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中文摘要：
选择适宜空间分辨率的遥感影像来达到地图成图的精确度并且最大程度反映地物的信息是卫星遥感制图需要解决的一个重要问题。本文重点分析了地图比例尺与遥感影像空间分辨率的关系，指出在选择制图影像空间分辨率时需要考虑两个因素，一是地图的成图比例尺，二是最小地物的尺度，提出了估算最佳影像空间分辨率的公式R={（L×M）／2-Rmin}，并通过实例验证了该公式的可行性。
英文摘要：
It is important to solve the problem of how to select proper images to meet desire for high precision and reflect information of the object most completely. This paper pays attention to analyzing the relation between the scale and the spatial resolution of the RS images, then makes out that we should take two factors as follow into account when we choose the image spatial resolution for cartography , one is the scale for cartography, another is the scale of the minimized object, the relation achived is R = ｜ L × M - Rmin ｜ And then, we made a example to validate the feasibility of this method.
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