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A geometric performance assessment of the EO-1 advanced land imager

机译:EO-1高级陆地成像仪的几何性能评估

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摘要

The Earth Observing 1 (EO-1) Advanced Land Imager (ALI) demonstrates technology applicable to a successor system to the Landsat Thematic Mapper series. A study of the geometric performance characteristics of the ALI was conducted under the auspices of the EO-1 Science Validation Team. This study evaluated ALI performance with respect to absolute pointing knowledge, focal plane sensor chip assembly alignment, and band-to-band registration for purposes of comparing this new technology to the heritage Landsat systems. On-orbit geometric calibration procedures were developed that allowed the generation of ALI geometrically corrected products that compare favorably with their Landsat 7 counterparts with respect to absolute geodetic accuracy, internal image geometry, and band registration.
机译:地球观测1(EO-1)高级陆地成像仪(ALI)演示了适用于Landsat专题测绘仪系列的后继系统的技术。在EO-1科学验证小组的主持下,对ALI的几何性能特征进行了研究。这项研究评估了ALI在绝对指向知识,焦平面传感器芯片组件对齐以及频段到频段配准方面的性能,目的是将该新技术与传统的Landsat系统进行比较。开发了在轨几何校准程序,该程序允许生成ALI几何校正产品,在绝对大地测量精度,内部图像几何和波段配准方面,与Landsat 7同类产品相比,它们具有优势。

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