基于非标准Keystone变换的捷变频雷达相参积累算法

TN958; 针对捷变频雷达(frequency-agile radar,FAR)相参积累难题,提出基于非标准Keystone变换(Keystone transform,KT)的FAR相参积累算法,与标准KT相比,所提算法增加了距离补偿环节,构造了不同的虚拟慢时间.同时,考虑到 目标距离信息通常未知,利用距离补偿后信号的周期性,大幅缩小了距离搜索区间.仿真结果表明,所提算法无需目标距离先验信息,能够同时解决捷变频雷达相参积累以及高速运动 目标容易出现的跨距离门、多普勒模糊问题,抗噪性能与当前主流的基于压缩感知的捷变频相参积累算法相当,但计算量更低....

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Published in系统工程与电子技术 Vol. 45; no. 12; pp. 3836 - 3844
Main Authors 张亮, 杜庆磊, 周必雷, 瞿奇哲, 王永良
Format Journal Article
LanguageChinese
Published 空军预警学院,湖北武汉 430019 01.12.2023
中国人民解放军94326部队,山东济南 250000%空军预警学院,湖北武汉 430019
Subjects
frequency-agile radar(FAR)
Keystone变换
相参积累
Keystone transform(KT)
捷变频雷达
coherent integration
Online AccessGet full text
ISSN1001-506X
DOI10.12305/j.issn.1001-506X.2023.12.13

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Abstract TN958; 针对捷变频雷达(frequency-agile radar,FAR)相参积累难题,提出基于非标准Keystone变换(Keystone transform,KT)的FAR相参积累算法,与标准KT相比,所提算法增加了距离补偿环节,构造了不同的虚拟慢时间.同时,考虑到 目标距离信息通常未知,利用距离补偿后信号的周期性,大幅缩小了距离搜索区间.仿真结果表明,所提算法无需目标距离先验信息,能够同时解决捷变频雷达相参积累以及高速运动 目标容易出现的跨距离门、多普勒模糊问题,抗噪性能与当前主流的基于压缩感知的捷变频相参积累算法相当,但计算量更低.
AbstractList TN958; 针对捷变频雷达(frequency-agile radar,FAR)相参积累难题,提出基于非标准Keystone变换(Keystone transform,KT)的FAR相参积累算法,与标准KT相比,所提算法增加了距离补偿环节,构造了不同的虚拟慢时间.同时,考虑到 目标距离信息通常未知,利用距离补偿后信号的周期性,大幅缩小了距离搜索区间.仿真结果表明,所提算法无需目标距离先验信息,能够同时解决捷变频雷达相参积累以及高速运动 目标容易出现的跨距离门、多普勒模糊问题,抗噪性能与当前主流的基于压缩感知的捷变频相参积累算法相当,但计算量更低.
Author 周必雷
张亮
王永良
瞿奇哲
杜庆磊
AuthorAffiliation 空军预警学院,湖北武汉 430019;中国人民解放军94326部队,山东济南 250000%空军预警学院,湖北武汉 430019
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Author_FL WANG Yongliang
QU Qizhe
ZHANG Liang
ZHOU Bilei
DU Qinglei
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DocumentTitle_FL A coherent integration algorithm of frequency-agile radar based on non-standard Keystone transform
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Issue 12
Keywords frequency-agile radar(FAR)
Keystone变换
相参积累
Keystone transform(KT)
捷变频雷达
coherent integration
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Publisher 空军预警学院,湖北武汉 430019
中国人民解放军94326部队,山东济南 250000%空军预警学院,湖北武汉 430019
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Snippet TN958; 针对捷变频雷达(frequency-agile radar,FAR)相参积累难题,提出基于非标准Keystone变换(Keystone transform,KT)的FAR相参积累算法,与标准KT相比,所提算法增加了距离...
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Title 基于非标准Keystone变换的捷变频雷达相参积累算法
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