QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:基于分数低阶矩的非整数时间延迟估计方法

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Date of Publication:2006-12-25

Journal:通信学报

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

Volume:27

Issue:12

Page Number:37-42

ISSN No.:1000-436X

Key Words:信号处理;非整数时间延迟估计;分数低阶矩;α稳定分布;脉冲噪声

Abstract:依据信号的噪声特性和分数低阶矩理论,提出一种基于最小平均p范数的非整数时间延迟估计方法(称为LMPFTDE算法).该算法是对直接估计非整数采样间隔的时间延迟估计算法(ETDGE)的广义化,运用最小分散系数准则,通过使误差的p阶矩最小得到非整数时间延迟估计值.理论分析和计算机仿真结果都表明该方法不仪可以在高斯噪声环境下工作,而且在脉冲噪声下也具有良好的健壮性.

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