fault characteristic extraction的用法和樣例：
例句
- Combining the cepstrum method could identify the characteristic frequency availably.
結合倒頻譜方法可以有效地識別故障特征頻率。 - The proposed UWT effectively extracted the friction fault features of amplitude modulation and transient impact from vibration signal of a gearbox.
采用這種非抽樣小波變換從齒輪箱的振動(dòng)信號中有效提取幅值調制和瞬態(tài)沖擊的摩擦故障特征。
