This approach does fault diagnosis by two steps: fault feature extraction and fault classification.

该方法将故障诊断分成故障特征提取和故障分类两个部分.

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The fault feature of reciprocating machinery is extracted by CWT in this thesis.

本文运用连续小波变换来提取往复机械故障信号的特征信息.

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Fault feature extraction is the core procedure in extracting diagnostic information of reciprocating machinery.

特征提取是往复机械诊断信息提取的核心.

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Vibration Testing and analysis are the chief means for fault feature abstraction and fault diagnosis.

振动信号的测试分析是识别旋转机械的故障性质、寻找故障源的主要方法和手段.

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