Instantaneous frequency estimation of quadratic FM signals corrupted by multiplicative and additive noise

被引：0
|
作者：
Barkat, B [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
MATHEMATICS IN SIGNAL PROCESSING V | 2002年 / 71期
关键词：
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, we propose the peak of the sixth-order polynomial Wigner-Ville distribution as an instantaneous frequency estimator of quadratic frequency-modulated signals in the presence of multiplicative and additive complex Gaussian processes. We show that this estimator is unbiased and we derive an analytic expression of its asymptotic variance. Simulation results, based on Monte Carlo realizations, are presented in order to show the validity of the theoretical derivations.
引用
收藏
页码：255 / 262
页数：8
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