Narrowband active noise control using adaptive delay filter

被引：3
|
作者：
Kuo, SM [1 ]
Chung, KM [1 ]
机构：
[1] No Illinois Univ, Dept Elect Engn, De Kalb, IL 60115 USA
来源：
IEEE SIGNAL PROCESSING LETTERS | 1998年 / 5卷 / 12期
关键词：
active noise and vibration control; adaptive delay estimation; adaptive filtering;
D O I：
10.1109/97.735421
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：
An adaptive delay filter (ADF) consisting of one variable delay and gain is developed for narrowband active noise control. The ADF estimates the time delay and the gain difference between the primary and secondary paths at a given frequency. Multiple ADF systems are connected in parallel to control periodic noise with several narrowband components. Theoretical analysis shows that the amount of noise reduction is determined by the delay difference and the sampling rate.
引用
收藏
页码：309 / 311
页数：3
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