Analysis of Error Path Modeling Method for Practical AANC System

ZHANG Rui-hua; OUYANG Shan; ZHOU De-xin; LIU Qing-hua

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Analysis of Error Path Modeling Method for Practical AANC System

更新时间：2025-07-16

- Analysis of Error Path Modeling Method for Practical AANC System
- Acta Electronica Sinica Vol. 32, Issue 1, Pages: 55-58(2004)
- 作者机构：
  
  1. 浙江万里学院DSP重点实验室,浙江,宁波,315100
  2. 桂林电子工业学院通信与信息工程系,广西,桂林,541004
  3. 浙江万里学院DSP重点实验室浙江宁波,315100
  4. 桂林电子工业学院通信与信息工程系广西桂林,541004
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP301.6
- Published：2004
- 稿件说明：
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ZHANG Rui-hua, OUYANG Shan, ZHOU De-xin, et al. Analysis of Error Path Modeling Method for Practical AANC System[J]. Acta Electronica Sinica, 2004, 32(1): 55-58.
DOI：

ZHANG Rui-hua, OUYANG Shan, ZHOU De-xin, et al. Analysis of Error Path Modeling Method for Practical AANC System[J]. Acta Electronica Sinica, 2004, 32(1): 55-58. DOI：

摘要

以滤波－XLMS(FLMS)算法为代表的多种AANC算法用到了误差通道模型来实现对输入参考信号的滤波

而对误差通道建模的准确与否直接影响到算法的实际效果.本文分析了两种不同建模方式对FLMS算法收敛性的影响

并提出了实际AANC系统误差通道的一种建模方法

对实测数据的建模结果表明

该建模方法更符合实际.

Abstract

Most Filtered-XLMS-based AANC algorithms employ an error path model to filter the input reference signals.The effectiveness of AANC algorithm for practical applications suffers in general from the inaccuracy of error path modeling.After the effect of two different modeling methods on the convergence of FLMS algorithm is analyzed

a more accurate method of error path modeling of a practical AANC system is presented.The modeling results for practically measured data show the effectiveness of the proposed modeling method.

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