Estimation of the number of harmonics in multiplicative and additive noise

被引：13

作者：

Yang, Shiyong ^{[1
]}

Li, Hongwei ^{[1
]}

机构：

[1] China Univ Geosci, Sch Math & Phys, Wuhan 430074, Peoples R China

来源：

SIGNAL PROCESSING | 2007年 / 87卷 / 05期

基金：

中国国家自然科学基金;

关键词：

estimation of the number of harmonics; enhanced matrix; harmonic retrieval; multiplicative noise; eigenvalue;

D O I：

10.1016/j.sigpro.2006.10.011

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：

This paper presents a method for estimating the number of harmonics in multiplicative and additive noise using enhanced matrix. We construct an enhanced matrix from the data samples, and then analyze the eigenvalues of the covariance matrix of the enhanced matrix. The number of harmonics in multiplicative and additive noise is inherent with the eigenvalues and it can be estimated using the special property of the eigenvalues. The proposed method avoids the peaks searching and does not assume the distribution and color of the multiplicative and additive noise. Simulation results are presented to demonstrate the effectiveness of the proposed algorithm. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：1128 / 1137

页数：10

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