基于正则化理论的时频分析方法及应用

张金强

A regularization theory-based method for time-frequency analysis and its applications

ZHANG Jin-Qiang

图4 20 ms汉宁窗作用于雷克子波得到的信号及其对应的频谱 a—20 ms汉宁窗函数及雷克子波叠合;b—汉宁窗作用于雷克子波得到信号;c—不同时频分析方法计算的图4b信号的频谱曲线

Fig.4 20 ms Hanning function applied on the ricker wavelet and the correpsonding spectrum a—20 ms Hanning function and Riker Wavelet;b—signal obtained by applying Hanning on ricker wavelet;c—frequency spectrum of the signal(fig. 4b) obtained by different time-frequency method