| 基于运动补偿的机载大斜视SAR成像算法 |
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| 引用本文： | 张华,胡学成. 基于运动补偿的机载大斜视SAR成像算法[J]. 火控雷达技术, 2006, 35(2): 20-23,33 |
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| 作者姓名： | 张华 胡学成 |
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| 作者单位： | 南京电子技术研究所,南京,210013 |
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| 摘 要： | 根据机载大斜视SAR信号的特点,研究了具有很强工程实用性的两维可分离大斜视SAR成像算法,分析了因速度不稳对大斜视SAR成像的影响,并给出了运动补偿算法.实测数据成像结果证明了该算法适合大斜视成像.
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| 关 键 词： | 机载大斜视SAR 距离走动 多普勒参数估计 运动补偿 |
| 文章编号： | 1008-8652（2006）02-020-004 |
| 收稿时间： | 2005-07-08 |
| 修稿时间： | 2005-07-08 |
An Imaging Method of High Squint Airborne SAR Based on Motion Compensation |
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| Zhang Hua,Hu Xuecheng. An Imaging Method of High Squint Airborne SAR Based on Motion Compensation[J]. Fire Control Radar Technology, 2006, 35(2): 20-23,33 |
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| Authors: | Zhang Hua Hu Xuecheng |
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| Affiliation: | Nanjing Research Institute of Electronics Technology, Nanjing 210013 |
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| Abstract: | This paper studies the separable algorithm in range and azimuth that is highly valuable in engineering according to the characteristics of signal echoes, and analyzes the effects of instable velocity on high squint airborne SAR algorithm. Then motion compensations are perfectly combined with this separable algorithm. Finally the measured data of the airborne high SAR verifies the algorithm. |
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| Keywords: | airborne SAR in high squint mode range walk Doppler parameter estimation motion compensation |
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