ConceFT：通过多窗口同步挤压变换实现频率和时间的集中
ConceFT: concentration of frequency and time via a multitapered synchrosqueezed transform.
作者信息
Daubechies Ingrid, Wang Yi Grace, Wu Hau-tieng
机构信息
Department of Mathematics, Duke University, Box 90320, Durham, NC 27708-0320, USA.
Department of Mathematics, Syracuse University, 215 Carnegie Building, Syracuse, NY 13244-1150, USA.
出版信息
Philos Trans A Math Phys Eng Sci. 2016 Apr 13;374(2065):20150193. doi: 10.1098/rsta.2015.0193.
Abstract
A new method is proposed to determine the time-frequency content of time-dependent signals consisting of multiple oscillatory components, with time-varying amplitudes and instantaneous frequencies. Numerical experiments as well as a theoretical analysis are presented to assess its effectiveness.
摘要
提出了一种新方法来确定由多个振荡分量组成的、具有时变幅度和瞬时频率的时变信号的时频内容。给出了数值实验以及理论分析来评估其有效性。
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