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自印度1979年6月由苏联发射的第一颗实验性地球观测卫星“巴斯卡拉-1”进入太阳同步轨道以后,尽管星上两台电视摄象机初期有些故障,也能勉强对地面拍照,但经地面指令在1980年2月后又恢复正常,到1980年8月星上观测仪器仍在正常工作。约一个月时间,卫星就向地面发送了整个印度的地面资源照片,尤其是图象质量已达到了迄今世界上其他国家的气象卫星所拍的照片水平。对森业、云量、积雪提供了有用的资料。星上另一台微波辐射计一直工作
Since India’s first experimental Earth observation satellite “Pascal-1” launched by the Soviet Union in June 1979 entered the sun’s orbit, despite the initial failure of the two television cameras on the satellite, they can barely photograph the ground , But the ground order returned to normal after February 1980 and by August 1980 the satellite was still functioning normally. About a month later, the satellite sent ground-level photos of the entire Indian land to the ground, especially as the image quality has reached the level of photos taken by meteorological satellites of other countries in the world so far. The forestry, cloudiness, snow provided a useful information. Another microwave radiometer on the planet has been working