轴承滚动体故障诊断，故障设置为滚动体局部剥落，故障特征频率为外环通过频率或倍频理论计算得到218.98Hz.-Rolling bearing fault diagnosis, fault set rolling local spalling, the failure characteristic frequency for the outer ring through the frequency or frequency theoretical calculations 218.98Hz.

小波分析变换在轴承故障诊断中的应用，利用小波变换检测是否有轴承外环故障。-Wavelet analysis Transform in bearing fault diagnosis using wavelet transform to detect whether there is a bearing outer ring failure.

针对机械行业变转速零件如轴承，齿轮箱的故障诊断，采用阶次分析技术。程序针对变转速工况下的故障诊断。-Variable speed machinery industry parts such as bearings, gearboxes for fault diagnosis using order analysis techniques. Procedures for troubleshooting variable speed conditions.

轴承故障诊断，自己编写的基础EMD分解程序，实测很好用。(Bearing fault diagnosis, self-compiled basic EMD decomposition program, the actual measurement is very useful.)