QIU Tianshuang   

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Paper Publications

Title of Paper:α稳定分布噪声环境下基于μ律压缩的诱发电位潜伏期变化自适应检测方法

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Date of Publication:2006-06-20

Journal:中国生物医学工程学报

Included Journals:PKU、ISTIC、Scopus

Volume:25

Issue:3

Page Number:271-276

ISSN No.:0258-8021

Key Words:诱发电位;潜伏期变化;α稳定分布;μ律压缩

Abstract:诱发电位潜伏期变化的自适应检测对于诊断神经系统的损伤和病变具有重要的意义.本研究根据数字通信系统中广泛使用的μ律压缩原理,给出了一种在分数低阶α稳定分布噪声环境下,具有良好韧性的诱发电位潜伏期变化检测方法.计算机仿真结果表明,该算法能够根据信号噪声特性的变化,动态地调整自身的参数值,在抑制了分数低阶α稳定分布噪声的同时,有效保留了信号成分,具有较高的估计精度和良好的韧性.

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