A new variable step size LMS algorithm based on hyperbolic tangent function

LI Jian-ping; MENG Jian-bo

doi:10.13873/j.1000-97872011.05.018

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A new variable step size LMS algorithm based on hyperbolic tangent function

更新时间：2025-09-11

- A new variable step size LMS algorithm based on hyperbolic tangent function
- Vol. 30, Issue 5, Pages: 127-128+132(2011)
- 作者机构：
  
  重庆大学自动化学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872011.05.018
  CLC： TN713
- Published：2011
- 稿件说明：
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[1]李建平,蒙建波.基于双曲函数的变步长LMS算法及其分析[J].传感器与微系统,2011,30(05):127-128+132.

LI Jian-ping, MENG Jian-bo. A new variable step size LMS algorithm based on hyperbolic tangent function[J]. 2011, 30(5): 127-128+132.
[1]李建平,蒙建波.基于双曲函数的变步长LMS算法及其分析[J].传感器与微系统,2011,30(05):127-128+132. DOI： 10.13873/j.1000-97872011.05.018.

LI Jian-ping, MENG Jian-bo. A new variable step size LMS algorithm based on hyperbolic tangent function[J]. 2011, 30(5): 127-128+132. DOI： 10.13873/j.1000-97872011.05.018.

摘要

提出一种基于双曲函数的变步长最小均方（LMS）算法。通过对双曲余弦函数进行数学变换

建立起误差信号与步长因子的LMS算法

根据误差信号的变化来自动调节步长的大小。仿真结果证明:所提出的LMS算法比标准的LMS算法有着更快的收敛速度等优点。

Abstract

A variable step least mean square（LMS） algorithm is presented.The LMS algorithm between step size and error signal is established by a mathematical transform of hyperbolic tangent function.According to change of error signal

the step size is adjusted automatically.The simulation results show that the proposed algorithm has faster convergence speed than standard LMS algorithm.

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references

一种新的变步长LMS自适应滤波算法仿真研究 [J]. 刘杰,闫清东. 微计算机信息 . 2008(31)

一种新的可变步长LMS自适应滤波算法 [J]. 王敏强,郑宝玉. 信号处理 . 2004(06)

一种变步长LMS自适应滤波算法及分析 [J]. 高鹰,谢胜利. 电子学报 . 2001(08)

一种新的变步长LMS自适应滤波算法 [J]. 覃景繁,欧阳景正. 数据采集与处理 . 1997(03)

数字信号处理实践方法[M]. 电子工业出版社 , (英)EmmanuelC.Ifeachor,（英）BarrieW.Jervis著, 2004

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