LPI雷达信号调制识别及参数估计研究进展  

Research progress on LPI radar signal modulation recognition and parameter estimation

作　　者：王海英 张群英 成文海 董家铭 刘小军 WANG Haiying;ZHANG Qunying;CHENG Wenhai;DONG Jiaming;LIU Xiaojun(Aerospace Information Research Institute,Chinese Academy of Sciences,Beijing 100090,China;Key Laboratory of Electromagnetic Radiation and Sensing Technology,Beijing 100090,China;School of Electronic Electrical and Communication Engineering,University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]中国科学院空天信息创新研究院,北京100090 [2]电磁辐射与探测技术院重点实验室,北京100090 [3]中国科学院大学电子电气与通信工程学院,北京100049

出　　处：《系统工程与电子技术》2024年第6期1908-1924,共17页Systems Engineering and Electronics

摘　　要：低截获概率(low probability of intercept,LPI)雷达已成为新时代雷达装备中关键的技术体制或工作模式,针对LPI雷达信号调制识别及参数估计方法的研究是当前雷达对抗侦察领域的热点。首先,分析了几种典型LPI雷达信号的脉内特征,梳理了LPI雷达信号调制识别及参数估计的传统和主流方法,并说明其原理、优缺点和研究现状。最后,总结了现有LPI雷达信号调制识别及参数估计方法尚存的问题,并指出其未来发展趋势,旨在为今后的研究提供参考。Low probability of intercept(LPI)radar has become a key technology system or working mode of radar equipment in the new era.The study of LPI radar signal modulation recognition and parameter estimation methods has become a hot spot in the field of radar counter reconnaissance.This paper firstly analyzes the intra-pulse characteristics of several typical LPI radar signals,sorts out the traditional and mainstream methods of LPI radar signal modulation recognition and parameter estimation,and explains their principles,advantages,disadvantages and research status.Finally,the remaining problems of existing LPI radar signal modulation recognition and parameter estimation methods are summarized,and their future development trends are also pointed out,aiming to provide some reference for future scholars’research.

关 键 词：雷达对抗侦察 低截获概率雷达信号 脉内特征 调制识别 参数估计 

分 类 号：TN971[电子电信—信号与信息处理]