QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:基于分数低阶矩的LETDE时延估计算法

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Date of Publication:2006-05-25

Journal:通信学报

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

Volume:27

Issue:5

Page Number:12-17

ISSN No.:1000-436X

Key Words:LETDE;α稳定分布;时间延迟;p阶矩

Abstract:依据α稳定分布噪声模型,提出了一种新的时延估计方法--基于分数低阶矩的ETDE (explicit time delay estimation) 方法,简称为LETDE (low-order explicit time delay estimation).该方法以估计误差的p阶矩作为优化准则,有效地抑制了非高斯噪声对估计值的影响.理论分析和计算机仿真实验都表明其具有良好的韧性,同时适用于高斯噪声和α稳定分布脉冲噪声下的时延估计.

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