摘要
首先介绍了我国广播电视传输覆盖网络的现状,在此基础上,从有线电视和无线电视的发展趋势两个方面论述了我国广播电视传输覆盖新技术体系的架构及其关键技术,并给出了未来我国广播电视公共服务发展的基本思路。截至目前,我国已经初步形成了有线电视覆盖城市、无线电视(含地面和卫星)覆盖农村的广播电视公共服务体系格局。
The current situation of television transmission and coverage network broadcasting is introduced firstly. From two aspects of cable television and wireless trends, radio and television transmission coverage architecture and key technologies of new technology system are discussed, and the development thought of radio and television public service in future is given. At present, the pattern of radio and television public service system that the cable television covers urban areas, and the wireless TV （terrestrial and satellite） covers rural areas is initially formed in China.
出处
《电视技术》
北大核心
2014年第17期18-21,共4页
Video Engineering
关键词
传输覆盖
广播电视公共服务
地面数字电视
直播卫星
协同覆盖
transmission and coverage
radio and television public service
terrestrial digital TV
direct broadcasting satellite
collaborative coverage
