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卫星和飞船的发射和运行过程,是航天系统的一个重要组成部分,所以对卫星和飞船的全程跟踪测控显得极为重要。怎样在测控站数最少的情况下,对卫星和飞船进行全程跟踪测控(每个测控站的测控范围只考虑与地平面夹角3°以上的区域)已成为一个重要的问题。以神舟七号飞船的相关资料和测控站点的分布信息为依据,计算出卫星运行一圈所需测控站数目、卫星运行区域的面积,一个测控站的测控范围。
The launch and operation of satellites and spacecraft are an important part of aerospace systems. Therefore, it is extremely important to track and control the satellites and spacecraft. It is an important issue how to track and control the satellites and the spacecraft with a minimum number of monitoring and control stations (the measurement and control range of each monitoring and control station only accounts for an area of more than 3 ° to the ground plane). Based on the relevant information of Shenzhou VII spacecraft and the distribution information of the monitoring and control stations, the number of stations required for satellite operation, the area of the satellite operation area and the measurement and control range of a monitoring and control station are calculated.