基于LMS算法自适应噪声抵消器的分析研究

LMS Algorithm Based on Adaptive Noise Canceller Analysis

自适应信号处理的理论和技术已经成为人们常用的语音去噪技术,而Matlab为其提供了更为方便快捷的方法来对语音信号进行消噪处理。通过介绍自适应滤波器原理,在对自适应滤波器相关理论研究的基础上,重点研究了LMS自适应滤波算法,并对LMS自适应算法进行了分析,用Matlab对其进行了仿真和实现。

The theory and technology of adaptive signal processing have gradually become a common noise canceling technology,And MATLAB provides a more convenient way for canceling noise processing voice signals. The principle of the adaptive filter was introduced, On the basis of research on adaptive filter theory, LMS adaptive filter algorithm is especially studied, and the LMS adaptive algorithm was analyzed. While conducting the simulation and realization of an adaptive low- pass filter by using MATLAB, the performance of this adaptive filter was analyzed.