摘要
本文分析了Fourier变换和窗口Fourier变换的不足，给出了小波变换的时—频特性，阐述了小波变换用于故障诊断的可能性，指出了小波变换用于故障诊断的理论和方法．
In this paper the weakness in Fourier transform and in windows-Fourier transform is analyzed. The time-frequency property is given in the detail.The theory and method of wavelet transform in the fault diagnosis have been advanced.
出处
《河北建筑科技学院学报》
1999年第4期79-83,共5页
Journal of Hebei Institute of Architectural Science & Technology
基金
煤炭科学基金!电11009
