Multi-beam antenna is a key technology in the satellite mobile communication system.
多波束天线技术是卫星移动通信系统中的关键技术之一。
It is studied that the code acquisition technology of direct sequence spread spectrum system in LEO satellite communication.
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 describes the design thought on airborne satellite communication system and the technology to improve communication link margin, taking the SATCOM system airborne communication for example.
本文以SATCOM系统机载通信为例，介绍了机载卫星通信系统的设计思想，以及提高通信链路容限所采用的技术。
This paper introduces the short message communication technology of the Beidou satellite navigation guiding and positioning system.
介绍了北斗卫星导航定位系统的简短通信技术。
When designing a special type small satellite (STSS) communication system with spread-spectrum technology, the fading and the interference must be considered carefully.
对于特种小卫星扩频通信系统，衰落及干扰状况是系统设计时必须考虑的重要方面。
There are a lot of key technologies in the design of Inter-satellite communication system, such as orbit design, communication protocol, processing technology, acquisition and tracking technology.
星间通信系统的设计包含很多关键性的技术，如通信协议、星上处理技术和跟踪捕获技术等。
With the development of the communication and space technology, military satellite becomes more and more important in the operational system based on information supporting.
通过分析导航定位卫星的信息支援任务集合 ，建立了相应的效能评价指标体系 ； 采用定性与定量相结合的方式研究效能评估方法。
With the development of the communication and space technology, military satellite becomes more and more important in the operational system based on information supporting.
通过分析导航定位卫星的信息支援任务集合 ，建立了相应的效能评价指标体系 ； 采用定性与定量相结合的方式研究效能评估方法。
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