A RECURSIVE LEAST-SQUARES ALGORITHM FOR AN ORTHOGONAL IIR ADAPTIVE LINE ENHANCER

被引：0
|
作者：
FAHMY, MF
ELRAHEEM, GM
IBRAHIM, HM
机构：
[1] Department of Electrical and Electronic Engineering, University of Assiut, Assiut
来源：
INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS | 1995年 / 23卷 / 05期
关键词：
D O I：
10.1002/cta.4490230504
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：
A novel method is described for the frequency estimation of signals from a noisy background. It is based on realizing the IIR adaptive filter as a parallel connection of discrete orthogonal sections. A fast Gauss-Newton-type recursive algorithm has also been derived to update the parameters of these orthogonal sections. It has been shown that for highly noisy signals, this approach significantly improves the frequency estimation capabilities as well as increases the overall signal-to-noise ratio of the adaptive recursive filters. Illustrative examples are given to verify these results.
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收藏
页码：501 / 514
页数：14
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