卫星电视教育网络数字化建设  

Digital Construction on Satellite TV Educational Network

作　　者：林志程[1] 

机构地区：[1]湖南广播电视大学现代教育技术中心

出　　处：《湖南广播电视大学学报》2002年第4期23-25,共3页Journal of Hunan Radio and Television University

摘　　要：数字卫星电视与模拟卫星电视相比,有着极大的优势。它能传送多路电视、数据信号,还可宽带接入Internet网,实现交互式教学。随着《卫星电视教育网络改造工程》一期、二期工程的逐步完成,我国卫星教育节目传输方式将全面迈向数字时代。本文对数字卫星接收系统做了全面的介绍,并对Ku频段天线的安装,系统的调试做了详细的论述。Digital satellite television has more advantages than simulate satellite TV. It can transmit multi - channel signals of television and data, connect with Internet and realize teaching interactivity. The transmission way of our satellite educational programs is stepping into digital times with gradual completeness of the first and second projects in the reform project of satellite TV educational network , This article introduces the receiving system of digital satellite fully and illustrates the installation of Ku - wave antenna and adjustment of the system.

关 键 词：卫星电视教育网络 数字化建设 卫星数字电视 多媒体 IRD IP课件 VBI信息 远程教育 

分 类 号：G434[文化科学—教育学]