Adaptive Filtering Algorithm Based on All Phase FIR in Transform Domain

SU Fei; WANG Zhao-hua

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Adaptive Filtering Algorithm Based on All Phase FIR in Transform Domain

更新时间：2025-07-16

- Adaptive Filtering Algorithm Based on All Phase FIR in Transform Domain
- Acta Electronica Sinica Vol. 32, Issue 11, Pages: 1859-1863(2004)
- 作者机构：
  
  1. 天津通广三星电子有限责任公司CDTV研发组,天津,300385
  2. 天津大学电子信息工程学院,天津,300072
  3. 天津通广三星电子有限责任公司CDTV研发组天津,300385
  4. 天津大学电子信息工程学院天津,300072
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN713.7TN914.5
- Published：2004
- 稿件说明：
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SU Fei, WANG Zhao-hua. Adaptive Filtering Algorithm Based on All Phase FIR in Transform Domain[J]. Acta Electronica Sinica, 2004, 32(11): 1859-1863.
DOI：

SU Fei, WANG Zhao-hua. Adaptive Filtering Algorithm Based on All Phase FIR in Transform Domain[J]. Acta Electronica Sinica, 2004, 32(11): 1859-1863. DOI：

摘要

基于一种全相位FIR自适应滤波器

将重叠滤波思想引入变换域LMS算法

提出了DFT、DCT和DST变换域的带窗重叠自适应滤波算法(WO-TLMS).与传统的变换域LMS(TLMS)算法相比

WO-TLMS算法提高了收敛速度同时具有较低的稳态均方误差.理论分析了算法的收敛性

实验中通过和TLMS算法的比较验证了WO-TLMS算法的优越性.

Abstract

Based on a novel all-phase FIR adaptive filter

combination of overlapping idea with LMS algorithm in transform domain is proposed.Overlapping windowed adaptive filtering algorithms(WO-TLMS) in DFT、DCT and DST transform domain are presented.Compared with the conventional LMS algorithm in transform domain

WO-TLMS algorithm owns lower mean square steady error and more rapid convergence speed.Convergence property of WO-TLMS is theoretically analyzed and the superiority to TLMS is verified experimentally.

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