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法国第一颗地球资源卫星“斯波特”(Spot-1)与瑞典“海盗”卫星一起于1986年2月21日使用“阿里安-1”火箭从法属圭亚那发射场发射成功。在进入832公里高的太阳同步轨道仅两天,Spot-1就拍摄了首批地球照片(封三左图)。照片质量超过预想的程度,多光谱照片的分辨率为20米,全色照片的分辨率为10米。这是第一颗提供如此高分辨率照片的民用卫星。目前,甚至在美国都尚未有与其相当的民用遥感卫星。Spot-1还是世界上第一颗能进行立体摄影的卫星,可以绘制立体图,精度很高。在进行约2个月的轨道调整及校准
France’s first earth resource satellite “Spot-1” was successfully launched from the French Guiana launch site on February 21, 1986, along with the Swedish “pirate” satellite using the “Arian-1” rocket. Just two days into the 832-kilometer solar-synchronous orbit, Spot-1 shot the first Earth photos (captions left). Photo quality exceeds expectations, multispectral photo resolution of 20 meters, and full-color photo resolution of 10 meters. This is the first civilian satellite to provide such a high-resolution photo. So far, no comparable remote sensing satellite has been available in the United States. Spot-1 is also the world’s first satellite capable of stereo photography, can draw a perspective view, high accuracy. About 2 months of orbit adjustment and calibration