Improving Tracking Performance of FxLMS Algorithm Based Active Noise Control Systems

被引：0
作者：
Babu, P. [1 ]
Krishnan, A. [2 ]
机构：
[1] KS Rangasamy Coll Technol, ECE, Tiruchengode, Tamil Nadu, India
[2] KSR Coll Engn, Tiruchengode, Tamilnadu, India
来源：
RECENT TRENDS IN NETWORKS AND COMMUNICATIONS | 2010年 / 90卷
关键词：
active noise control; FxLMS algorithm; wavelet transform; soft threshold; dynamic step size;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Several approaches have been introduced in literature for active noise control (ANC) systems. Since FxLMS algorithm appears to be the best choice as a controller filter, researchers tend to improve performance of ANC systems by enhancing and modifying this algorithm. In this paper, the existing FxLMS algorithm is modified which provides a new structure for improving the tracking performance and convergence rate. The secondary signal y (n) is thresholded by Wavelet transform to improve tracking. The convergence rate is improved dynamically by varying the step size of the error signal.
引用
收藏
页码：11 / +
页数：3
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