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本文从理论上分析了信号和噪声的统计特性,根据两者的差别提出了尽可能地抑制噪声、提取信号的方案,进而介绍一种实用电路。
In this paper, the statistical characteristics of signal and noise are theoretically analyzed. Based on the difference between the two, a scheme of suppressing noise and extracting signal as much as possible is proposed, and then a practical circuit is introduced.