Using power cepstrum the weaker periodic signal can be recognized, and the side frequency of modulation signal can be recognized effectively.

倒频谱可以识别信号中较弱的周期成分，并对识别调制信号的边频县有特殊的效果。

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Using power cepstrum the weaker periodic signal can be recognized, and the side frequency of modulation signal can be recognized effectively.

倒频谱可以识别信号中较弱的周期成分，并对识别调制信号的边频县有特殊的效果。

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