信号分析从傅氏变换到小波变换  

Signal Analysis from Fourier Transform to Wavelet Transform

作　　者：余小勇[1] 

机构地区：[1]西安石油学院机械工程系,陕西西安710065

出　　处：《西安邮电学院学报》2001年第1期64-66,共3页Journal of Xi'an Institute of Posts and Telecommunications

摘　　要：从信号分析的发展着重阐述了从傅氏变换到小波变换的信号分析方法 ,分析并比较了各自的优缺点 ,揭示了信号分析方法发展的内在规律性。In this paper, the signal analysis methods are expounded from Fourier transform to wavelet transform in the aspect of development of the signal analysis, their respective advantages and shortcomings are analyzed and compared, and the inner development regularity of the signal analysis methods is uncovered.

关 键 词：信号分析 傅氏变换 短时傅氏变换 小波变换 

分 类 号：TN911.72[电子电信—通信与信息系统]