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.
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