调频步进信号目标抽取快速算法研究
|
摘要
调频步进雷达是一种距离高分辨率的雷达体制,存在目标冗余的问题。目标抽取算法就是消除这种冗余,提取目标真实位置的方法。基于对现有目标抽取算法的分析,本文提出了一种适合工程应用的快速抽取算法。与传统方法相比,该方法不需要对起始采样点进行标定,也不需要拼接全程的距离像,减小了运算量。计算机仿真的结果验证了算法的有效性。
FM stepped-frequency radar is a radar system with high range resolution, but there is a target redundancy problem. Target extracting algorithms are used to remove redundancy and extract real target positions. Based on analyses of current target extracting algorithms, a fast algorithm for engineering application is proposed. The proposed algorithm neither calibrates the start sampling point, nor splices range profiles completely, reducing computation load. Effectiveness of the proposed algorithm is verified by simulation results.
FM stepped-frequency radar is a radar system with high range resolution, but there is a target redundancy problem. Target extracting algorithms are used to remove redundancy and extract real target positions. Based on analyses of current target extracting algorithms, a fast algorithm for engineering application is proposed. The proposed algorithm neither calibrates the start sampling point, nor splices range profiles completely, reducing computation load. Effectiveness of the proposed algorithm is verified by simulation results.
引文
[1] 李眈,龙腾.步进频率雷达目标去冗余算法[J].电子学报,2000,28(6):60-63.
[2] 贺志毅,郝祖全,朱淮城.步进跳频信号跳频间隔的选取分析[J].现代雷达,2003.25(8):23-25.
[3] 龙腾,李眈,吴琼之.频率步进雷达参数设计与目标抽取算法[J].系统工程与电子技术,2001,23(6):26-31.
[4] 丁海林,李亚超,高昭昭,等.线性调频步进信号的三种合成方法的对比与分析[J].火控雷达技术,2017,36(4):10-16.
[5] 穆雪华,刘峥.步进频率雷达目标距离像拼接技术研究[J].制导与引信,2003,28(6):6-12.
[2] 贺志毅,郝祖全,朱淮城.步进跳频信号跳频间隔的选取分析[J].现代雷达,2003.25(8):23-25.
[3] 龙腾,李眈,吴琼之.频率步进雷达参数设计与目标抽取算法[J].系统工程与电子技术,2001,23(6):26-31.
[4] 丁海林,李亚超,高昭昭,等.线性调频步进信号的三种合成方法的对比与分析[J].火控雷达技术,2017,36(4):10-16.
[5] 穆雪华,刘峥.步进频率雷达目标距离像拼接技术研究[J].制导与引信,2003,28(6):6-12.