| 机载SAR斜侧视成像的高效空变算法 |
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| 引用本文： | 代胜利,黄顺吉.机载SAR斜侧视成像的高效空变算法[J].电子科技大学学报(社会科学版),1996(3). |
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| 作者姓名： | 代胜利 黄顺吉 |
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| 作者单位： | 电子科技大学电子工程系 |
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| 基金项目： | 国家科委863高科技项目 |
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| 摘 要： | 针对机载合成孔径雷达ＳＡＲ斜侧视成像的二维处理特性，采用一种全聚焦的处理方法，它能方便地处理斜侧视ＳＡＲ参考函数的空间变化的特性，并提高计算效率。
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| 关 键 词： | 合成孔径雷达，斜侧视，成像，快速傅里叶交换，改变核快速傅里叶变换 |
The Imaging of Airborne Squint Mode Side-looking Strip Maping SAR Based on the MKFFT Algorithm |
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| Dai Shengli,Huang Shunji.The Imaging of Airborne Squint Mode Side-looking Strip Maping SAR Based on the MKFFT Algorithm[J].Journal of University of Electronic Science and Technology of China(Social Sciences Edition),1996(3). |
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| Authors: | Dai Shengli Huang Shunji |
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| Abstract: | This paper investigates the two-dimensional features of the strip imaging of the suint modeside-looking airborne SAR and the space-variance of the SAN system transfer fundion which is due to thefocus depth variation and the squint angle. It introduces aprocedure for efficient space- variancecompensation which is based on the use of a modified kernel FFT (MKFFT) algorithm. It is a fully focusedprocedure to squint mode side-looking SAR imaging. And it has high computational efficienty. It is notedthat the procedure can be easily accommodated to include squint aberration correction. The computersimulation results confirm the procedure to squint mode SAR imaging. |
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| Keywords: | synthetic aperture radar squint side-looking imeging fast Fourier transfer modified kernel fast Fourier transfer |
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