QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:低阶非高斯噪声下基于BOREL谱测度的诱发电位少次提取方法

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Date of Publication:2009-04-20

Journal:中国生物医学工程学报

Included Journals:Scopus、PKU、ISTIC

Volume:28

Issue:2

Page Number:177-182

ISSN No.:0258-8021

Key Words:α-稳定分布;BOREL测度;诱发电位;独立分量分析

Abstract:EEG信号的非高斯特性导致了传统的EP信号提取算法的退化,为提高EP信号提取方法的韧性并实现少次提取,本研究利用BOREL谱测度的峰值确定欠定混合矩阵的基矢量,从而确定各个独立分量,并实现诱发电位的少次提取.仿真表明,利用基于BOREL测度的新方法分离前后的EP信号与EEG噪声的相关系数为0.9以上.这种方法是一种在分数低阶稳定分布噪声条件下具有良好韧性的诱发电位少次提取的新方法.

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