散度差鉴别准则 scatter difference discriminant criterion
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为了扩大故障线路与正常线路的差别，对特征频带内各子频带的频带熵作积处理，得到了复小波包特征频带复合熵线路特征量化准则。
In order to enlarge the difference of fault line and normal line, the complex wavelet pocket band entropy of all sub-frequency bands in feature band is made product.
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