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SAR回波信号模拟平台设计 被引量:4

Design of Simulation Platform for SAR Echo-wave Signal Based on Matlab
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摘要 快速有效地仿真SAR的原始回波信号是建立SAR仿真系统的一项关键问题。根据机载正侧视SAR系统的工作原理,深入分析了一种SAR回波信号模拟平台的系统结构,利用原始DEM数据构建了随机地表模型的电磁散射单元模型,由雷达电磁散射机理建立了自然地表目标的回波信号数学模型,完成了SAR回波信号仿真平台的设计,为研究SAR回波信号处理等相关领域提供了一个切实有效的人机交互的仿真环境。试验结果表明平台实验结果满足对SAR系统开发预估测试要求。 To simulate Synthetic aperture radar raw echo-wave signal fast and effectively has become the key for building a simulation system of SAR.According to the principle of side SAR system,the system structure of SAR echo-wave signal simulation is analyzed in detail.The raw DEM data is used to compute the cell scattering of random terrain targets.A math model of Synthetic aperture radar echo-wave signal is established by using the radar scattering theory.It provides an efficacious interaction simulation environment for researching SAR signal.Test results show that the simulation platform is effectual for prophase SAR system research and analysis.
出处 《计算机仿真》 CSCD 北大核心 2010年第1期338-341,共4页 Computer Simulation
基金 西北工业大学科技创新基金(2006CR11) 陕西省自然科学基础研究计划(2006F15)
关键词 回波信号 电磁散射 随机地表模型 Echo-wave signal Electromagnetic scattering Random terrain model
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参考文献9

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二级参考文献6

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