机械振动信号分析的非线性的小波方法

Non-linear Wavelet Algorithm for Analyzing Mechanical Vibration Signal

对机械系统的频率响应函数的提取问题 ,使用了基于非线性小波滤波的去噪声方法 ,说明了方法应用的有效性。针对同时含有脉冲噪声和高频随机白噪声的信号去噪问题又给出了一个改进的方法 。

An Application to mechanical vibration signal analysis is presented using the de-noise algorithms based on non-linear wavelet filter. An improvement on introduced algorithm is proposed which can simultaneity suppress impulse and white noise. A simulation analysis show that validity of the proposed algorithm for suppressing noise in a mechanical vibration signal.