主动周期噪声控制系统的稳定性分析

Final Program and Paper Summaries 1991 IEEE ASSP Workshop on Applications of Signal Processing to Audio and Acoustics Pub Date : 1900-01-01 DOI:10.1109/ASPAA.1991.634145

A. Barbosa, S. Kuo

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引用次数: 0

摘要

摘要:本文提出了一种采用与待消除噪声基频相同的内部产生脉冲串作为参考输入的有源周期噪声控制系统的稳定性分析。通过极坐标图进行稳定性分析，表明了对LMS自适应输入的补偿(滤波- x)可以提高APNC系统的稳定性。极坐标图还显示了系统的稳定性与步长p和抖动阶数hr之间的关系。

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Stability Analysis of an Active Periodic Noise Control System

Abstract: This paper presents or stabiliry analysis of an active periodic noise control (APNC) system using an internally generated impulse train with the same fundamental frequency as the noise to be canceled as reference input. The stability analysis is made through the use of polar plots and shows how the compensation of the input to the LMS adaptation cfiltered-X) can improve stability of the APNC system. This polar plot also shows the relationship between the stability of the system and step size p andjilter order hr.

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Final Program and Paper Summaries 1991 IEEE ASSP Workshop on Applications of Signal Processing to Audio and Acoustics

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