CN204613396U - A kind of portable general radar signal simulator - Google Patents
A kind of portable general radar signal simulator Download PDFInfo
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- CN204613396U CN204613396U CN201520341161.7U CN201520341161U CN204613396U CN 204613396 U CN204613396 U CN 204613396U CN 201520341161 U CN201520341161 U CN 201520341161U CN 204613396 U CN204613396 U CN 204613396U
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Abstract
The utility model discloses a kind of portable general radar signal simulator, comprise signal generation unit and antenna element, signal generation unit comprises indicative control unit, channel control unit, frequency source, radio-frequency channel, and antenna element comprises power amplifier, radiating antenna; Be connected with channel control unit the indicative control unit that the operation of simulator controls, channel control unit is connected with frequency source and radio-frequency channel, and processes the radiofrequency signal that frequency source produces; The input end of radio-frequency channel is connected with channel control unit and frequency source, and output terminal is connected with the power amplifier of antenna element; Power amplifier is connected with radiating antenna.The utility model side's convenience, can online programming, multi-functional, modularization.
Description
Technical field
The utility model relates to a kind of radar signal simulator, specifically a kind of portable general radar signal simulator.
Background technology
At present, along with the complexity day by day of electromagnetic environment, more and more higher to the requirement of portable general purpose radar, demand is more and more urgent, current, the research contents of general radar signal simulation mainly concentrates on software simulation algorithm and hardware signal generates, and software simulation algorithm lacks authenticity, hardware signal generation method lacks dirigibility, cannot meet the demand of portable General Radar Signal Simulator.
Summary of the invention
In order to overcome prior art Problems existing, the purpose of this utility model is to provide a kind of portable General Radar Signal Simulator, and this radar signal simulator can be implemented in line programming, general radar signal simulation, Radar operation modes simulation, multi signal environmental simulation; Inner adopt Highgrade integration module, make that volume is smaller and more exquisite to be easy to carry; Adopt detachable board to design, convenient disassembly is easy to carry about with one flexibly and keeps in repair.Principal feature of the present utility model be convenience, can online programming, multi-functional, modularization.
The purpose of this utility model is achieved through the following technical solutions:
A kind of portable general radar signal simulator, it is characterized in that: this simulator comprises signal generation unit and antenna element, signal generation unit comprises indicative control unit, channel control unit, frequency source, radio-frequency channel, and antenna element comprises power amplifier, radiating antenna; Be connected with channel control unit the indicative control unit that the operation of simulator controls, channel control unit is connected with frequency source and radio-frequency channel, and processes the radiofrequency signal that frequency source produces; The input end of radio-frequency channel is connected with channel control unit and frequency source, and output terminal is connected with the power amplifier of antenna element; Power amplifier is connected with radiating antenna.
In the utility model, indicative control unit: indicative control unit has intelligentized feature, the operation of its control simulation device, the every control to simulator is completed by computing machine, devise good man-machine interface, and have automatic detection function, the mistake caused to avoid user operation, user also checks the current state of each tributary signal by this interface, comprise signal type and corresponding parameters, the major function that it comprises has: radar data library management, test combat is arranged, equipment runs and controls, automatic error detection prompting mistake, user's parameters, equipment running status display etc.
The utility model adopts embedded computer at indicative control unit, main because embedded computer has the features such as convenience, high-level efficiency and high-quality, its main building block has: liquid crystal display, PC104, FLASH hard disk, keyboard decoding plate, keyboard backboard, finger-board, rubber key and some external communication interface etc.
Channel control unit: channel control unit mainly completes the generation of the frequency of radio frequency signal, pulsewidth, the various ways modulation signal such as repetition and amplitude, and the function such as number change, interval variation of multiple pulse.The core of channel control unit is the high-level application technology of fpga chip, both parallel pipelining process processor structure.Combat parameter is first sent to FPGA channel control board by host computer or other communication facilities, then some modules of FPGA inside are dealt with to combat parameter and are distributed to each pulse and describe control word and resolve module, then each pulse describes control word and resolves module and work alone, then the result resolved is exported to pulse and describe control word sequential queue module, carry out pulse and describe the queuing of control word sequential and pulse missing process; The result resolved the most at last exports pulse to and describes control word output control module, finally exports to signal source.
Frequency source: because portable simulator is to the frequency accuracy of frequency source, put time requirement frequently higher, therefore select Direct frequency synthesizer scheme, DDS frequency generator produces various frequency modulation (common frequency modulation, linear frequency modulation and nonlinear frequency modulation etc.) and the prompt notelet number of frequency, there is low cost, low-power consumption, the advantage such as high resolving power and fast conversion times is widely used, therefore we utilize DDS to jump to realize fine frequency step, and by and one group of point of jumping with the thick smart frequency steps of the high stability crystal oscillator mark that is reference frequency source composition frequently frequently carry out mixing, filtering and amplification generate the signal of each frequency range.
Radio-frequency channel: radio-frequency channel is made up of programmable attenuator, amplifier and single-pole double-throw switch (SPDT).The loss of amplifier offset channel power, programmable attenuator completes the control of radio-frequency power, and single-pole double-throw switch (SPDT) selects output channel according to frequency of operation.
Antenna element: antenna element is primarily of power amplifier, radiating antenna composition.Power amplifier adopts two-way, comprises 2 ~ 8GHz power amplifier and 8 ~ 18GHz power amplifier.In order to reduce the power attenuation in transmission line, increase the maximal input of antenna, strengthen EFFECTIVE RANGE, adopt antenna and power amplifier integrated design, power amplifier is placed directly in after antenna, and take heat radiation and waterproof measure accordingly, so both reduce volume and turn reduce power attenuation.
In the utility model, general radar signal simulation:
The various radar signal of general radar signal simulation main analog and unjammable radar signal, comprise general pulse, common continuous wave, repetition shake, PRF staggering, pulse Doppler, pulse group, frequency agility, frequency diversity, linear frequency modulation, modulation waveform, phase encoding etc.Also the parameter such as signal type, pulsewidth, repetition period, rf frequency can specified according to user, each relevant portion of control simulation device, finally exports the signal met the demands.
Radar operation modes is simulated:
General radar signal simulation can the various working methods of guinea pig, comprising radar detection performance, radar operation mode switching etc., especially to the simulation of missile attack different phase end-guidance radar signal working method change;
Multi signal environmental simulation:
The utility model can simulate the radar signal of 16 multiple systems simultaneously, constructs the radar electromagnetic signal environment of intensive complexity;
The utility model can be implemented in line programming, general radar signal simulation, Radar operation modes simulation, multi signal environmental simulation; Inner adopt Highgrade integration module, make that volume is smaller and more exquisite to be easy to carry; Adopt detachable board to design, convenient disassembly is easy to carry about with one flexibly and keeps in repair.Principal feature of the present utility model be convenience, can online programming, multi-functional, modularization.The utility model is a small and exquisite, light, easy-to-use radiant type radar signal environment analog machine.
Accompanying drawing explanation
Fig. 1 is composition frame chart of the present utility model.
Passage control block diagram in Fig. 2 the utility model.
Fig. 3 is radio-frequency channel block diagram in the utility model.
Embodiment
A kind of portable general radar signal simulator, comprising: signal generation unit 7 and antenna element 8.Signal generation unit comprises: indicative control unit 1, channel control unit 2, frequency source 3, radio-frequency channel 4.Antenna element comprises power amplifier 5, radiating antenna 6; Power amplifier adopts two-way, comprises 2 ~ 8GHz power amplifier 51 and 8 ~ 18GHz power amplifier 52.Be connected with channel control unit the indicative control unit that the operation of simulator controls, channel control unit is connected with frequency source and radio-frequency channel, and processes the radiofrequency signal that frequency source produces; The input end of radio-frequency channel is connected with channel control unit and frequency source, and output terminal is connected with the power amplifier of antenna element; Power amplifier is connected with radiating antenna.
First user inputs initial parameter at indicative control unit 1 as requested, then the initial parameter of indicative control unit 1 pair of user's input is analyzed, be sent to channel control unit 2 in the form of a command, on-test, the order that channel control unit 2 sends according to indicative control unit 1 calculates, and produces pulse descriptor data stream and comes controlled frequency source 3 and radio-frequency channel 4.The order that frequency source 3 sends according to channel control unit 2 produces radiofrequency signal and the modulation signal such as frequency modulation, phase modulation, radiofrequency signal is sent to radio-frequency channel 4 by frequency source 3, radiofrequency signal is divided into 2 ~ 8GHz and 8 ~ 18GHz two-way by radio-frequency channel 4 under the control of channel control unit 2 after the process of amplifier, programmable attenuator and switch, then this two paths of signals is delivered to 2 ~ 8GHz and 8 ~ 18GHz antenna element 8, after the power amplification of antenna element 8, be sent in the air by radiating antenna, produce complicated radar signal environment.
Wherein the concrete implementation step of channel control unit is: combat parameter 9 is sent to communication management module 10 by indicative control unit, combat parameter is carried out sending to pulse to describe control word after analysis is resolved and is resolved module 11 by communication management module, pulse describes control word and resolves module 11 and will resolve parameter, and the result resolved is sent to pulse and describes control word sequential queue module 12, pulse describes control word sequential queue module 12 and carries out pulse sequence and queue up and resolve and the result resolved is sent to pulse and describe control word output control module 13, finally export to signal source 14.
The concrete implementation step of radio-frequency channel is: radio-frequency channel is made up of programmable attenuator 17, amplifier 16 and switch 18, amplifier 16 compensation channels power attenuation, programmable attenuator 17 completes the control of radio-frequency power, and single-pole double-throw switch (SPDT) 18 selects output channel according to frequency of operation.
The utility model can be implemented in line programming, general radar signal simulation, Radar operation modes simulation, multi signal environmental simulation; It is a small and exquisite, light, easy-to-use radiant type radar signal environment analog machine.
Claims (5)
1. a portable general radar signal simulator, it is characterized in that: this simulator comprises signal generation unit (7) and antenna element (8), signal generation unit (7) comprises indicative control unit (1), channel control unit (2), frequency source (3), radio-frequency channel (4), and antenna element (8) comprises power amplifier (5), radiating antenna (6); Be connected with channel control unit (2) the indicative control unit (1) that the operation of simulator controls, channel control unit (2) is connected with frequency source (3) and radio-frequency channel (4), and processes the radiofrequency signal that frequency source (3) produces; The input end of radio-frequency channel (4) is connected with channel control unit (2) and frequency source (3), and output terminal is connected with the power amplifier (5) of antenna element (8); Power amplifier (5) is connected with radiating antenna (6).
2. portable general radar signal simulator according to claim 1, is characterized in that: indicative control unit (1) has man-machine interface, is checked the current state of each tributary signal by man-machine interface, comprises signal type and corresponding parameters.
3. portable general radar signal simulator according to claim 1, is characterized in that: channel control unit (2) completes the generation of the frequency of radio frequency signal, pulsewidth, repetition and am signals, and pulse number change, interval variation.
4. portable general radar signal simulator according to claim 1, it is characterized in that: in radio-frequency channel (4), be provided with the amplifier (16), programmable attenuator (17) and the single-pole double-throw switch (SPDT) (18) that are connected with frequency source signal successively, when the loss of amplifier offset channel power, programmable attenuator (17) completes the control of radio frequency power, and single-pole double-throw switch (SPDT) (18) selects output channel according to frequency of operation.
5. portable general radar signal simulator according to claim 1, is characterized in that: power amplifier (5) comprises 2 ~ 8GHz power amplifier (51) and 8 ~ 18GHz power amplifier (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520341161.7U CN204613396U (en) | 2015-05-25 | 2015-05-25 | A kind of portable general radar signal simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520341161.7U CN204613396U (en) | 2015-05-25 | 2015-05-25 | A kind of portable general radar signal simulator |
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| Publication Number | Publication Date |
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| CN204613396U true CN204613396U (en) | 2015-09-02 |
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| CN201520341161.7U Expired - Fee Related CN204613396U (en) | 2015-05-25 | 2015-05-25 | A kind of portable general radar signal simulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104808186A (en) * | 2015-05-25 | 2015-07-29 | 扬州宇安电子科技有限公司 | Portable universal radar signal simulator |
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2015
- 2015-05-25 CN CN201520341161.7U patent/CN204613396U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104808186A (en) * | 2015-05-25 | 2015-07-29 | 扬州宇安电子科技有限公司 | Portable universal radar signal simulator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |