QIU Tianshuang   

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Paper Publications

Title of Paper:基于循环相关熵谱的时频混叠信号载波频率估计方法

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Date of Publication:2018-06-25

Journal:通信学报

Volume:39

Issue:6

Page Number:20-26

ISSN No.:1000-436X

Key Words:Alpha稳定分布;循环相关熵;时频混叠;载频估计

Abstract:针对Alpha稳定分布噪声环境下时频混叠BPSK信号载频估计的性能退化问题,提出了基于循环相关熵谱的时频混叠BPSK信号载频估计方法,推导了BPSK信号在0频率处循环相关熵谱幅度切面上循环频率与载波频率之间的关系,并将此关系应用于载波频率估计中.这种基于循环相关熵谱载频估计方法,能够抑制脉冲噪声的影响,具有较好的估计性能,仿真实验证明了算法的有效性与顽健性.

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