satellite orbital prediction 卫星轨道预报
Satellite orbital prediction technology is a key technology for satellite communication and satellite recovery.
卫星轨道预报技术是与卫星通信及卫星回收的关键技术。
Database is used to manage the satellites and position of observers. This platform is applied for ground test and analysis of orbital prediction.
该平台可用于卫星轨道预报的地面测试及分析，应用数据库技术进行卫星及观察站点的管理。
A satellite prediction calculated from orbital data more than a few weeks old will generally be virtually meaningless.
其实，通过轨道数据计算出来的卫星轨迹，要比通过几周前的数据计算所得更不准确。
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