Convergent Cascade-Form Adaptive IIR Filter

Dai Xianhua

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Convergent Cascade-Form Adaptive IIR Filter

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- Convergent Cascade-Form Adaptive IIR Filter
- Acta Electronica Sinica Issue 1, (1996)
- 作者机构：
  
  华南理工大学无线电所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN713
- Published：1996
- 稿件说明：
移动端阅览
[1]戴宪华.收敛的级联形式自适应IIR滤波器[J].电子学报,1996(01):108-111.

Dai Xianhua. Convergent Cascade-Form Adaptive IIR Filter[J]. Acta Electronica Sinica, 1996, (1).
[1]戴宪华.收敛的级联形式自适应IIR滤波器[J].电子学报,1996(01):108-111. DOI：

Dai Xianhua. Convergent Cascade-Form Adaptive IIR Filter[J]. Acta Electronica Sinica, 1996, (1). DOI：

摘要

本文主要研究基于级联形式实现的自适应ＩＩＲ滤波器（ＡＩＩＲＦ）．分别讨论预测误差算法（ＰＥＡ）和利用预测误差及新的收敛梯度对ＡＩＩＲＦ参数估计算法的级联ＡＩＩＲＦ。与直接形式实现的ＡＩＩＲＦ相比，级联ＡＩＩＲＦ可直接对其极点估计检测，从而确保ＡＩＩＲＦ的稳定性。新算法的参数估计可以收敛于全局最优解，解决了输出误差算法（ＯＥＡ）中的多局部极小点问题。

Abstract

The paper investigates the adaptive IIR filter realized with cascade-form

which provides robust stability monitoring with less complexity than the direct-form realization.The adaptive algorithm presented in the paper overcome the problems

such as

initial state and multiple-repeated poles.The convergence performance of adaptive IIR filter illustrated by simulation is improved significantly.

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