A Robust PAST Algorithm Based on Maximum Correntropy Criterion for Impulsive Noise Environments

ZHANG Jin-feng; QIU Tian-shuang; LI Sen

doi:10.3969/j.issn.0372-2112.2015.03.010

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A Robust PAST Algorithm Based on Maximum Correntropy Criterion for Impulsive Noise Environments

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- A Robust PAST Algorithm Based on Maximum Correntropy Criterion for Impulsive Noise Environments
- Acta Electronica Sinica Vol. 43, Issue 3, Pages: 483-488(2015)
- 作者机构：
  
  1. 大连理工大学电子信息与电气工程学部,辽宁,大连,116024
  2. 深圳大学深圳市现代通信与信息处理重点实验室,广东,深圳,518060
  3. 大连海事大学信息科学技术学院,辽宁,大连,116026
  4. 大连理工大学电子信息与电气工程学部,辽宁,大连,116024
  5. 深圳大学深圳市现代通信与信息处理重点实验室,广东,深圳,518060
  6. 大连海事大学信息科学技术学院,辽宁,大连,116026
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.61172108, No.61139001, No.61301228);Fundamental Research Funds for the Central Universities (No.3132014212)
- DOI：10.3969/j.issn.0372-2112.2015.03.010
  CLC： TN911.7
- Published：2015
- 稿件说明：
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ZHANG Jin-feng, QIU Tian-shuang, LI Sen. A Robust PAST Algorithm Based on Maximum Correntropy Criterion for Impulsive Noise Environments[J]. Acta Electronica Sinica, 2015, 43(3): 483-488.
DOI：

ZHANG Jin-feng, QIU Tian-shuang, LI Sen. A Robust PAST Algorithm Based on Maximum Correntropy Criterion for Impulsive Noise Environments[J]. Acta Electronica Sinica, 2015, 43(3): 483-488. DOI： 10.3969/j.issn.0372-2112.2015.03.010.

摘要

本文采用最大相关熵准则(MCC)对投影近似子空间跟踪(PAST)算法中基于最小平方误差(MSE)准则的目标函数进行修正

推导出适用于冲激噪声环境的韧性投影近似子空间跟踪新算法(MCC_PAST算法).对两种冲激噪声模型包括

稳定分布噪声模型和混合高斯噪声模型环境下的时变波达方向估计问题的实验仿真表明

与基于韧性M估计的PAST改进算法(RLM_PAST算法)相比

MCC_PAST算法可以自适应地调整核长

对于阵列接收数据的变化体现出更好的适应性.

Abstract

By employing the maximum correntropy criterion(MCC)based cost function in projection approximation subspace tracking(PAST)algorithm

we deduce the MCC_PAST algorithm which can be utilized for the projection approximation subspace tracking under impulsive noise environments.We examine the performance of our proposed algorithm in the time-varying DOA(Direction Of Arrival)estimation problem under two types of impulsive noise environments

including the alpha-stable noise environments and the contaminated Gaussian noise environments.By adjusting the kernel parameter adaptively in the algorithm

MCC_PAST exhibits superiority over the robust M-estimate based PAST algorithm

especially when there are sudden changes in the array outputs.

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