On the time-frequency detection of chirps

被引：48

作者：

Chassande-Mottin, E ^{[1
]}

Flandrin, P ^{[1
]}

机构：

[1] Ecole Normale Super Lyon, Phys Lab, URA 1325 CNRS, F-69364 Lyon, France

来源：

APPLIED AND COMPUTATIONAL HARMONIC ANALYSIS | 1999年 / 6卷 / 02期

关键词：

D O I：

10.1006/acha.1998.0254

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The question of detecting a chirp in the lime-frequency plane is addressed. Strategies based on line integration are discussed with respect to optimality and adequacy of a representation to a given chirp. Linear and power-law chirps are considered in some detail and a possible application of affine distributions to the detection of gravitational waves is proposed, together with an effective implementation bu means of reassigned spectrograms, (C) 1999 Academic Press.

引用

页码：252 / 281

页数：30

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