谱修正旁瓣抑制技术的研究与应用

小时宽带宽积脉冲压缩信号经加权后，主副比仍不能满足实际雷达工作需求。采用谱修正技术对线性调频信号和非线性调频信号进行旁瓣抑制，并与直接匹配滤波和频域加权的方法进行对比。仿真结果显示，该方法能够使脉冲压缩的主旁瓣比提高，且主瓣展宽和信噪比损失较小。实测数据表明该方法可有效应用于工程实践。

Research into and Application of Range Sidelobe Reduction Based on the Spectrum Modification Technique

In view of the fact that the compression result of small product of timewidth and bandwidth signal cannot meet the practical working requirement after adding window filter,the spectra modified technique is adopted to range sidelobe reduction of LFM and NLFM signals.Compared with the method of adding window in spectrum field,Spectrum Modification technique can improve the ratio of mainlobe to sidelobe,and reduce the loss of SNR and the extend of mainlobe width.Testing result show its effectiveness in practic...