ConceFT: concentration of frequency and time via a multitapered synchrosqueezed transform

被引：124
作者：
Daubechies, Ingrid [1 ]
Wang, Yi [2 ]
Wu, Hau-tieng [3 ]
机构：
[1] Duke Univ, Dept Math, Box 90320, Durham, NC 27708 USA
[2] Syracuse Univ, Dept Math, 215 Carnegie Bldg, Syracuse, NY 13244 USA
[3] Univ Toronto, Dept Math, 40 St George St, Toronto, ON M5S 2E4, Canada
来源：
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES | 2016年 / 374卷 / 2065期
关键词：
synchrosqueezing transform; reassignment method; multitaper; ConceFT; instantaneous frequency; EMPIRICAL MODE DECOMPOSITION; INSTANTANEOUS FREQUENCY; LOCALIZATION OPERATORS; SPECTRUM ESTIMATION; FAULT-DIAGNOSIS; REASSIGNMENT; SIGNALS; EXTRACTION; ALGORITHM; DYNAMICS;
D O I：
10.1098/rsta.2015.0193
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
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.
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页数：19
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