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Article Dans Une Revue Signal Processing Année : 2017

Reassigned Time-Frequency Representations of Discrete Time Signals and Application to the Constant Q Transform

Résumé

In this paper we provide a formal justification of the use of time-frequency reassignment techniques on time-frequency transforms of discrete time signals. State of the art techniques indeed rely on formulae established in the continuous case which are applied, in a somehow inaccurate manner, to discrete time signals. Here, we formally derive a general framework for discrete time reassignment. To illustrate its applicability and generality, this framework is applied to a specific transform: the Constant Q Transform.
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Dates et versions

hal-01370542 , version 1 (08-12-2016)

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Sébastien Fenet, Roland Badeau, Gael Richard. Reassigned Time-Frequency Representations of Discrete Time Signals and Application to the Constant Q Transform. Signal Processing, 2017, 132, pp.170-176. ⟨10.1016/j.sigpro.2016.10.008⟩. ⟨hal-01370542⟩
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