A recursive scheme for frequency estimation using the modulating functions method

被引：27
|
作者：
Fedele, Giuseppe [1 ]
Coluccio, Loredana [1 ]
机构：
[1] Univ Calabria, Dipartimento Elettron Informat & Sistemist, I-87036 Arcavacata Di Rende, Cs, Italy
来源：
APPLIED MATHEMATICS AND COMPUTATION | 2010年 / 216卷 / 05期
关键词：
Frequency estimation; Modulating functions; Recursive estimation; SYSTEM-IDENTIFICATION; ALGORITHMS; SINUSOIDS; SIGNALS;
D O I：
10.1016/j.amc.2010.02.039
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, an application of modulating functions method for estimation of the frequency of noisy sinusoids, is proposed. The unknown frequency is updated by introducing a recursive algorithm which is independent by the choice of the modulating functions type. The proposed recursive estimation formula is able to take into account possible abrupt changes or sweep in the frequency of the sinusoidal signal. The goodness of the proposed method is verified through numerical simulations. (C) 2010 Elsevier Inc. All rights reserved.
引用
收藏
页码：1393 / 1400
页数：8
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