基于非合作雷达辐射源的无源雷达技术综述

对基于非合作雷达辐射源的无源雷达技术进行了综述,介绍了该领域内的研究历史与现状。然后对非合作式双基地雷达系统基本原理进行了分析与研究,主要内容包括基本几何关系、信号能量关系、接收站的组成以及参数测量与目标定位方法。最后,对辐射源的信号分析与优化选择、系统同步、直达波参考信号的恢复、微弱目标信号的检测与参数估计以及跟踪、融合与目标识别等系统关键技术进行了分析与评述。

Overview of passive radar technology based on non-cooperative radar illuminator

The technology of the passive radar based on non-cooperative radar illuminator is summarized,and the research history and current situation of this field are introduced,then the primary principle of a non-cooperative bistatic radar system is analyzed.The main content contains the basic geometrical relationship,signal energy relationship,receiver structure,parameter measurement and target location method.Finally,several key techniques of the system,such as the signal analysis and optimal selection of radar illuminator,system synchronization,direct-path reference signal reconstruction,weak target signal detection and parameter estimation,and target tracking,data fusion and target recognition,are also analyzed.