摘要
直播卫星备份星中星9A已经成功定点于东经101.4度,将与中星9号卫星形成异轨热备份。本文介绍了中星9A的频率、轨位和业务覆盖情况,研究了中星9A卫星使用的卫星网络的频率轨位协调,并介绍分析了完成协调的技术手段。
ChinaSat 9A a backup satellite of DBS has been successfully located at 101.4 degrees east longitude. It becomes a hot backup in different orbits for DBS. This paper introduces the frequency, orbit and service of ChinaSat 9A. It studies the frequency coordination of the satellite network and analyzes the technical approach used in the coordination.
出处
《广播与电视技术》
2017年第9期113-118,共6页
Radio & TV Broadcast Engineering
关键词
直播卫星
热备份
频率配置
轨位选择
南海覆盖
卫星网络协调
DBS, Hot backup, Frequency configuration, Orbital position, The South China Sea, Satellite network coordination
