线性调频信号和噪声调频信号性能对比分析  

Analysis of The Performance Comparison between LFM Signal and Noise FM Signal

作　　者：彭德强[1] PENG De-qiang(The 723 Institute of CSIC,Yangzhou 225101,China)

机构地区：[1]中国船舶重工集团公司第七二三研究所,江苏扬州225101

出　　处：《舰船电子对抗》2021年第1期22-26,共5页Shipboard Electronic Countermeasure

摘　　要：介绍了线性调频信号、噪声调频信号和匹配滤波的原理,对线性调频信号和噪声调频信号进行了时频域计算机仿真,并对两种信号加窗前后脉冲压缩的主副比、主瓣展宽等进行了对比分析,总结了两种调频信号的适用性。This paper introduces the principle of linear frequency modulation(LFM)signal,noise frequency modulation(FM)signal and matched filter,performs computer simulation of LFM signal and noise FM signal in time and frequency domain,makes comparison analysis to the main/side-lobe ratio and main-lobe widening of pulse compression before and after windowing processing for two signals,and summarizes the applicability of two FM signals at last.

关 键 词：线性调频信号 噪声调频信号 匹配滤波 加窗脉冲压缩 

分 类 号：TN957.51[电子电信—信号与信息处理]