IMPROVING THE READABILITY OF TIME-FREQUENCY AND TIME-SCALE REPRESENTATIONS BY THE REASSIGNMENT METHOD

被引：1053

作者：

AUGER, F ^{[1
]}

FLANDRIN, P ^{[1
]}

机构：

[1] ECOLE NORMALE SUPER LYON, PHYS RECH LAB, CNRS, UNITE 1325, F-69364 LYON 07, FRANCE

来源：

IEEE TRANSACTIONS ON SIGNAL PROCESSING | 1995年 / 43卷 / 05期

关键词：

D O I：

10.1109/78.382394

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, the use of the reassignment method, first applied 15 years ago by Kodera, Gendrin, and de Villedary to the spectrogram, is generalized to any bilinear time-frequency or time-scale distribution, This method creates a modified version of a representation by moving its values away from where they are computed, so as to produce a better localization of the signal components, We first propose a new formulation of this method, followed by a thorough theoretical study of its characteristics. Its practical use for a large variety of known time-frequency and time-scale distributions is then addressed, Finally, some experimental results are reported to demonstrate the performance of this method.

引用

页码：1068 / 1089

页数：22

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