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

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

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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Veröffentlicht in:Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences physical, and engineering sciences, 2016-04, Vol.374 (2065), p.1-19
Hauptverfasser: Daubechies, Ingrid, Wang, Yi (Grace), Wu, Hau-tieng
Format: Artikel
Sprache:eng
Schlagworte:
Fourier transformations
Materials
Noise reduction
Noise spectra
Signal noise
Signal processing
Spectroscopy
Standard deviation
Stochastic processes
White noise
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Zusammenfassung: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.
ISSN:1364-503X