引用本文: 赵逸超, 朱宇涛, 粟毅, 杨猛. 用于线阵三维SAR成像的二维快速ESPRIT算法[J]. 雷达学报, 2015, 4(5): 591-599. doi: 10.12000/JR15065
Zhao Yi-chao, Zhu Yu-tao, Su Yi, Yang Meng. Two-dimensional Fast ESPRIT Algorithm for Linear Array SAR Imaging[J]. Journal of Radars, 2015, 4(5): 591-599. doi: 10.12000/JR15065
 Citation: Zhao Yi-chao, Zhu Yu-tao, Su Yi, Yang Meng. Two-dimensional Fast ESPRIT Algorithm for Linear Array SAR Imaging[J]. Journal of Radars, 2015, 4(5): 591-599. doi: 10.12000/JR15065

## Two-dimensional Fast ESPRIT Algorithm for Linear Array SAR Imaging

Funds:

China Postdoctoral Science Foundation (2014M562647)

• 摘要: 线阵3维SAR系统可实现对地面场景的3维成像,是近年来研究的热点。但受载机平台和硬件条件的限制,其切航迹向和沿航迹向的分辨率难以提高。为了改善2维分辨率,该文提出了一种用于线阵3维SAR成像的2维快速ESPRIT算法,首先结合盖式圆方法和ESPRIT算法估计出点目标在切航迹向和沿航迹向位置,并通过该文改进的基于区域生长的2维位置配对方法替代最小二乘法快速求得目标散射系数,实现线阵2维SAR切航迹向和沿航迹向超分辨成像。该算法具有分辨精度高、运算速度快、实时性能好等优点。仿真实验证明了其有效性。

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##### 出版历程
• 收稿日期:  2015-05-27
• 修回日期:  2015-09-22
• 网络出版日期:  2015-10-28

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