| 星载SAR滑动聚束模式研究 |
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| 引用本文： | 蒋为,李敏慧.星载SAR滑动聚束模式研究[J].现代雷达,2011,33(3). |
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| 作者姓名： | 蒋为 李敏慧 |
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| 作者单位： | 南京电子技术研究所,南京,210039 |
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| 摘 要： | 比较了星载SAR滑动模式与传统聚束模式的不同特点,研究了滑动聚束模式的相关系统指标,特别是天线方位扫描角,给出了该模式的实现方式,对方位多普勒解模糊、天线方位扫描角的要求和转动中心位置的确定进行了分析与仿真,并给出了相应的仿真结果。仿真结果可直接应用于高分辨率星载SAR系统设计。
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| 关 键 词： | 高分辨率 滑动聚束模式 方位扫描角 观测带宽 |
A Study on Sliding Spotlight Mode of Spaceborne SAR System |
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| JIANG Wei,LI Min-hui.A Study on Sliding Spotlight Mode of Spaceborne SAR System[J].Modern Radar,2011,33(3). |
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| Authors: | JIANG Wei LI Min-hui |
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| Affiliation: | JIANG Wei,LI Min-hui (Nanjing Research Institute of Electronics Technology,Nanjing 210039,China) |
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| Abstract: | In the paper,different characteristics are provided between spotlight mode and sliding spotlight mode of spaceborne SAR by comparison.The system indexes of sliding spotlight mode are studied,especially antenna azimuth steering angle.At the same time,The realization method of the mode is presented,azimuth Doppler de-ambiguity,the requirement of azimuth steering angle,rotation center are analyzed respectively and the simulation results are given.The simulation results are applied to high resolution spaceborne... |
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| Keywords: | high resolution sliding spotlight mode azimuth steering angle swath |
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