浅析“动中通”在马拉松赛事中的技术保障与实践  

“Satellite Communication in Motion” Technical Support and Practice in Marathon Race

作　　者：孔冰[1] 王福铭[1] 

机构地区：[1]大连广播电视台播控中心,辽宁大连116029

出　　处：《电视技术》2015年第24期19-25,共7页Video Engineering

摘　　要："动中通"是移动卫星通信的简称。"动中通"在马拉松比赛的直播过程中起着非常重要的作用,在直播前期对"动中通"的运行路线、视音频信号的编码链路、卫星上行链路、天线伺服系统等各个环节都要进行全方位的测试与维护,总结出了一些行之有效的应对影响信号传输的技术方法,确保马拉松比赛直播信号优质安全地呈现在电视荧幕上。Satellite communication in motion is the abbreviation of mobile satellite communication. Satellite communication in mo- tion live in a marathon race plays a very important role in the process, in the early stage of live his running routes, the audio signal coding link, satellite uplink, antenna servo system and so on each link to a full range of testing and maintenance, summarizes some effective response to affect the signal transmission technology method, ensure the safety of marathon broadcast signal quality appears on the TV screen.

关 键 词：激光惯性导航技术 天线伺服转台技术 编码器 高功放 天线系统 卫星接收机 

分 类 号：TN949[电子电信—信号与信息处理]