Choiwilliams

代码说明：

  计算振动信号的Choi-Williams分布，通过对照轴承故障特性频率可知，轴承的外圈发现了故障，完成了对外圈的故障特征提取。(The Choi-Williams distribution of the vibration signal is calculated. Through the comparison of the bearing fault characteristic frequency, the outer ring of the bearing is found to be faulty.)

文件列表：

Choiwilliams.m,940,2015-07-13