in fig. 6, main control computer of the ground installation 300 using high performance X86-based and high speed VPX bus 301 302 using auspicious CPC-1817CLD5NA-H type CPU board is ground, as shown in fig. 7, realizing following functions:
Muti-piece is based on the digital signal panel card of large-capacity and high-performance FPGA+ multi-disc parallel high-speed DSP architecture for electricity Magnetic environment resolving, the generation of electromagnetic environment digital signal;
The calculating of environment scene parameter and echo field are completed for the various scenario parameters auxiliary main control computer of user setting Scape parameter calculates;
Mass data storage module 307 has recorded various database informations required for complex electromagnetic environment is predicted, packet Include radar real-time waveform data library, radar equipment database, radar chaff equipment database, clutter and other signal datas Library.Database can carry out real-time update to its content according to user demand simultaneously;
Operation dispatching control module in ground carries out operation scheduling, while responsible and ground system to the muti-piece processing board on ground The interface of other upper real-time control units.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (3)

1. a kind of three-dimensional radar simulation system, it is characterised in that: including aircraft, comprehensive Radio Frequency Subsystem and ground installation;
Equipped with GPS positioning module, difference DPS locating module, digital transmission module, winged control module, remote control module on the aircraft And STM32 control module;
The comprehensive Radio Frequency Subsystem includes radio-frequency module, IF process module and control module;
The ground installation includes the main control computer connected by VPX bus, ground operation dispatching control module, digital signal Reason board, storage motherboard and Receiver Module, the storage motherboard are connected with several pieces of mass data storage modules.
2. a kind of three-dimensional radar simulation system according to claim 1, it is characterised in that: the radio-frequency module includes radio frequency Receiving unit, frequency synthesizer unit and rf transmitter unit;
The rf receiver unit realizes the down coversion conversion, filtering, power level matching of signal after receiving radar signal After be fed through IF process module;
The rf transmitter unit is put by power again after carrying out up-conversion, filtering to the intermediate-freuqncy signal that intermediate frequency processing module generates Pass through antenna greatly to radar emission;
The frequency synthesizer unit provides the frequency source and digital dock of high-performance high stable for the digital display circuit on Up/Down Conversion and plate.
3. a kind of three-dimensional radar simulation system according to claim 1, it is characterised in that: the aircraft uses more rotors Unmanned aerial vehicle platform.
CN201910176667.XA 2019-03-08 2019-03-08 A kind of three-dimensional radar simulation system Pending CN109814079A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111650568A (en) * 2020-05-12 2020-09-11 扬州海科电子科技有限公司 Radar simulator device based on unmanned aerial vehicle
CN113204014A (en) * 2021-03-31 2021-08-03 扬州瑞亿达电子科技有限公司 Three-dimensional radar simulation method and system based on multi-unmanned aerial vehicle distributed radar
CN114814742A (en) * 2022-06-30 2022-07-29 南京宇安防务科技有限公司 Airborne radar countermeasure equipment based on servo platform

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CN108375773A (en) * 2018-02-10 2018-08-07 高若谦 A kind of multi-channel laser radar three-dimensional point cloud measuring system and measurement method
CN208270756U (en) * 2018-06-14 2018-12-21 武汉天汉达科技发展有限公司 Airborne fire control radar echo signal simulation system
CN209167529U (en) * 2019-03-08 2019-07-26 上海志良电子科技有限公司 A kind of three-dimensional radar simulation system

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US5457463A (en) * 1991-06-05 1995-10-10 The Commonwealth Of Australia Radar return signal simulator
US20180024236A1 (en) * 2015-02-09 2018-01-25 Artsys360 Ltd. Aerial traffic monitoring radar
CN107991654A (en) * 2016-10-27 2018-05-04 北京遥感设备研究所 A kind of method for weather radar servo-information and intermediate-freuqncy signal synchronous acquisition
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111650568A (en) * 2020-05-12 2020-09-11 扬州海科电子科技有限公司 Radar simulator device based on unmanned aerial vehicle
CN113204014A (en) * 2021-03-31 2021-08-03 扬州瑞亿达电子科技有限公司 Three-dimensional radar simulation method and system based on multi-unmanned aerial vehicle distributed radar
CN114814742A (en) * 2022-06-30 2022-07-29 南京宇安防务科技有限公司 Airborne radar countermeasure equipment based on servo platform
CN114814742B (en) * 2022-06-30 2022-09-06 南京宇安防务科技有限公司 Airborne radar countermeasure equipment based on servo platform

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