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Communication Dans Un Congrès Année : 2013

Analysis of Strongly Modulated Multicomponent Signals with the Short-Time Fourier Transform

Résumé

This paper addresses the issue of the retrieval of the components of a multicomponent signal from its short-time Fourier transform. It recalls two popular reconstruction methods, and extends each of them for the case of strong frequency modulation, by taking into account the second derivative of the phase. Numerical experiments illustrate the improvement and compare the methods.
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Dates et versions

hal-00872536 , version 1 (13-10-2013)

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Thomas Oberlin, Sylvain Meignen, Steve Mclaughlin. Analysis of Strongly Modulated Multicomponent Signals with the Short-Time Fourier Transform. ICASSP 2013 - 38th International Conference on Acoustics, Speech, and Signal Processing, May 2013, Vancouver, Canada. pp.5358-5362, ⟨10.1109/ICASSP.2013.6638686⟩. ⟨hal-00872536⟩
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