基于FDA-MIMO雷达低空多路径目标检测  

Detection of low-altitude multipath target based on FDA-MIMO radar

作　　者：巨丹静 邓洪高[1] 刘庆华[1] 孙少帅[1] 李哲 JU Danjing;DENG Honggao;LIU Qinghua;SUN Shaoshuai;LI Zhe(School of Information and Communication,Guilin University of Electronic Technology,Guilin 541004,China;Shijiazhuang RuiChuang Electronic Technology Co.Ltd,Shijiazhuang 050000,China)

机构地区：[1]桂林电子科技大学信息与通信学院,广西桂林541004 [2]石家庄锐创电子科技有限公司,石家庄050000

出　　处：《桂林电子科技大学学报》2022年第2期95-99,共5页Journal of Guilin University of Electronic Technology

基　　金：广西创新驱动发展专(桂科AA17204007);广西研究生教育创新计划(JGY2019078)。

摘　　要：针对由多径回波的不稳定性导致的检测性能降低的问题,提出了一种基于FDA-MIMO雷达低空目标检测方法。建立多径环境下FDA-MIMO雷达的信号发射接收模型,并将经典的Swerling2目标起伏模型推广应用于低空目标检测,采用广义似然比检测方法对目标进行检测。通过与传统的MIMO雷达和FDA雷达体制下检测方法对比,验证了该方法的可行性。Aiming at the problem of low detection performance due to the instability of multipath echo,a method based on FDA-MIMO radar was proposed to detect low-altitude target.In this paper,a signal transmitting and receiving model of FDA-MIMO radar in multi-path environment was established,and the classic Swerling2 target undulation model was popularized and applied to the detection of low-altitude target.The generalized likelihood ratio detection method was adopted to detect the targets.The feasibility of this method is verified by comparing it with the traditional MIMO radar and FDA radar system.

关 键 词：多路径效应 低空目标 FDA-MIMO雷达 广义似然比检测 

分 类 号：TN959.7[电子电信—信号与信息处理]