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从引信是信息系统的观点出发，简单论述了引信与外部进行信息交流的外部信道及其特征；深入分析了引信高频信号处理的信息特征；指出高频信号处理主要是恢复回波信号和抑制噪声，不能提取所需信号信息，但可以减小噪声引起的信号的不确定性；引信的信息处理主要是在低频信号处理系统中完成
From the viewpoint of fuze is information system, this paper briefly discusses the external channel and its characteristics of information exchange between fuze and the outside. The characteristics of the information of fuze high-frequency signal processing are analyzed in detail. It is pointed out that high-frequency signal processing mainly restores the echo signal and suppresses Noise, can not extract the required signal information, but can reduce the noise caused by the signal uncertainty; fuze information processing is mainly done in the low-frequency signal processing system