fault characteristic extraction

• 故障特征

fault characteristic extraction的用法和样例：

例句

1. Combining the cepstrum method could identify the characteristic frequency availably.
   结合倒频谱方法可以有效地识别故障特征频率。
2. The proposed UWT effectively extracted the friction fault features of amplitude modulation and transient impact from vibration signal of a gearbox.
   采用这种非抽样小波变换从齿轮箱的振动信号中有效提取幅值调制和瞬态冲击的摩擦故障特征。