摘要
生活在高度发达的信息社会,每天都会接触到各种各样的推送信息。推送信息为用户节省了大量的搜索时间,丰富了资讯,带来了便利。简要介绍了信息推送的基本概念和重要作用,详细介绍了广州28频道地面数字电视信息推送系统的前端子系统、广播传输子系统和接收终端等各个组成部分,并对信息推送搭建工作做了总结。
Living in highly developed information society,we are exposed to a variety of push messages every day. Push information for users can save a lot of searching time,enrich the information,and bring us convenience. In this paper,the basic concepts of information and important role is briefly introduced. Guangzhou channel 28 digital terrestrial television information push system is introduced including the terminal system,radio communication system,receiving terminal and other parts. The building work of information push system is summarized.
出处
《电视技术》
北大核心
2017年第7期15-18,共4页
Video Engineering
关键词
信息推送
地面数字电视
广播传输
回传通道
information push
terrestrial digital TV
broadcast transmission
return channel
