QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:脉冲噪声下基于自适应特征值分解的时延估计新方法

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Date of Publication:2006-11-30

Journal:大连理工大学学报

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

Volume:46

Issue:6

Page Number:905-909

ISSN No.:1000-8608

Key Words:时延估计;α稳定分布;分数低阶矩;共变矩阵;特征值分解;广义归一化最小平均p范数

Abstract:依据分数低阶统计量理论和噪声特征,提出一种鲁棒性自适应特征值分解(RAED)时延估计方法,扩展了自适应特征值分解(AED)时延估计方法的使用环境. 该算法在脉冲噪声环境下,组合两个接收信号,使其共变矩阵最小特征值对应的特征向量为信道的估计,并基于广义归一化最小平均p范数(广义NLMP)方法自适应得到该特征向量,从而获得时延估计. 计算机仿真表明该方法在脉冲噪声环境下具有较好的鲁棒性.

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