GPS控制段包括卫星指挥和控制、任务规划、协同管理、检测站以及地面天线。
The GPS control segment includes satellite command and control, mission planning, constellation management, monitoring stations, and ground antennas.
用FDTD研究了近地面天线的模拟计算问题，给出了天线的近场辐射性能。
The near field radiation of the antenna was analyzed by using FDTD method.
采用现有的GEO地面天线完全能够满足深空通信的要求，提高了系统的可靠性。
Existing GEO ground antenna's can meet the requirements of the deep space communication missions.
为了实现这一切的，你舒展的地面天线，装配它，然后得到它的方式支持自己的最好。
To accomplish all of this, you stretch the antenna on the ground, assemble it, then get it up to the support with your own best way.
为了实现这一切的，你舒展的地面天线，装配它，然后得到它的方式支持自己的最好。
To accomplish all of this, you stretch the antenna on the ground, assemble it, then get it up to the support with your own best way.
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