QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:脉冲噪声环境中韧性的子空间频率估计算法

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Date of Publication:2010-02-15

Journal:大连海事大学学报

Included Journals:PKU、ISTIC、CSCD、Scopus

Volume:36

Issue:1

Page Number:107-110

ISSN No.:1006-7736

Key Words:脉冲噪声;α稳定分布;m-估计方法;子空间;分数低阶矩(FLOS);频率估算

Abstract:为提高脉冲噪声环境中基于子空间的正弦信号频率估计算法的性能,以α稳定分布过程为脉冲噪声模型,利用m-估计方法得到接收信号尺度的鲁棒估计.构建鲁棒的接收信号协方差矩阵,并利用子空间方法得到正弦信号频率的估计.计算机仿真结果表明:该方法在强脉冲和低信噪比环境中的性能显著优于基于分数低阶统计量的子空间频率估计方法.

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