ACOUSTIC FEEDBACK CANCELLATION OF ACTIVE NOISE CONTROL SYSTEMS WITH OPTIMIZED SECONDARY PATH

被引：0
|
作者：
Ma, Haowen [1 ]
Zhang, Limin [1 ]
Yan, Feng [1 ]
机构：
[1] Nanjing Univ, Sch Elect Sci & Engn, Nanjing, Jiangsu, Peoples R China
来源：
PROCEEDINGS OF THE 23RD INTERNATIONAL CONGRESS ON SOUND AND VIBRATION: FROM ANCIENT TO MODERN ACOUSTICS | 2016年
关键词：
NEUTRALIZATION;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In an active noise control system, acoustic feedback from the secondary source to the reference sensor degrades the system performance. This paper analyzes the transfer function of the feedforward system with acoustic feedback and points out the relationship between secondary path and acoustic feedback. Then, methods with optimized secondary path are proposed to eliminate acoustic feedback effect and improve system performance. Finally, the computer simulations are carried out to show the feasibility of the proposed method.
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页数：7
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