QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:一种基于分数低阶协方差矩阵的波束形成新方法

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Date of Publication:2005-07-25

Journal:通信学报

Included Journals:PKU、ISTIC、CSCD

Volume:26

Issue:7

Page Number:16-20,55

ISSN No.:1000-436X

Key Words:信号处理;分数低阶矩;分数低阶协方差;波束形成;α-稳定分布

Abstract:利用稳定分布对具有脉冲特性的噪声进行建模,提出了一种新的分数低阶协方差概念,推导了一种基于分数低阶协方差矩阵的波束形成方法,并分析了其旁瓣特性.模拟表明新方法具有更高的信号干扰噪声比及更强的波束形成与旁瓣抑制能力.新算法在高斯和分数低阶稳定分布环境下比传统的算法具有更好的韧性.

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