自适应IIR陷波滤波器的绝对梯度算法

2012 9th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2012-05-16 DOI:10.1109/ECTICON.2012.6254119

A. Nosan, R. Punchalard

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引用次数: 1

摘要

提出了一种以误差信号绝对值为准则的梯度算法来调整自适应IIR陷波滤波器的滤波系数。目标是估计或跟踪被加性高斯白噪声破坏的单个正弦信号的频率。该算法可以解决前一种方法所满足的初始条件的选择问题。此外，它还具有较高的收敛速度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Absolute Gradient Algorithm for Adaptive IIR Notch Filter

The gradient algorithm used absolute value of error signal as a criterion to adjust the filter coefficient of adaptive IIR notch filter is presented in this paper. The objective is to estimate or track the frequency of a single sinusoidal signal corrupted by additive white Gaussian noise. The proposed algorithm can solve the problem of selecting an initial condition as met in the previous method. Moreover, it also has a high convergence speed.

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来源期刊

2012 9th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology

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