Influence of high noise on the instantaneous frequency estimation using quadratic time-frequency distributions

被引：39

作者：

Djurovic, I ^{[1
]}

Stankovic, L ^{[1
]}

机构：

[1] Univ Montenegro, Elektrotech Fak, YU-81000 Podgorica, Montenegro, Yugoslavia

来源：

IEEE SIGNAL PROCESSING LETTERS | 2000年 / 7卷 / 11期

关键词：

estimation; Gaussian noise; instantaneous frequency; time frequency analysis; Wigner distribution;

D O I：

10.1109/97.873569

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：

Analysis of time frequency (TF) distributions, as the instantaneous frequency (IF) estimators for small noise, has been recently done. In this letter, we extend the analysis to high noise, This noise causes a specific error, which can dominate over ail other studied errors. The crucial parameter is the ratio of auto-term (AT) magnitude and distribution standard deviation.

引用

页码：317 / 319

页数：3

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