对于卫星通信(VSTV),有线电视(CATV),卫星电视(SATV)等系统,其卫星天线一般安装在建筑物天面,如卫星天线未在建筑物防直击雷避雷针,带的保护范围之内,...
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这对于卫星通信电子对抗试验中的干扰效果评价体系的建立具有重要意义。
This is significant for establishment of jamming efficiency evaluation system in the satellite communication countermeasure experiment.
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。
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.
卫星通信系统通常需要将多种业务通过若干频道广播给用户，合理的业务调度方案对于系统效率具有重要意义。
Satellite communication systems usually broadcast a range of traffic to various clients through several channels, thus a reasonable traffic scheduling scheme is important to the system's efficiency.
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