路径(计算)
传递函数
滤波器(信号处理)
控制理论(社会学)
自适应滤波器
计算
噪音(视频)
相(物质)
算法
计算机科学
主动噪声控制
核自适应滤波器
数学
滤波器设计
控制(管理)
人工智能
工程类
物理
量子力学
计算机视觉
图像(数学)
电气工程
程序设计语言
作者
Ming Wu,Xiaojun Qiu,Guoyue Chen
出处
期刊:IEEE Signal Processing Letters
[Institute of Electrical and Electronics Engineers]
日期:2008-01-01
卷期号:15: 313-316
被引量:17
标识
DOI:10.1109/lsp.2007.914946
摘要
When implementing active noise control (ANC) systems, the filtered-x LMS (FXLMS) algorithm is often used, where the secondary path transfer function between the output of the adaptive control filter and the error sensor has to be modeled. To model the secondary path precisely, the secondary path estimation filter should be of sufficient order. However, too large an order increases the computation load of the FXLMS algorithm. In this letter, the relationship between the modeling phase error and the order of the secondary path modeling filter is analyzed.
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