On Demodulation, Ridge Detection and Synchrosqueezing for Multicomponent Signals

Abstract : 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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IEEE Transactions on Signal Processing, Institute of Electrical and Electronics Engineers, 2017, 65 (8), pp.2093-2103. 〈10.1109/TSP.2017.2656838〉
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Soumis le : mardi 12 septembre 2017 - 17:25:57
Dernière modification le : mercredi 4 octobre 2017 - 14:56:17

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Sylvain Meignen, Duong-Hung Pham, Steve Mclaughlin. On Demodulation, Ridge Detection and Synchrosqueezing for Multicomponent Signals . IEEE Transactions on Signal Processing, Institute of Electrical and Electronics Engineers, 2017, 65 (8), pp.2093-2103. 〈10.1109/TSP.2017.2656838〉. 〈hal-01586414〉

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