ESTIMATION OF THE TIME-VARYING FREQUENCY OF A SIGNAL - THE CRAMER-RAO BOUND AND THE APPLICATION OF WIGNER DISTRIBUTION

被引：26
|
作者：
WONG, KM
JIN, Q
机构：
[1] Department of Electrical and Computer Engineering and Communications Research Laboratory, McMaster University, Hamilton, Ont.
来源：
IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING | 1990年 / 38卷 / 03期
关键词：
D O I：
10.1109/29.106870
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The problem of estimating the time-varying frequency of a signal is addressed. The Cramer-Rao bound of such an estimate is developed. The Wigner distribution is applied to this problem. A theoretical analysis which derives the bias and variance of the use of the Wigner distribution is performed. Computer simulations are carried out so that the performance of the method can be verified. © 1990 IEEE
引用
收藏
页码：519 / 536
页数：18
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