QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:对称稳定分布的相关熵及其在时间延迟估计上的应用

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Date of Publication:2011-02-15

Journal:电子与信息学报

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

Volume:33

Issue:2

Page Number:494-498

ISSN No.:1009-5896

Key Words:信号处理;相关熵;对称稳定分布;最大相关熵准则;最小分散系数准则

Abstract:相关熵是一个表示随机变量局部相似性的统计量.该文首先研究对称α-稳定(SαS)分布的相关熵的参数表示,利用该参数表示证明了对于位置参数为零的SαS分布,最大相关熵准则与最小分散系数准则是等价的.最后将研究结果应用于稳定分布噪声环境下自适应时间延迟估计.仿真实验表明,该文算法性能优于最小均方误差时间延迟估计与最小平均P-范数时间延迟估计.

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