CN202330705U - Device for carrying out ground detection on airborne radar by simulating movement target - Google Patents
Device for carrying out ground detection on airborne radar by simulating movement target Download PDFInfo
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- CN202330705U CN202330705U CN201120438300XU CN201120438300U CN202330705U CN 202330705 U CN202330705 U CN 202330705U CN 201120438300X U CN201120438300X U CN 201120438300XU CN 201120438300 U CN201120438300 U CN 201120438300U CN 202330705 U CN202330705 U CN 202330705U
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Abstract
The utility model discloses a device for carrying ground detection on an airborne radar by simulating a movement target, wherein an output end of a PDA (Personal Digital Assistant) is connected with an input end of a video controller; four output ends of the video controller are respectively connected with a first intermediate frequency generator, a second intermediate frequency generator, a first radio frequency assembly and a second radio frequency assembly; an intermediate frequency signal output end of the first intermediate frequency generator is connected with an input end of the first radio frequency assembly; the other input end of the first radio frequency assembly is connected with a local oscillation signal source of the radar; two output ends of the first radio frequency assembly are respectively connected with an antenna and the second radio frequency assembly; an intermediate frequency signal output end of the second intermediate frequency generator is connected with an input end of the second radio frequency assembly; and an output end of the second radio frequency assembly is also connected with the antenna. The device disclosed by the utility model can vividly simulate a target figure and accords with an actual condition of an air scene. Various property indexes of the airborne radar can be directly and effectively tested on the ground by using the technology. Therefore, the device is important to both military and civil modern airplanes.
Description
Technical field
The utility model is applied to the detection and the personnel training of aviation airborne equipment, and a kind of specifically airborne radar of facing on ground carries out the equipment that moving target is simulated.
Background technology
Airborne radar is the eyes of aircraft, is the visual plant that guarantees flight safety.The airborne Radar Development is very swift and violent; Develop into present search and tracking by original search, criticize by original search, tracking report and criticize target less and develop into present time search and follow the tracks of many batches, the aerial target of multi-direction, friction speed, different distance, differing heights.Be the reliability of check flight airborne radar, must make an experiment in the face of it on ground.Can the check in past only be confined to find target echo on ground, and as far as contemporary aircraft, then not only will find target, and will find and follow the tracks of the target of various different aeronautical datas simultaneously.Therefore need a kind of scientific approach that can simulate various parameters, and be equipped with high performance echo signal generator, carry out analog detection in the face of it, whether can carry out aerial mission to guarantee this aircraft on ground.
The utility model content
The utility model technical matters to be solved is that the ground checkout equipment to airborne radar carries out technological improvement; Provide a kind of and carry out the equipment that moving target is simulated in the face of airborne radar on ground; To detect each item performance of radar, adapt to the reliability that the type aircraft complicated technology required and ensured its real work aloft.
The described skimulated motion target of the utility model is carried out the device of ground detection to airborne radar; It comprises PDA, Video Controller; The output terminal of said PDA is connected with the input end of Video Controller, and four output terminals of Video Controller connect first medium-frequency generator, second medium-frequency generator, first radio frequency component and second radio frequency component respectively; The intermediate-freuqncy signal output terminal of first medium-frequency generator is connected with the input end of first radio frequency component, and another input end of first radio frequency component connects the local oscillation signal source of radar; Two output terminals of first radio frequency component connect the antenna and second radio frequency component respectively; The intermediate-freuqncy signal output terminal of second medium-frequency generator is connected with the input end of second radio frequency component, and the second radio frequency component output terminal also connects antenna.
The principle of work of the utility model: PDA is connected with Video Controller, and Video Controller output contains the multispectral velocity information f that reins in
dSignal to medium-frequency generator, simultaneously the transmitter of Video Controller produces the RF switch in range gate generator signal to the first and second radio frequency component; First local oscillation signal that airborne radar is sent here; After limiting amplifier amplitude limit in first radio frequency component amplifies; Carry out power division by power splitter, wherein one the tunnel be sent to second radio frequency component, another road in first radio frequency component with the first medium-frequency generator signal mixing; After amplifying by radio-frequency power amplifier again, be sent to emitting antenna through electromagnetic switch and numerical-control attenuator; The second local oscillator coherent frequency baseband signal that is provided by radar contains f what second medium-frequency generator and Video Controller were sent here
dSignal carry out coherent and handle to produce intermediate-freuqncy signal, information actings in conjunction such as the distance that provides through Video Controller with PDA, signal intensity produce the simulating signal that contains target data in radio system.
The utility model is used for the airborne radar target simulator of ground detection; One, two local oscillation signals that it utilizes the aircraft airborne radar to provide add by forming the radar simulation signal that contains the various aeronautical datas of target after the information such as the distance of PDA programming, speed; Receive and carry out target search, tracking by airborne radar, thereby reach the purpose that detects airborne Radar Technology performance.
The utility model utilizes PDA to produce the programming technique of the live targetpath set of data of simulation airflight; To contain many batches, the simulated flight target information of multi-direction, friction speed, different distance, different type of machines signal; Video, intermediate frequency, radio system through target simulator are transformed into the receivable echo signal of radar, and airborne radar is carried out Performance Detection.Its simulated target lifelike image meets the actual conditions of aerial scene.Each item performance index that adopt this technology can directly face airborne radar on ground are directly tested effectively, have avoided in the past the sort of and can only test the single way whether the search lighting objective function possesses.According to old method, just can obtain checking in the many batches of targeted environment that its characteristic of following the tracks of many batches of targets can only be specific aloft.This technology can be simulated aerial realistic objective environment, can carry out full test to airborne radar on ground, and military, civilian present generation aircraft is all had important value.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Like Fig. 1, the radar simulator in the utility model is by PDA, Video Controller, and first, second medium-frequency generator, first, second radio frequency component and power supply etc. are partly formed:
PDA (palm PC):
The various flight parameters of the required simulated target of radar simulator are provided; Comprising information such as target velocity, distances; Deliver to Video Controller and first, second medium-frequency generator respectively, control it and produce preset and analog informations such as the corresponding speed of airbound target, distance, signal intensity.
Video Controller:
Function: realize communication with the PDA controller; Completion is to the delay of video pulse signal; The required frequency offset data of output medium-frequency generator; The required damping capacity data of output microwave treatment module; The drive signal that output slab ABC and synchro light are required.
Input: video pulse signal, PDA controller
Output: the two-way retardation is controllable Fixed width degree video pulse signal respectively; Two groups of controlled respectively damping capacity data and frequency offset data; Four pilot lamp drive signals
First, second medium-frequency generator:
Function: by the high stability 100MHz reference source that radar is sent here, utilize the DDS technology to produce the intermediate-freuqncy signal of two-way, ± 32.5KHz is variable.
Input: 100MHz reference source; Two-way frequency offset data
Output: two-way intermediate-freuqncy signal; The pilot lamp drive signal that outside 100MHz reference source exists
First, second radio frequency component:
Output multichannel high s/n ratio, high stability, high-isolation, the pulsed modulation microwave signal that output power is adjustable.
Input: two-way intermediate-freuqncy signal IF1 and IF2; One road local oscillation signal LO; Two-way damping capacity data
Output: multichannel is the R of adjustable power respectively
fSignal; The pilot lamp drive signal that local oscillation signal LO exists
Above-mentioned these embodiments only are used to explain the utility model; But do not limit the scope of the utility model; After having read the utility model, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the utility model.
Claims (1)
1. a skimulated motion target is carried out the device of ground detection to airborne radar; It is characterized in that: it comprises PDA, Video Controller; The output terminal of said PDA is connected with the input end of Video Controller, and four output terminals of Video Controller connect first medium-frequency generator, second medium-frequency generator, first radio frequency component and second radio frequency component respectively; The intermediate-freuqncy signal output terminal of first medium-frequency generator is connected with the input end of first radio frequency component, and another input end of first radio frequency component connects the local oscillation signal source of radar; Two output terminals of first radio frequency component connect the antenna and second radio frequency component respectively; The intermediate-freuqncy signal output terminal of second medium-frequency generator is connected with the input end of second radio frequency component, and the second radio frequency component output terminal also connects antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120438300XU CN202330705U (en) | 2011-11-08 | 2011-11-08 | Device for carrying out ground detection on airborne radar by simulating movement target |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120438300XU CN202330705U (en) | 2011-11-08 | 2011-11-08 | Device for carrying out ground detection on airborne radar by simulating movement target |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202330705U true CN202330705U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120438300XU Expired - Fee Related CN202330705U (en) | 2011-11-08 | 2011-11-08 | Device for carrying out ground detection on airborne radar by simulating movement target |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202330705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501784A (en) * | 2016-11-03 | 2017-03-15 | 中国科学院电子学研究所 | A kind of missile borne SAR simulation testing device |
-
2011
- 2011-11-08 CN CN201120438300XU patent/CN202330705U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501784A (en) * | 2016-11-03 | 2017-03-15 | 中国科学院电子学研究所 | A kind of missile borne SAR simulation testing device |
| CN106501784B (en) * | 2016-11-03 | 2019-05-14 | 中国科学院电子学研究所 | A kind of missile borne SAR simulation testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120711 Termination date: 20141108 |
|
| EXPY | Termination of patent right or utility model |