常规单脉冲雷达体制下的多目标近距离分辨

Multi-Targets Resolving with Common Mono-Pulse Radar

常规单脉冲雷达的发射脉冲一般具有快速上升沿，其回波含有丰富的高频分量，但传统的雷达信号处理系统并没有利用这些高频信息，致使雷达分辨率得不到提高。介绍的这种改进的逆滤波方法根据回波信噪比，结合逆滤波方法的高分辨特性和匹配滤波器的强抑制噪声能力，利用回波中的高频分量，使常规单脉冲雷达的分辨率有明显改善。仿真实验表明，采用这种方法使雷达分辨率得到提高。

Mostofthecom m on m ono pulseradarsem ploy fast rise tim epulse, and the radarreturnscontain rich high frequency com ponents. Butthe present radar signalprocessing system doesn′tuse itand converts itto higher range resolution. In this paper, we introduce a new m odified inverse filtering m ethod, which, according to the SNR ofthe radar returns, perfectly com bines the m atching filter′s characteristic ofpow erfulnoise repressing ability and the inverse filtering′s advantage ofhigh range resolution. From the results ofthe sim ulation, we can see the resolu tion ofthe com m on m ono pulse radarw illbe greatly im proved afterprocessed w ith the above m ethod.