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文章主要研究短波跳频梳状干扰抑制问题,首先对短波跳频通信和梳状干扰各自技术特点进行介绍,阐明为什么梳状干扰能够实现对短波跳频通信的有效干扰,接下来引入一种双接收机梳状干扰抑制方法,并针对该方法进行理论与仿真分析。理论与仿真分析结果表明,在对干扰信号估计较为精确的条件下,该方法可以对梳状干扰起到抑制作用。
This paper mainly studies the problem of shortwave frequency hopping comb interference suppression. Firstly, the technical characteristics of shortwave frequency hopping communication and comb interference are introduced to illustrate why comb interference can effectively interfere with shortwave frequency hopping communication. Then, Receiver comb interference suppression method, and theoretical and simulation analysis of the method. The theoretical and simulation results show that this method can restrain the comb interference under more accurate estimation of the interference signal.