Abstract

针对雷达脉冲压缩过程中引入的距离旁瓣问题,提出一种基于反卷积算法并利用点目标回波进行旁瓣抑制的方法.从雷达回波中提取准点目标回波,进而提取目标信息,实现对距离旁瓣的抑制.利用点目标回波旁瓣抑制方法对海南VHF非相干散射相控阵雷达的电离层回波数据进行处理.结果表明:强目标的旁瓣干扰抑制优于5dB,这证明了该抑制方法的有效性;旁瓣抑制效果与回波的信噪比有关,降低背景噪声和系统噪声的影响可提高其距离旁瓣抑制效果.

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