分布式MIMO雷达目标散射模型研究

发布时间：2018-06-14 17:42

本文选题：多输入多输出雷达 + 分布式雷达　；参考：《现代雷达》2017年04期

【摘要】：针对当前分布式多输入多输出(MIMO)雷达目标散射模型的不足,提出了一种三维特体目标模型;在考虑点散射体电磁散射的方向性、遮蔽及收发天线方位角、俯仰角等因素的条件下,推导了目标静态雷达截面积(RCS)的计算公式和MIMO雷达信道的相关函数;同时,仿真分析了目标动态RCS的统计模型及其与收发天线双基地角的关系,以及MIMO雷达信道空间去相关的条件。仿真分析结果与RCS的经典统计模型、双基地RCS的经验结论以及单基地雷达回波信号去相关角度的经验值是吻合的,证实了模型的科学性和合理性。研究结果对分布式MIMO雷达的检测、跟踪和系统配置等研究具有参考价值。
[Abstract]:In view of the deficiency of the current distributed multi-input multi-output MIMO-radar target scattering model, a three-dimensional target model is proposed, which considers the directivity of electromagnetic scattering, the azimuth of shadowing and transceiver antenna. Under the condition of pitch angle, the formula of static radar cross section (RCSs) and the correlation function of MIMO radar channel are derived, and the statistical model of dynamic RCS of target and the relation between RCS and bistatic angle of antenna are simulated and analyzed. And MIMO radar channel spatial de-correlation conditions. The simulation results are in good agreement with the classical statistical model of RCS, the empirical results of bistatic RCS and the empirical value of the de-correlation angle of the echo signal of mono-static radar, which proves that the model is scientific and reasonable. The results are valuable for detection, tracking and system configuration of distributed MIMO radar.
【作者单位】：空军预警学院陆基预警装备系;
【基金】：国家自然科学基金资助项目(61401504) 中国博士后科学基金资助课题(2014M56562)
【分类号】：TN957.51

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