A VARIABLE STEP SIZE LMS ADAPTIVE FILTERING ALGORITHM BASED ON THE NUMBER OF COMPUTING MECHANISMS

被引：5
|
作者：
Liu, Fu-Cai [1 ]
Zhang, Yan-Xin [1 ]
Wang, Ya-Jing [1 ]
机构：
[1] Yanshan Univ, Key Lab Ind Comp Control Engn Hebei Prov, Qin Huang Dao 066004, Peoples R China
来源：
PROCEEDINGS OF 2009 INTERNATIONAL CONFERENCE ON MACHINE LEARNING AND CYBERNETICS, VOLS 1-6 | 2009年
关键词：
Adaptive filtering; Many computing mechanism; Variable step size; LMS;
D O I：
10.1109/ICMLC.2009.5212187
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper proposes a novel variable step size LMS algorithm based on the number of computing mechanisms by analyzing the basic principles of the variable step LMS adaptive filtering algorithms. The algorithm establishes a different nonlinear relation-ship between step factor and error signal based on the different sampling time, which not only can control step size by using sampling time indirectly, but also change the parameters to meet the requirement of fast convergence. Compared with the other variable step algorithms, this algorithm is proved to have faster convergence speed and higher stability.
引用
收藏
页码：1904 / 1908
页数：5
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