| 基于变换域全相位FIR自适应滤波算法 |
| |
| 引用本文： | 苏飞,王兆华.基于变换域全相位FIR自适应滤波算法[J].电子学报,2004,32(11):1859-1863. |
| |
| 作者姓名： | 苏飞 王兆华 |
| |
| 作者单位： | 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 |
| |
| 基金项目： | 天津大学校科研和教改项目 |
| |
| 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.
|
| 关 键 词： | 全相位 自适应滤波 重叠滤波器 LMS算法 稳态失调 |
| 文章编号： | 0372-2112(2004)11-1859-05 |
| 收稿时间： | 2003-06-09 |
Adaptive Filtering Algorithm Based on All Phase FIR in Transform Domain |
| |
| 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. |
| |
| Authors: | SU Fei WANG Zhao-hua |
| |
| Affiliation: | 1. TTSEC,CDTV R&D Group,Tianjin 300385,China; 2. Electronic Engineering School,Tianjin University,Tianjin 300072,China |
| |
| 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. |
| |
| Keywords: | all phase adaptive filtering overlapping filter LMS algorithm steady maladjustment |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《电子学报》浏览原始摘要信息 |
|
点击此处可从《电子学报》下载全文 |
