A COMPARATIVE STUDY OF SOME TIME-FREQUENCY DISTRIBUTIONS USING RENYI CRITERION (WedAmOR1)

Author(s) : Daoud Boutana (University of Jijel, Algeria) F. Marir (University of Constantine, Algeria) Messaoud Benidir (Laboratoire des Signaux et Systemes, CNRS / Supelec, France) B. Barkat (School of Electrical and Electronic Engineering, Singapore)

Abstract : The paper presents a quantitative comparison study of some time-frequency distributions i.e. (TFDs). The comparison is in terms of a criterion known as the Renyi measure. The assessment of the TFDs is accomplished by evaluating the Rényi measure which yields the best time-frequency resolution. We show, using synthetic as well as real-life data, that a recently proposed TFD outperforms existing TFDs. In particular, we show that this proposed TFD presents a high time-frequency resolution while suppressing the undesirable cross-terms.

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