QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:诱发电位潜伏期变化检测中基于谱函数特性分析的参考信号构造方法

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Date of Publication:2005-10-30

Journal:中国生物医学工程学报

Included Journals:PKU、ISTIC、CSCD、Scopus

Volume:24

Issue:5

Page Number:513-518

ISSN No.:0258-8021

Key Words:诱发电位;潜伏期变化检测;参考信号;谱函数;零极点

Abstract:诱发电位信号潜伏期变化的自适应检测对于诊断中枢神经系统的损伤和病变具有重要的意义.在以往的潜伏期变化估计算法中,往往采用通过累加平均的方法得到的近似纯净的EP信号作为自适应时间延迟估计的参考信号.而在临床上.无潜伏期延迟的纯净EP信号是很难得到的.本研究提出了一种基于信号谱函数分析的EP信号构造方法,并将此信号作为参考信号,应用到诱发电位信号潜伏期变化估计中去,得到了良好的结果.

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