中国有线电视
中國有線電視
중국유선전시
CHINA CABLE TELEVISION
2014年
10期
1155-1157,1158
,共4页
DVB平台%复用器%核心交换机%调制器
DVB平檯%複用器%覈心交換機%調製器
DVB평태%복용기%핵심교환궤%조제기
DVB platform%multiplexers%core switches%modulators
近几年全国省、市广电局和广播电视网络公司已经搭建完成数字电视平台,使有线网络得到很大发展。随着高清数字电视的发展,需要对原有标清DVB平台进行升级,搭建数字电视高清DVB平台,以适应电视节目新的需求。结合建设实例,介绍基于哈雷的相关设备、高清DVB平台的前端设备和系统的选型与设计思路,阐述了标高清组合平台的设计和实施方案,总结了组合平台的主要技术特点和运行概况。
近幾年全國省、市廣電跼和廣播電視網絡公司已經搭建完成數字電視平檯,使有線網絡得到很大髮展。隨著高清數字電視的髮展,需要對原有標清DVB平檯進行升級,搭建數字電視高清DVB平檯,以適應電視節目新的需求。結閤建設實例,介紹基于哈雷的相關設備、高清DVB平檯的前耑設備和繫統的選型與設計思路,闡述瞭標高清組閤平檯的設計和實施方案,總結瞭組閤平檯的主要技術特點和運行概況。
근궤년전국성、시엄전국화엄파전시망락공사이경탑건완성수자전시평태,사유선망락득도흔대발전。수착고청수자전시적발전,수요대원유표청DVB평태진행승급,탑건수자전시고청DVB평태,이괄응전시절목신적수구。결합건설실례,개소기우합뢰적상관설비、고청DVB평태적전단설비화계통적선형여설계사로,천술료표고청조합평태적설계화실시방안,총결료조합평태적주요기술특점화운행개황。
With the country in recent years,provincial,municipal Radio and TV and radio and television net-work companies have to build complete digital TV platform that enables cable network has been a great devel-opment.With high-definition digital television development,the need for the original SD DVB digital TV plat-form to upgrade HD DVB platform built to meet the new demands of television programs.In this paper,the con-struction of which instance,focuses on Harley-related equipment based on the front-end equipment and sys-tems HD DVB platform selection and design ideas.Describes a combination of standard-definition platform design ideas and implement programs and objective summary of the main technical characteristics and opera-tional overview combinations platform.