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shipingshangshiyang1

于 2011-11-13 发布文件大小:1KB

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求信号的时频熵，对非平稳信号进行emd分解后，求时频熵，得出其故障特征(For the signal s time-frequency entropy, the nonstationary signals are EMD decomposition, and time-frequency entropy, the fault feature)

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shipingshangshiyang1.m,3092,2005-07-21

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