QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:alpha稳定分布的水声信号处理新方法

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Date of Publication:2005-01-01

Journal:电子与信息学报

Included Journals:PKU、ISTIC、CSCD

Volume:27

Issue:8

Page Number:1201-1204

ISSN No.:1009-5896

Key Words:分数低阶统计量; alpha稳定分布; 舰船辐射噪声; 水声信号; 检测

Abstract:本文依据分数低阶统计信号处理理论和舰船辐射噪声信号特性,提出了水声信号新的噪声模型,分析了常规LMS滤波方法在非高斯alpha稳定分布噪声下性能
   退化的原因,提出了基于分数低阶p-范数的LMP,NLMP水声信号自适应降噪滤波方法,并分析了参数p值的选取对LMP滤波效果的影响。理论分析和计算
   机仿真结果表明这种方法在高斯和非高斯alpha稳定分布条件下都具有良好的鲁棒性。

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