| 逆合成孔径雷达成像运动补偿自聚焦方法研究 |
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| 引用本文： | 郑学合.逆合成孔径雷达成像运动补偿自聚焦方法研究[J].现代防御技术,1999(3). |
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| 作者姓名： | 郑学合 |
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| 作者单位： | 航天工业总公司二院二部 |
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| 摘 要： | 讨论了逆合成孔径雷达（ＩＳＡＲ）成像运动补偿的途径，建立了动目标回波信号模型，在此基础上提出了利用图像熵和串导出值来估计目标的运动参数，以进行运动补偿。仿真证明这两种方法在目标运动相对平滑时能够实现最优成像。
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| 关 键 词： | ISAR成像，运动补偿，图像熵，串导出值 |
Auto Focusing Algorithms of Translation Motion Compensation for Inverse Synthetic Aperture Radar Imaging |
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| Zheng Xuehe.Auto Focusing Algorithms of Translation Motion Compensation for Inverse Synthetic Aperture Radar Imaging[J].Modern Defence Technology,1999(3). |
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| Authors: | Zheng Xuehe |
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| Institution: | The Second System Design Department of the Second Research Academy of China Aerospace Corporation Beijing\ 100854 |
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| Abstract: | The translation motion compensation methods for inverse synthetic aperture radar(ISAR)imaging were discussed and echo signal models for moving target were given On the basis of this,two algorithms of motion compensation were introduced,which could yield best focused imagery by seeking motion solution based on image entropy or burst derivative The results of simulation showed that they had better auto focus effect if target's motion is relatively smooth |
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| Keywords: | ISAR imaging Motion compensation Image entropy Burst derivative |
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