Evolutionary maximum entropy spectral analysis of chirps in noise

被引：3

作者：

Kayhan, AS ^{[1
]}

机构：

[1] Hacettepe Univ, Dept Elect & Electron Engn, TR-06532 Ankara, Turkey

来源：

SIGNAL PROCESSING | 1999年 / 78卷 / 02期

关键词：

chirp signals; evolutionary spectrum; maximum entropy spectrum;

D O I：

10.1016/S0165-1684(99)00056-0

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 manuscript, we analyze chirps in noise using the evolutionary maximum entropy spectral estimator (EMES). First, brief descriptions of evolutionary spectrum and its estimators, the evolutionary periodogram (EP), the smoothed evolutionary periodogram (SEP) and the EMES are given. Then, chirps in noise are analyzed with the EMES. It is shown that the EMES parameters are weighted functions of frequency components around the time of analysis. Later, the relation between bandwidth, SNR and number of basis functions is given for the case of a single pure sinusoid. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：151 / 157

页数：7

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