Complete direct/parallel structure for narrowband active noise control systems

被引：8

作者：

Chang, Cheng-Yuan ^{[1
]}

Kuo, Sen M. ^{[2
]}

机构：

[1] Chung Yuan Christian Univ, Dept Elect Engn, Chungli, Taiwan

[2] No Illinois Univ, Dept Elect Engn, De Kalb, IL 60115 USA

来源：

IET SIGNAL PROCESSING | 2013年 / 7卷 / 06期

关键词：

active noise control; adaptive filters; channel bank filters; signal denoising; complete direct-parallel narrowband ANC system; noise reduction; adaptive algorithm; sinusoidal frequencies; error signal; frequency components; delayless filter bank; direct-parallel narrowband active noise control system; narrowband active noise control systems; complete direct-parallel structure; CONVERGENCE ANALYSIS; ALGORITHM;

D O I：

10.1049/iet-spr.2012.0156

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A bank of adaptive filters is updated via a parallel or direct/parallel narrowband active noise control (ANC) system uses an error signal. This work presents a delayless filter bank to separate the frequency components of the error signal based on the sinusoidal frequencies of input signals to update the corresponding adaptive filters in a direct/parallel structure. A cost function is also proposed to develop an adaptive algorithm in order to reduce noise and increase convergence speed for this complete direct/parallel narrowband ANC system. Theoretical analysis results demonstrate the increased convergence speed. Moreover, the analysis results and increased noise reduction are verified based on simulation results.

引用

页码：477 / 485

页数：9

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