| 机载多通道天线SAR自适应杂波抑制 |
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| 引用本文： | 李春升,陈杰,周荫清.机载多通道天线SAR自适应杂波抑制[J].电子学报,2000,28(3):93-94. |
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| 作者姓名： | 李春升 陈杰 周荫清 |
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| 作者单位： | 北京航空航天大学电子工程系,北京 100083 |
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| 基金项目： | 国家 8 63计划资助课题 |
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| 摘 要： | 本文通过分析多通道天线SAR的空间几何关系,建立了完善的多通道天线SAR回波信号模型,提出了基于相控阵天线空域阵元混迭式结构形成多个接收通道天线的多通道天线SAR自适应杂波抑制方法和实现结构.理论分析和计算机仿真结果表明,利用多通道天线技术并结合时空二维自适应杂波抑制技术,可以在进行机载SAR成像中对慢速运动目标具有良好的检测性能.
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| 关 键 词： | 合成孔径雷达 时空二维自适应信号处理 杂波抑制 |
| 收稿时间： | 1998-12-10 |
Airborne Multi-channel Antenna SAR Adaptive Clutter Suppression |
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| LI Chun-sheng,CHEN Jie,ZHOU Yin-qing.Airborne Multi-channel Antenna SAR Adaptive Clutter Suppression[J].Acta Electronica Sinica,2000,28(3):93-94. |
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| Authors: | LI Chun-sheng CHEN Jie ZHOU Yin-qing |
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| Affiliation: | Dept.of Electronic Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100083,China |
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| Abstract: | On the basis of multiple channel antenna SAR geometry relation,a completed multi channel antenna synthetic aperture radar (SAR) echo signal model is built and the multi channel antenna SAR adaptive clutter suppression method and practical structure based on phased array antenna forming multiple receiving channel antenna using the spatial element repetition structure are presented in this paper.Conclusion can be drawn from theoretical analysis and computational simulation that it can achieve good low speed moving target detection performance in airborne SAR imaging by combining multiple channel antenna technology with spatial temporal adaptive clutter suppression technology. |
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| Keywords: | synthetic aperture radar spatial temporal adaptive signal processing clutter suppression |
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