On Demodulation, Ridge Detection, and Synchrosqueezing for Multicomponent Signals | Zendy

Sylvain Meignen | Zendy; Duong-Hung Pham | Zendy; Stephen McLaughlin | Zendy

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On Demodulation, Ridge Detection, and Synchrosqueezing for Multicomponent Signals

Author(s) -

Sylvain Meignen,

Duong-Hung Pham,

Stephen McLaughlin

Publication year - 2017

Publication title -

ieee transactions on signal processing

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.638

H-Index - 270

eISSN - 1941-0476

pISSN - 1053-587X

DOI - 10.1109/tsp.2017.2656838

Subject(s) - signal processing and analysis , communication, networking and broadcast technologies , computing and processing

In this paper, we present a novel technique for the retrieval of the modes of a multicomponent signal using a time-frequency (TF) representation of the signal. Our approach is based on a novel ridge extraction method that takes into account the fact that the TF representation is both discrete in time and frequency, followed by a demodulation procedure. Numerical results show the benefits of the proposed approach for mode reconstruction in comparison to similar techniques that do not make use of demodulation. Furthermore, numerical investigations show that the proposed approach sharpens the TF representation on which it is built.

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