QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:基于稳定分布模型的自适应阵列信号处理新方法

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Date of Publication:2005-05-20

Journal:系统工程与电子技术

Included Journals:Scopus、PKU、ISTIC、CSCD

Volume:27

Issue:5

Page Number:779-783,830

ISSN No.:1001-506X

Key Words:阵列信号处理;稳定分布;分数低阶统计量;共变;分数阶相关

Abstract:传统方法常对阵列信号处理所研究的噪声采用高斯分布的模型进行描述,但当噪声存在显著的尖峰时,往往不能得到满意的结果.利用稳定分布建模实际中所遇到的具有较大脉冲特性的随机噪声,综述了稳定分布模型下的信源定位、波达方向估计、波束形成等阵列信号处理方法,并利用分数低阶统计量提出了几种较有韧性的阵列信号处理新方法.仿真表明它们在高斯和低阶α稳定分布噪声条件下,具有良好韧性与有效性.

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