基于短波广播外辐射源的高快隐目标探测系统

High-fast-stealth target detection system based on shortwave broadcast external radiation sources

为提高雷达在复杂电子对抗环境中的性能和生存能力,设计基于短波调幅广播的外辐射探测系统.首先给出了系统组成和硬件功能;然后设计了系统处理框架,阐述了辐射源选择、长时间积累运动补偿、直达波抑制、双站定位虚假航迹剔除等关键技术;最后给出了测试、仿真和试验结果.试验结果表明,对比民航目标和隐身目标的RCS,本文设计的扩展后探测系统是有效的.

In order to improve the performance and survivability of radar in complex electronic countermeasures environment,this paper proposes a design of external radiation detection system based on shortwave amplitude modulation(AM)broadcast.First,the system composition and hardware function are given.Then,the system processing framework is designed,and the key technologies are expounded,including radiation source selection,long time integrated motion compensation,direct wave suppression,false track elimination by bistatic location and so on.Finally,the test,simulation and experiment results are presented.The test results show that the extended detection system designed in this paper is effective compared with the RCS of civil aviation target and stealth target.