CN202815214U - Rapid target generation device of semi-physical simulation system - Google Patents
Rapid target generation device of semi-physical simulation system Download PDFInfo
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- CN202815214U CN202815214U CN201220490225.6U CN201220490225U CN202815214U CN 202815214 U CN202815214 U CN 202815214U CN 201220490225 U CN201220490225 U CN 201220490225U CN 202815214 U CN202815214 U CN 202815214U
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Abstract
The technical scheme of the utility model relates to the radar simulation technology field, and especially relates to a rapid target generation device which is used for a radio frequency injection type semi-physical simulation system in electronic countermeasure. The fiber delay network technology is adopted to carry out the target rapid generation of the injection type semi-physical simulation system. The rapid target generation device includes a radio frequency amplifier 10, an electro/optical converter 2, an optical divider 3, a control circuit 4, fiber delay links 7, optical switches 5, an optical combiner 6, and an optical/electro converter 8. The intensity of the echo of a bait and the energy differences among strong scattering points in the echo are simulated through adjusting the gain of the radio frequency amplifier 10, the number of the strong scattering points in the echo of a radar is simulated through the number of the fiber delay links 7, and the distance changes among the strong scattering points are simulated through the delay time adjustment, and the target radar characteristic simulation is realized. A new simulation target can be introduced and removed rapidly in real time without newly designing or changing the war condition, and the tracking observation and research of a target echo signal is promoted.
Description
Technical field
Technical solutions of the utility model belong to the radar simulation technical field, are specifically related to be used in a kind of electronic countermeasure the quick device that generates of target of pouring-in half semi-matter simulating system of radio frequency.
Background technology
The conventional test flow process of half semi-matter simulating system comprises a plurality of links such as combat setting, combat compiling, combat loading, introduce a new simulation objectives such as need and need reset and load combat, and in the process of the carrying out of an emulation, can't introduce temporarily or remove fresh target.
Up to a hundred the emulation of carrying out in half system in kind at the many types of jammer take certain model as background resists in the test, examination and the evaluation test of carrying out according to the requirement of model management after having plenty of equipment development and finishing, but more be, in the jammer development process, be the correctness of checking interference method, a large amount of explorations and the test of knowing the real situation property that the Analysis interference strategy validity carries out.
Be different from evaluation test, for the test of knowing the real situation of a large amount of exploration in jammer research and development and the debug process, often do not pay close attention to strict test combat, but need flexibly and research technique easily, wish to introduce fast and to remove at any time fresh target, in some specific test even need among the process that test is carried out, introduce temporarily or remove " the beacon target " that the companion flies.These new demands special but that extremely need are difficult to consider comprehensively and look after at the beginning of the design of half semi-matter simulating system, therefore need a kind of fast target generation method badly.
Summary of the invention
The technical problems to be solved in the utility model provides the quick device that generates of the target that is used for pouring-in half semi-matter simulating system of radio frequency in a kind of electronic countermeasure, thereby can introduce fast and remove at any time fresh target, among the process that test is carried out, introduce temporarily or remove " beacon target " that the companion flies.
In order to realize this purpose, the technical scheme that the utility model is taked is:
A kind of fast target generating apparatus of semi-matter simulating system, be used for the simulation of target radar feature, the target that adopts the optical fiber delay network technology to carry out pouring-in half semi-matter simulating system generates fast, comprises the radio frequency amplifier, electric to optic converter, optical branching device, control circuit, optical fiber delay link, photoswitch, optical combiner and the light/electric transducer that connect successively;
Radio frequency amplifier carries out gain-adjusted to the rf excitation signal that injects, rf signal after the gain-adjusted is converted to light signal through electric to optic converter, light signal injects optical branching device by optical fiber, be divided into multichannel, each road enters an optical fiber delay link, every the optical fiber delay link arranges a plurality of photoswitches, be in Δ T1 time delay of the single photoswitch of number n* of the photoswitch of opening state on the delay=link of every optical fiber delay link self, the number that photoswitch is opened on every optical fiber delay link of control circuit control is with the delay of control lag link, and then controls two delay inequalities between the delay chain; After light signal along separate routes passes through respectively each bar optical fiber delay link, arrive optical combiner and be combined into one the tunnel, then be transmitted through the fiber to electrical to optical converter, be reduced into the analogue echo electric signal.
Further, the fast target generating apparatus of aforesaid a kind of semi-matter simulating system, wherein: optical fiber delay link guinea pig echo moderately and strongly inverse scattering point, the number of optical fiber delay link is the strong scattering point number that forms after radar compresses echo.
Further, the fast target generating apparatus of aforesaid a kind of semi-matter simulating system, wherein: the delay-time difference Δ T=L/C between each delay chain of optical fiber delay link, wherein, L by the radar of the corresponding simulation of each delay chain to the reception echo carry out the distance between formed strong scattering point after the pulse compression, C is the light velocity.
Further, the fast target generating apparatus of aforesaid a kind of semi-matter simulating system, wherein: Δ T1 time delay of the single photoswitch of number n* that is in the photoswitch of opening state on the delay=link of every optical fiber delay link self.
Further, the fast target generating apparatus of aforesaid a kind of semi-matter simulating system, wherein: after radiofrequency signal was modulated through delay network, the gain of adjusting radio frequency amplifier changed the intensity of the received signal of radar simulator, regulates the power of institute's simulated target.
The fast target generating apparatus of a kind of semi-matter simulating system of the utility model, in intensive half Hardware-in-loop Simulation Experimentation of the many types of jammer take certain model as background, obtained a large amount of employings, in certain the model X-band section of turning test, complete electric decoy deception flight path data on half semi-matter simulating system, have been obtained first by technical solution of the present invention, and complete observation and recorded " intersection " process of electric false flight path and beacon flight path, to research with assess certain model jammer electronic decoy flight path deception usefulness and played vital role.In the development process of certain model Composite Jammer, locate fast and found " batch (-type) " that former scheme adopts by technical solution of the present invention and transmit the failure mechanism of cheating interference mode, and improved overall pulse is transmitted feasibility and the validity of cheating interference mode after in time having verified.In addition, the fast target generating apparatus has also obtained repeatedly adopting in a large amount of half Hardware-in-loop Simulation Experimentations in certain model C Band Interference machine and certain model S-band interference development process, for improve test efficiency, discovery and diagnosis problem, research and development proposal are improved and have been done the work of much having a mind to fast, have produced good effect.
Description of drawings
Fig. 1 is the modulation circuit of the fast target generating apparatus of a kind of semi-matter simulating system of the utility model.
Among the figure: 1-rf excitation signal, 2-electric to optic converter, 3-optical branching device, 4-control circuit, 5-photoswitch, 6-optical combiner, 7-optical fiber delay link, 8-light/electric transducer, 9-analog echo signal, 10-radio frequency amplifier.
Embodiment
Be elaborated below in conjunction with the fast target generating apparatus of accompanying drawing to a kind of semi-matter simulating system of the utility model.
The fast target generating apparatus of a kind of semi-matter simulating system of the utility model, as shown in Figure 1, target is carried out the ultimate principle of detection and tracking according to half semi-matter simulating system, by the external modulation circuit interference pumping signal is carried out amplitude and time-delay modulation, make it have certain target echo characteristic, and be injected into the interference receiving cable, allow Radar signal receiver find and follow the tracks of upper this virtual echoed signal, thereby produce the simulation objectives that makes new advances.Technical solution of the present invention redesigns or changes in the situation of combat need not, can immediately introduce fast and remove new simulated target, can be in the process that emulation is carried out, instant introduce " the beacon target " that the companion flies formula for deception formula electronic decoy, for tracking observation and research electronic decoy ultrasonic echo feature provide a practicality, technological approaches easily.
A kind of fast target generating apparatus of semi-matter simulating system, be used for the simulation of target radar feature, the target that adopts the optical fiber delay network technology to carry out pouring-in half semi-matter simulating system generates fast, comprises the radio frequency amplifier 10, electric to optic converter 2, optical branching device 3, control circuit 4, optical fiber delay link 7, photoswitch 5, optical combiner 6 and the light/electric transducer 8 that connect successively; The rf excitation signal 1 of 10 pairs of injections of radio frequency amplifier carries out gain-adjusted, rf signal after the gain-adjusted is converted to light signal through electric to optic converter 2, light signal injects optical branching device 3 by optical fiber, be divided into multichannel, each road enters an optical fiber delay link 7, every optical fiber delay link 7 arranges a plurality of photoswitches 5, be in Δ T1 time delay of the single photoswitch of number n* of the photoswitch 5 of opening state on the delay=link of every optical fiber delay link 7 self, the number that photoswitch 5 is opened on every optical fiber delay link 7 of control circuit 4 control is with the delay of control lag link, and then controls two delay inequalities between the delay chain; After light signal along separate routes passes through respectively each bar optical fiber delay link 7, arrive optical combiner 6 and be combined into one the tunnel, then be transmitted through the fiber to electrical to optical converter 8, be reduced into analogue echo electric signal 9.Wherein, optical fiber delay link 7 guinea pig echo moderately and strongly inverse scattering points, the number of optical fiber delay link 7 is the strong scattering point number that forms after radar compresses echo.Delay-time difference Δ T=L/C between optical fiber delay link 7 each delay chain, wherein, L by the radar of the corresponding simulation of each delay chain to the reception echo carry out the distance between formed strong scattering point after the pulse compression, C is the light velocity.Be in Δ T1 time delay of the single photoswitch 5 of number n* of the photoswitch 5 of opening state on the delay=link of every optical fiber delay link 7 self.After radiofrequency signal was modulated through delay network, the gain of adjusting radio frequency amplifier 10 changed the intensity of the received signal of radar simulator, regulates the power of institute's simulated target.
Claims (5)
1. the fast target generating apparatus of a semi-matter simulating system, be used for the simulation of target radar feature, it is characterized in that: the target that adopts the optical fiber delay network technology to carry out pouring-in half semi-matter simulating system generates fast, comprises the radio frequency amplifier (10), electric to optic converter (2), optical branching device (3), control circuit (4), optical fiber delay link (7), photoswitch (5), optical combiner (6) and the light/electric transducer (8) that connect successively;
Radio frequency amplifier (10) carries out gain-adjusted to the rf excitation signal (1) that injects, rf signal after the gain-adjusted is converted to light signal through electric to optic converter (2), light signal injects optical branching device (3) by optical fiber, be divided into multichannel, each road enters an optical fiber delay link (7), every optical fiber delay link (7) arranges a plurality of photoswitches (5), be in Δ T1 time delay of the single photoswitch of number n* of the photoswitch (5) of opening state on the delay=link of every optical fiber delay link (7) self, the number that the upper photoswitch (5) of every optical fiber delay link of control circuit (4) control (7) is opened is with the delay of control lag link, and then controls two delay inequalities between the delay chain; After light signal along separate routes passes through respectively each bar optical fiber delay link (7), arrive optical combiner (6) and be combined into one the tunnel, then be transmitted through the fiber to electrical to optical converter (8), be reduced into analogue echo electric signal (9).
2. the fast target generating apparatus of a kind of semi-matter simulating system as claimed in claim 1, it is characterized in that: optical fiber delay link (7) guinea pig echo moderately and strongly inverse scattering point, the number of optical fiber delay link (7) is the strong scattering point number that forms after radar compresses echo.
3. the fast target generating apparatus of a kind of semi-matter simulating system as claimed in claim 1, it is characterized in that: the delay-time difference Δ T=L/C between each delay chain of optical fiber delay link (7), wherein, L by the radar of the corresponding simulation of each delay chain to the reception echo carry out the distance between formed strong scattering point after the pulse compression, C is the light velocity.
4. the fast target generating apparatus of a kind of semi-matter simulating system as claimed in claim 1 is characterized in that: Δ T1 time delay of the single photoswitch of number n* (5) that is in the photoswitch (5) of opening state on the delay=link of every optical fiber delay link (7) self.
5. the fast target generating apparatus of a kind of semi-matter simulating system as claimed in claim 1, it is characterized in that: after radiofrequency signal is modulated through delay network, the gain of adjusting radio frequency amplifier (10) changes the intensity of the received signal of radar simulator, regulates the power of institute's simulated target.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220490225.6U CN202815214U (en) | 2012-09-24 | 2012-09-24 | Rapid target generation device of semi-physical simulation system |
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| CN201220490225.6U CN202815214U (en) | 2012-09-24 | 2012-09-24 | Rapid target generation device of semi-physical simulation system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438901A (en) * | 2013-08-06 | 2013-12-11 | 江西洪都航空工业集团有限责任公司 | Radio echo signal simulation system adopting optical fiber to reduce error |
| CN104820215A (en) * | 2015-05-25 | 2015-08-05 | 扬州宇安电子科技有限公司 | High-precision radar target simulator based on fiber delay line |
| CN104931070A (en) * | 2015-06-17 | 2015-09-23 | 胡林亭 | Optical signal injection type simulation method |
| CN106330305A (en) * | 2016-08-31 | 2017-01-11 | 贵州航天电子科技有限公司 | Relative target distance simulation method of millimeter wave radio product |
| CN106407585A (en) * | 2016-09-28 | 2017-02-15 | 广东欧珀移动通信有限公司 | Tuning or optimizing method and device for radio frequency simulation |
| CN106646405A (en) * | 2016-12-02 | 2017-05-10 | 上海无线电设备研究所 | Terahertz radar system parameter calibration system |
| CN109298296A (en) * | 2018-11-12 | 2019-02-01 | 西安电子科技大学 | A kind of strong electromagnetic pulse injects the injury scale Equivalent Modeling and emulation mode of lower radio frequency link |
| CN109975775A (en) * | 2019-04-03 | 2019-07-05 | 西安邮电大学 | A kind of half measured data emulation mode of radar return |
| CN111142406A (en) * | 2019-12-23 | 2020-05-12 | 北京机电工程研究所 | Method for quickly measuring link time delay in semi-physical simulation test |
| CN111257842A (en) * | 2020-01-21 | 2020-06-09 | 南京新频点电子科技有限公司 | Radar bait simulation system |
-
2012
- 2012-09-24 CN CN201220490225.6U patent/CN202815214U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438901A (en) * | 2013-08-06 | 2013-12-11 | 江西洪都航空工业集团有限责任公司 | Radio echo signal simulation system adopting optical fiber to reduce error |
| CN104820215A (en) * | 2015-05-25 | 2015-08-05 | 扬州宇安电子科技有限公司 | High-precision radar target simulator based on fiber delay line |
| CN104931070B (en) * | 2015-06-17 | 2017-08-18 | 胡林亭 | A kind of optical signal injected simulation method |
| CN104931070A (en) * | 2015-06-17 | 2015-09-23 | 胡林亭 | Optical signal injection type simulation method |
| CN106330305A (en) * | 2016-08-31 | 2017-01-11 | 贵州航天电子科技有限公司 | Relative target distance simulation method of millimeter wave radio product |
| CN106407585A (en) * | 2016-09-28 | 2017-02-15 | 广东欧珀移动通信有限公司 | Tuning or optimizing method and device for radio frequency simulation |
| CN106407585B (en) * | 2016-09-28 | 2019-07-02 | Oppo广东移动通信有限公司 | The method and apparatus for tuning or optimizing in radio frequency simulation |
| CN106646405A (en) * | 2016-12-02 | 2017-05-10 | 上海无线电设备研究所 | Terahertz radar system parameter calibration system |
| CN109298296A (en) * | 2018-11-12 | 2019-02-01 | 西安电子科技大学 | A kind of strong electromagnetic pulse injects the injury scale Equivalent Modeling and emulation mode of lower radio frequency link |
| CN109298296B (en) * | 2018-11-12 | 2020-01-24 | 西安电子科技大学 | Damage grading equivalent modeling and simulation method for radio frequency link under strong electromagnetic pulse injection |
| CN109975775A (en) * | 2019-04-03 | 2019-07-05 | 西安邮电大学 | A kind of half measured data emulation mode of radar return |
| CN109975775B (en) * | 2019-04-03 | 2022-12-23 | 西安邮电大学 | Radar echo semi-actual measurement data simulation method |
| CN111142406A (en) * | 2019-12-23 | 2020-05-12 | 北京机电工程研究所 | Method for quickly measuring link time delay in semi-physical simulation test |
| CN111142406B (en) * | 2019-12-23 | 2023-04-07 | 北京机电工程研究所 | Method for quickly measuring link time delay in semi-physical simulation test |
| CN111257842A (en) * | 2020-01-21 | 2020-06-09 | 南京新频点电子科技有限公司 | Radar bait simulation system |
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Granted publication date: 20130320 |