2017
DOI: 10.1103/physreve.96.033307
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Extracting oscillating components from nonstationary time series: A wavelet-induced method

Abstract: This paper consists in the description and application of a method called wavelet-induced mode extraction (WIME) in the context of time-frequency analysis. WIME aims to extract the oscillating components that build amplitude modulated-frequency modulated signals. The essence of this technique relies on the successive extractions of the dominant ridges of wavelet-based time-frequency representations of the signal under consideration. Our tests on simulated examples indicate strong decomposition and reconstructi… Show more

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Cited by 2 publications
(1 citation statement)
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“…It is quite obvious that the spectrum envelope K (f ) is much smoother than the Fourier spectrum Y (f ) due to mix with less noise. In Ref [26], Adrien concludes that it is easier to decompose the signal which has a smooth spectrum. Therefore, in this paper, we use the spectrum envelope by the PCHIP instead of the Fourier spectrum to segment the boundaries.…”
Section: A the Spectrum Envelope Approach Based On Piecewise Cubic Hmentioning
confidence: 99%
“…It is quite obvious that the spectrum envelope K (f ) is much smoother than the Fourier spectrum Y (f ) due to mix with less noise. In Ref [26], Adrien concludes that it is easier to decompose the signal which has a smooth spectrum. Therefore, in this paper, we use the spectrum envelope by the PCHIP instead of the Fourier spectrum to segment the boundaries.…”
Section: A the Spectrum Envelope Approach Based On Piecewise Cubic Hmentioning
confidence: 99%