Plain gradient based direct frequency estimation using second-order constrained adaptive IIR notch filter

被引：14
|
作者：
Zhou, J [1 ]
Li, G [1 ]
机构：
[1] Nanyang Technol Univ, Sch EEE, Singapore 639798, Singapore
来源：
ELECTRONICS LETTERS | 2004年 / 40卷 / 05期
关键词：
D O I：
10.1049/el:20040213
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：
An investigation of the problem of direct frequency estimation with a constrained second-order adaptive IIR notch filter using the plain gradient algorithm is reported. The closed form expressions for the bias and mean square error of the proposed algorithm are derived. Simulations show that the proposed algorithm yields a faster convergence speed than the conventional indirect frequency estimation algorithms.
引用
收藏
页码：351 / 352
页数：2
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