Alsat-1成像仪飞行中地面采样距离估计

2017 8th International Conference on Recent Advances in Space Technologies (RAST) Pub Date : 2017-06-01 DOI:10.1109/RAST.2017.8002967

K. Benahmed, A. Rachedi, I. Taleb

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摘要

本文介绍了Alsat-1 Slim-6成像仪飞行中地面采样距离(GSD)的估计。有几种方法来评估成像仪的GSD，基于自然和/或人工目标(几何形状)。我们使用了一颗高分辨率卫星的图像作为参考图像。该方法基于Alsat-1图像与参考图像之间的误差最小化。结果表明，估计的GSD是稳定的，与成像仪的预期性能是一致的。

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In-flight ground sampling distance estimation of Alsat-1 imager

This article presents the in-flight ground sampling distance (GSD) estimation of the Alsat-1 Slim-6 imager. There are several methods to evaluate the imager GSD, based on natural and/or artificial targets (geometric shapes). We used an image from a higher resolution satellite which was considered as a reference image. This method is based on the error minimization between the two images: Alsat-1 and the reference image. The results showed a stability of the estimated GSD and a consistency with the expected performance of the imager.

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2017 8th International Conference on Recent Advances in Space Technologies (RAST)

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