小波分析方法应用于故障诊断的研究

Research on the Application of Wavelet Analysis Method in Fault Diagnosis

分析了Fourier变换和短时Fourier变换应用于故障诊断的不足;介绍了小波变换及其应用于故障诊断的优点;指出了小波变换用于故障诊断的理论和方法。

This paper analyzes the demerits of Fourier transformation and short-time fourier transformation applied in fault diagnosis,introduces wavelet tramsformation and the merits of wavelet transformation applied in fault diagnosis and points out the theory and method of wavelet transformation applying in fault diagnosis.