A variable step-size adaptive algorithm for direct frequency estimation

被引：16

作者：

Ban, Sung Jun ^{[1
]}

Lee, Chang Woo ^{[1
]}

Cho, Hyeonwoo ^{[1
]}

Kim, Sang Woo ^{[1
]}

机构：

[1] Pohang Univ Sci & Technol, Div Elect & Comp Engn, Pohang 790784, Gyungbuk, South Korea

来源：

SIGNAL PROCESSING | 2010年 / 90卷 / 09期

关键词：

Frequency estimation; Adaptive algorithm; Variable step-size; LMS ALGORITHM; SINUSOIDAL FREQUENCY; PARAMETER;

D O I：

10.1016/j.sigpro.2010.03.028

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 frequency estimator based on the linear prediction property of sinusoidal signals has recently been proposed for the direct estimation of real tone frequency in white noise. We propose a variable step-size direct frequency estimator (VS-DFE), which shows improved performance on account of the use of a dynamically updated step-size instead of a fixed step-size. A comparison of the simulation results of the proposed estimator with those of conventional estimators clearly indicates its superior performance. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：2800 / 2805

页数：6

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