一种新的变步长自适应噪声消除算法

doi:10.3969/j.issn.0372-2112.2017.02.009

电子学报 ›› 2017, Vol. 45 ›› Issue (2): 321-327.DOI: 10.3969/j.issn.0372-2112.2017.02.009

一种新的变步长自适应噪声消除算法

张兰勇^1,2, 王帮民¹, 刘胜¹, 胡玉莹³

1. 哈尔滨工程大学自动化学院, 黑龙江哈尔滨 150001;
2. 毫米波国家重点实验室, 江苏南京 210096;
3. 上海交通大学电子信息与电信工程学院, 上海 200240

收稿日期:2015-06-01 修回日期:2016-05-13 出版日期:2017-02-25
- 作者简介:
- 张兰勇,男,1983年生于河北保定.哈尔滨工程大学硕士生导师.研究方向为高频信号处理,自适应滤波技术.E-mail:zlyalf@sina.com;王帮民,男,1990年生于河南南阳.博士研究生,研究方向电磁信号处理,自适应滤波技术.
- 基金资助:
- 国家自然科学基金 (No.51579047）; 国家科技支撑计划 (No.2013BAG25B01）; 毫米波国家重点实验室开放课题 (No.K201707）; MPRD专项资助 (No.IEP14001）; 教育部博士点基金 (No.20132304120015）; 中央高校基本科研业务费项目 (No.HEUCF160414）

A Novel Variable Step-Size Adaptive Interference Cancellation Algorithm

ZHANG Lan-yong^1,2, WANG Bang-min¹, LIU Sheng¹, HU Yu-ying³

1. College of Automation, Harbin Engineering University, Harbin, Heilongjiang 150001, China;
2. State Key Laboratory of Millimeter Waves, Nanjing, Jiangsu 210096, China;
3. School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Received:2015-06-01 Revised:2016-05-13 Online:2017-02-25 Published:2017-02-25
- Supported by:
- National Natural Science Foundation of China (No.51579047); National Key Technology Research and Development Program of the Ministry of Science and Technology (No.2013BAG25B01); Open Research Subject of State Key Laboratory of Millimeter Waves, Southeast University (No.K201707); Funded by MPRD (No.IEP14001); Ph.D. Programs Foundation of Ministry of Education of China (No.20132304120015); Fundamental Research Funds for the Central Universities (No.HEUCF160414)

摘要/Abstract

摘要：

本文针对电力线噪声的特点，提出了一种新的变步长自适应噪声消除算法.在自适应算法的步长与梯度之间建立了新的关系，弥补了基于误差的变步长算法在自适应噪声消除方面的不足，克服了标准LMS算法的收敛性对输入信号的敏感性，并能根据梯度调整步长大小从而实现算法的快速收敛.通过理论分析设计了新的变步长自适应噪声消除算法，并进行了仿真和实测数据验证，证明了算法相对于其他算法的优势.

关键词: 噪声消除, 自适应滤波, 变步长算法

Abstract:

Considering the features of carrier power line noise,a novel variable step-size adaptive interference cancellation algorithm is proposed in this paper.A new function relation formula between the varying step-size of adaptive algorithm and gradient is established.this algorithm not only make up for the deficiency of the variable step size algorithm based on the error in the adaptive interference cancellation,but also overcome the limitation of the standard LMS algorithm that its convergence is sensitive to the power of input signal.And the algorithm can adjust step size along with the gradient in order to converge faster.Also,theoretical analysis about the novel variable step-size adaptive interference cancellation algorithm is conducted in this paper,and the performance of the algorithm is verified by simulation and practical results.Simulation and practical results indicate the correctness of theoretical analysis and demonstrates the advantages of this algorithm.

Key words: interference cancellation, adaptive filtering, variable step size algorithm

中图分类号:

TN97

张兰勇, 王帮民, 刘胜, 等. 一种新的变步长自适应噪声消除算法[J]. 电子学报, 2017, 45(2): 321-327.

ZHANG Lan-yong, WANG Bang-min, LIU Sheng, et al. A Novel Variable Step-Size Adaptive Interference Cancellation Algorithm[J]. Acta Electronica Sinica, 2017, 45(2): 321-327.

参考文献

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一种新的变步长自适应噪声消除算法

A Novel Variable Step-Size Adaptive Interference Cancellation Algorithm

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