QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:基于相关熵希尔伯特差值的窄带射频信号时延估计

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Date of Publication:2016-07-26

Journal:大连理工大学学报

Included Journals:PKU、ISTIC、CSCD、Scopus

Volume:56

Issue:4

Page Number:414-419

ISSN No.:1000-8608

Key Words:窄带射频信号;脉冲噪声;相关熵;希尔伯特变换;时延估计

Abstract:窄带射频信号时延估计的精度往往会受到相对带宽的制约和噪声的影响。针对这一问题,提出了相关熵希尔伯特变换时延估计的定理,并结合此定理提出了一种在脉冲噪声环境下,适用于窄带射频信号的相关熵希尔伯特差值时延估计算法。该算法具有受信号相对带宽影响较小、抗噪能力较强等特点。仿真结果表明,与 CCF、FLOC、lp 范数等算法相比,该算法具有更好的时延估计有效性和准确度。

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