转发式卫星导航通信系统的卫星通信链路计算
首发时间:2011-01-11
摘要:中国区域卫星定位系统(CAPS)是基于转发式卫星的导航通信一体化系统,在其卫星通信网络中,如何将有限的带宽更好的进行利用和链路计算,是重点也是难点,这关乎到设备和卫星带宽的使用效率。本文从实例出发,详细的介绍CAPS卫星通信网络的链路计算要点和注意事项,并给出了工程上的测量方法。本文中提到的卫星转发器为C波段,定义卫星链路上行中心频率为6.25Ghz,下行中心频率为4.025Ghz.
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Satellite Communication Link Calculation of Transmitting Satellite Navigation and Communication System
Abstract:The China Area Positioning System (CAPS) is a satellite-based navigation and communication transmitting integrated system,in the satellite communications network,how to better carry out using of the limited bandwidth and link budget,which is focus and difficult,it is about to equipment and satellite bandwidth calculate。 This departure from the example,described in detail the link calculate CAPS satellite communications network and matters need attention,and gives engineering methods of measurement。Mentioned in this article for the C-band satellite transponder,the definition of the satellite uplink center frequency link 6.25Ghz,downlink center frequency 4.025Ghz.
Keywords: Satellite communication CAPS transponding satellite navigation Link calculate
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