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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >Spaceborne Demonstration of Distributed SAR Imaging With TerraSAR-X and TanDEM-X
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Spaceborne Demonstration of Distributed SAR Imaging With TerraSAR-X and TanDEM-X

机译:用TerraSAR-X和TanDEM-X进行分布式SAR成像的星空演示

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摘要

Multistatic or distributed satellite systems offer new and unique capabilities necessary for Earth observation with high spatial and temporal resolution. This letter describes a multistatic synthetic aperture radar (SAR) experiment employing the satellites TerraSAR-X and TanDEM-X. In order to demonstrate distributed SAR imaging from space, special data acquisitions with a dedicated geometry were performed. The data evaluation approach is outlined and azimuth profiles over a region with high-contrast backscatter are used to evaluate the azimuth signal reconstruction performance. The results are verified with simulations performed with a flexible SAR simulator reproducing the acquired scene. Finally, the effect of target motion on the reconstruction is analyzed and discussed based on the experimental data.
机译:多静态或分布式卫星系统提供了具有高时空分辨率的地球观测所必需的新的独特功能。这封信介绍了采用卫星TerraSAR-X和TanDEM-X的多静态合成孔径雷达(SAR)实验。为了演示来自空间的分布式SAR成像,执行了具有专用几何形状的特殊数据采集。概述了数据评估方法,并使用具有高对比度反向散射的区域上的方位剖面来评估方位信号重建性能。通过使用可再现所捕获场景的灵活SAR模拟器执行的模拟来验证结果。最后,基于实验数据分析并讨论了目标运动对重建的影响。

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