QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:脉冲噪声环境下基于分数低阶循环相关的MUSIC算法

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Date of Publication:2009-09-15

Journal:电子与信息学报

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

Volume:31

Issue:9

Page Number:2269-2273

ISSN No.:1009-5896

Key Words:信号处理;波达方向估计;循环平稳;稳定分布;分数低阶循环统计量;Cyclic-MUSIC算法

Abstract:该文以稳定分布作为噪声模型,研究了脉冲噪声环境下循环平稳信号的波达方向估计问题.针对在脉冲噪声环境中基于传统2阶循环相关的算法效果显著退化的问题,该文提出了基于分数低阶循环相关的分数低阶循环MUSIC算法(FLOCC-MUSIC).将分数低阶循环相关与MUSIC算法相结合,可以有效抑制脉冲噪声的同频带干扰.计算机仿真表明了此算法可有效完成高斯噪声和脉冲噪声条件下的波达方向估计,其性能优于传统的基于2阶循环相关的Cyclic-MUSIC.

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