QIU Tianshuang   

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Paper Publications

基于分数低阶ICA的混合噪声中脉冲噪声的消除方法

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Indexed by:Journal Article

Date of Publication:2011-09-25

Journal:通信学报

Included Journals:Scopus、CSCD、ISTIC、PKU、EI

Volume:32

Issue:9

Page Number:77-81

ISSN:1000-436X

Key Words:信号与信息处理;α稳定分布噪声;ICA;噪声消除

Abstract:为了解决当信号中同时含有高斯噪声与α稳定分布脉冲噪声时,传统的基于二阶统计量的去噪方法会出现显著的性能退化的问题.通过基于负熵的分数低阶独立分量分析(ICA)算法先去除混合噪声中的脉冲噪声,然后利用SVD算法再去除混合信号中高斯噪声的方法,取得了较好的效果,且有效保护了混合信号中的纯净信号.

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