QIU Tianshuang

Paper Publications

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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

Indexed by:

期刊论文

Date of Publication:

2018-06-25

Journal:

通信学报

Document Type:

J

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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