全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
电子学报  2015 

冲激噪声环境下基于最大相关熵准则的韧性子空间跟踪新算法

DOI: 10.3969/j.issn.0372-2112.2015.03.010, PP. 483-488

Keywords: 投影近似子空间跟踪(PAST),相关熵,冲激噪声,M估计

Full-Text   Cite this paper   Add to My Lib

Abstract:

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.

References

[1]  张贤达.矩阵分析与应用[M].北京:清华大学出版社, 2004. ZHANG Xian-da.Matrix Analysis and Applications[M].Beijing:Tsinghua University Press, 2004.
[2]  YANG B.Projection approximation subspace tracking[J].IEEE Transactions on Signal Processing, 1995, 43(1):95-107.
[3]  HUBER P J.Robust Statistics[M].New York:Wiley, 1981.
[4]  NIKIAS C L, SHAO M.Signal Processing with α-Stable Distribution and Applications[M].New York:John Wiley&Sons, 1995.
[5]  CHAN S C, WEN Y, HO K L.A robust PAST algorithm for subspace tracking in impulsive noise[J].IEEE Transactions on Signal Processing, 2006, 54(1):105-115.
[6]  李森, 邱天爽.Alpha稳定分布噪声中的韧性投影近似子空间跟踪算法[J].电子学报, 2009, 37(3):519-522. LI Sen, QIU Tian-shuang.A robust PAST algorithm in alpha stable noise environment[J].Acta Electronica Sinica, 2009, 37(3):519-522.(in Chinese)
[7]  SANTAMARIA, POKHAREL P P, PRINCIPE J C.Generalized correlation function:definition, properties, and application to blind equalization[J].IEEE Transactions on Signal Processing, 2006, 54(6):2187-2197.
[8]  LIU W F, POKHAREL P P, PRINCIPE J C.Correntropy:properties and applications in non-Gaussian signal processing[J].IEEE Transactions on Signal Processing, 2007, 55(11):5268-5298.
[9]  宋爱民, 邱天爽, 佟祉谏.对称稳定分布的相关熵及其在时间延迟估计上的应用[J].电子与信息学报, 2011, 33(2):494-498. SONG Ai-min, QIU Tian-shuang, TONG Zhi-jian.Correntropy of the symmetric stable distribution and its application to the time delay estimation[J].Journal of Electronics & Information Technology, 2011, 33(2):494-498.(in Chinese)
[10]  CHAN S C, ZOU Y X.A recursive least M-estimate algorithm for robust adaptive filtering in impulsive noise:fast algorithm and convergence performance analysis[J].IEEE Transactions on Signal Processing, 2006, 52(4):975-991.
[11]  ZHANG X D, LIANG Y C.Prefiltering-based ESPRIT for estimating parameters of sinusoids in non-Gaussian ARMA noise[J].IEEE Transactions on Signal Processing, 1995, 43(1):349-353.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133