| 外辐射源雷达高速加速微弱目标检测研究 |
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| 引用本文： | 杨金禄,单涛,陶然.外辐射源雷达高速加速微弱目标检测研究[J].现代雷达,2011,33(5). |
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| 作者姓名： | 杨金禄 单涛 陶然 |
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| 作者单位： | 北京理工大学信息与电子学院,北京,100081 |
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| 基金项目： | 国家自然科学基金杰出青年基金，国防基础预研项目，武器装备预研基金 |
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| 摘 要： | 针对以模拟电视伴音信号为照射源的外辐射源雷达对高速加速运动微弱目标的探测问题,提出了将长时间相参积累和长时间非相参积累相结合的积累思想,以及一种基于短时分数阶傅里叶变换和动态规划的检测方法.从高速加速运动目标在外辐射源雷达中的回波模型人手,推导出了该算法的原理和实现过程,分析了算法的虚警概率和检测概率,并给出了仿真结果.分析和仿真结果均表明此算法对高速加速运动的微弱目标具有较好的检测性能.
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| 关 键 词： | 分数阶傅里叶变换 动态规划 微弱目标检测 |
A Study on External Illuminating Radar Detection of Weak Targets with a High Speed and Acceleration |
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| YANG Jin-lu,SHAN Tao,TAO Ran.A Study on External Illuminating Radar Detection of Weak Targets with a High Speed and Acceleration[J].Modern Radar,2011,33(5). |
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| Authors: | YANG Jin-lu SHAN Tao TAO Ran |
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| Affiliation: | YANG Jin-lu,SHAN Tao,TAO Ran(School of Information and Electronics,Beijing Institute of Technology,Beijing 100081,China) |
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| Abstract: | Aiming at using the external illuminating radar with the analog TV radio signal to detect a target with a high speed and acceleration,we adopt a new idea which is combining the long-term coherent integration and the long-term noncoherent integration,and present a detection method based on the Short Time Fractional Fourier Transform(STFRFT) and Dynamic Programming(DP).Based on the return signal model of target with a high speed and acceleration,we derive the principle and procedure,and then analyze the false... |
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| Keywords: | fractional Fourier transform dynamic programming weak target detection |
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