广播电视卫星地球站下行接收系统改造方案设计  

Design of Transformation Scheme for Downlink Receiving System of Radio and Television Satellite Earth Station

作　　者：杨墨 王玮 Yang Mo;Wang Wei(The Broadcasting Control Center of Hunan Radio,Film and Television Group Co.,Ltd.,Hunan 410005,China)

机构地区：[1]湖南广播影视集团有限公司播控中心,湖南410005

出　　处：《广播与电视技术》2022年第9期118-123,共6页Radio & TV Broadcast Engineering

摘　　要：本文通过分析广播电视卫星地球站原有下行接收系统存在的缺陷,阐述了对系统升级改造的必要性,从线路设计、系统施工、系统测试等多个方面对系统的升级改造进行了介绍。By analyzing the defects of the original downlink receiving system of Hunan earth station,this paper expounds the necessity of system upgrading,and introduces the process of system upgrading from the aspects of line design,system construction,system testing and so on.

关 键 词：卫星地球站 电视卫星接收系统 L波段矩阵 

分 类 号：TN943[电子电信—信号与信息处理]