LEO satellite communication system has the properties of larger power dynamic range, larger and faster changed doppler frequency shift and rapid fluctuation compared to ordinary communication system.
相对于一般的通信系统而言，低轨卫星通信系统具有信号动态范围大，多普勒频移大且变化速度快，信道起伏剧烈等特点。
This paper first discusses the mission and property of a returnable satellite, then presents the design method of electrical power system.
文章首先讨论返回式卫星的任务和特点，然后给出供配电系统的设计方法。
This paper introduce a method that industry control computer controls power amplifier in the satellite earth station, and expound the structure of the hardware and software of the control system.
介绍了用工业控制计算机控制卫星地面站功率放大器的一种方法，阐述了控制系统的硬件和软件基本组成。
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