时频表示及其结构

Proceedings of the IEEE Signal Processing Workshop on Higher-Order Statistics Pub Date : 1997-07-21 DOI:10.1109/HOST.1997.613493

B. Friedlander, L. Scharf

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引用次数: 4

摘要

本文探讨了离散时间条件下时频表示(TFR)的结构。我们将适当的TFR定义为具有自然时移和频移特性的信号的函数。然后，我们推导了适当TFR的基本结构，并论证了二次TFR是适当TFR的最简单形式。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Time-frequency representations and their structure

This paper explores the structure of time-frequency representations (TFR) in a discrete time setting. We define a proper TFR to be a function of the signal that has natural time- and frequency-shift properties. We then derive the basic structure of a proper TFR and argue for a quadratic TFR as the simplest form of a proper TFR.

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Proceedings of the IEEE Signal Processing Workshop on Higher-Order Statistics

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