Therefore, fault detection and fault diagnosis for the system have a major practical significance.

因此，对该系统进行故障检测、故障分析有重大现实意义。

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Thus the invention provides a data classification method and apparatus easily packaged without reducing the judgment accuracy in an application to fault detection and fault diagnosis.

从而提供一种在应用于检查异常及诊断异常时 不会降低判断的精确度、且易于组装的数据分类装置。

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During the gear fault detection and diagnosis, the fault feature extraction is the key of diagnosis, but it is multifarious for the method of fault feature extraction.

在齿轮故障监测与诊断中，故障特征提取是诊断的关键，而特征提取的方法也是多种多样的。

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