| 海上舰船目标的宽带雷达散射特征信号仿真 |
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| 引用本文： | 王勇,许小剑.海上舰船目标的宽带雷达散射特征信号仿真[J].航空学报,2009,30(2):337-342. |
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| 作者姓名： | 王勇 许小剑 |
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| 作者单位： | 北京航空航天大学,电子信息工程学院,北京,100191 |
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| 摘 要： | 提出一种将目标高频电磁（EM）散射计算多径回波模型与不同海况条件下粗糙海面前向复反射系数模型相结合的方法，对海上舰船目标宽带雷达回波进行仿真和分析。简要分析了目标-海面相互作用的多径回波模型，给出了目标体的电磁散射计算方法，研究了不同海况条件下海面前向复反射系数随频率和擦地角的变化特性，并通过仿真分析了海面对舰船目标雷达回波的影响。对比分析舰船目标体直接散射及在不同海况条件下考虑多径效应时的雷达散射截面（RCS）变化特性，并在不同海况条件下对目标进行二维逆合成孔径雷达（ISAR）成像仿真，验证了本文方法的有效性。
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| 关 键 词： | 海上目标 特征信号 雷达散射截面 多径效应 电磁散射 |
On Wideband Radar Signature Simulation of Ships over Sea Surface |
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| Wang Yong,Xu Xiaojian.On Wideband Radar Signature Simulation of Ships over Sea Surface[J].Acta Aeronautica et Astronautica Sinica,2009,30(2):337-342. |
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| Authors: | Wang Yong Xu Xiaojian |
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| Institution: | School of Electronic and Information Engineering;Beijing University of Aeronautics and Astronautics;Beijing 100191;China |
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| Abstract: | A technique is proposed for wideband electromagnetic(EM) scattering simulation and analysis of ships over sea surfaces by combining a multipath model with a forward complex reflecting coefficient model of rough sea surfaces in different states.The multipath interaction between the target and the sea surface is briefly analyzed.The method of target EM scattering calculation is discussed.A study is performed of the impact of different sea states on the sea surface complex reflection coefficient as well as the... |
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| Keywords: | target over sea surface signature radar cross section multipath effect electromagnetic scattering |
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