Instantaneous spectrum

被引：0

作者：

Meno, FM ^{[1
]}

机构：

[1] Univ Pittsburgh, Pittsburgh, PA 15213 USA

来源：

PHYSICS ESSAYS | 1998年 / 11卷 / 01期

关键词：

spectrum; instantaneous spectrum; time-frequency distribution; uncertainty relations; signal analysis; Fourier transform;

D O I：

10.4006/1.3028766

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A brief summary of the Fourier and other transforms is presented, and their applicability is discussed. The issue of the uncertainty relations in conjunction with these transforms is clarified; and finally, a method for obtaining the instantaneous spectrum, which corresponds to infinite resolution in time-frequency energy density distributions with zero uncertainty, is outlined.

引用

页码：60 / 68

页数：9

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