原子频标是空间技术和授时系统的频率与时间基准，直接决定了卫星通信的质量。
Atomic frequency Standard is the frequency and time benchmark of space technology and time awarding system, directly determining the quality of satellite communications.
研究了用于低轨卫星通信的直接序列扩频系统的码捕获技术。
It is studied that the code acquisition technology of direct sequence spread spectrum system in LEO satellite communication.
分析了将移动IP技术应用于星座卫星通信系统的优势及直接使用的缺陷，指出引入相关扩展技术的必要性。
This paper first analyses the benefits and shortages of immediately using Mobile IP into a constellation satellite communication and then points out that using its spreading technology is necessary.
因为它直接通过远离我们的卫星通信，因而甚至可以说因特网已经比地球还大了。
Because it is in direct communication with satellites far above us, it could even be said that the Internet is already bigger than the Earth.
卫星天线伺服控制系统是整个PAT系统的核心部件，直接关系到整个卫星通信任务能否顺利完成。
The antenna servo control system of the satellite is the key part of the entire PAT system, and directly relating to the successful accomplishment of the whole satellite communication task.
终端位置更新速率又是卫星通信系统终端位置管理的重要指标，直接影响到海上卫星移动通信系统的性能。
Terminal location update rate (LUR) is a very important index of Marine satellite mobile communication system, which affects the performance of whole system violently.
而第六家服务商中国卫星通信由中国电信直接接管。
A sixth operator, China Satcom, will be taken over by China Telecom.
而第六家服务商中国卫星通信由中国电信直接接管。
A sixth operator, China Satcom, will be taken over by China Telecom.
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