现代雷达2023，Vol.45Issue(12)：109-115,7.DOI:10.16592/j.cnki.1004-7859.2023.12.016
基于快时间反转变换的雷达目标检测算法
A Radar Target Detection Algorithm Based on Fast-time Reversing Transform
周瑞岩 1王春蕾 2周传睿2
作者信息
- 1. 解放军91404部队,河北秦皇岛 066000
- 2. 南京电子技术研究所,江苏南京 210039
- 折叠
摘要
Abstract
Random pulse repetition interval radars,which possess good anti-jamming abilities,can be utilized for detecting high-speed maneuvering target in electromagnetic interference environments.However,this problem has not been sufficiently studied yet.The difficulties of this problem mainly lay in range migration,Doppler frequency migration,and non-uniform sampling pulses.To tackle this problem,a novel target detection algorithm with the advantage of low computational complexity is proposed in this pa-per.In the proposed algorithm,fast-time reversing transform is first applied to correct range migration,and then non-uniform phase compensation technique is utilized to overcome non-uniform sampling pulses and to estimate the motion parameters of the target,thus yielding both elimination of Doppler frequency migration and coherent integration of target energy.After the two steps,the Constant False Alarm Rate(CFAR)detection method is employed to achieve target detection.Finally,the computational complex-ity of the proposed algorithm is evaluated via theoretical analyses,and simulation results illustrate the effectiveness and low compu-tational complexity of the proposed algorithm.关键词
随机脉冲重复间隔雷达/距离徙动/多普勒频率徙动/快时间反转变换Key words
random pulse repetition interval radar/range migration/Doppler frequency migration/fast-time reversing transform分类
信息技术与安全科学引用本文复制引用
周瑞岩,王春蕾,周传睿..基于快时间反转变换的雷达目标检测算法[J].现代雷达,2023,45(12):109-115,7.
