摘要
天馈系统是地面数字电视系统的重要部分,也是确保实际覆盖效果的关键组成,设计时需要考虑到大量的技术细节问题。本文以安徽省中央广播电视节目无线数字化覆盖工程各地的实施情况为例,探讨了天馈系统的功能要求、实现形式、优化措施等几方面的问题,并给出典型的解决方案。
Antenna and feeder system is an important part of digital television terrestrial multimedia broadcasting system, it is also key components to ensure actual coverage effect. There are a number of details to be considered in the design process. Illustrated by examples of implementation of central radio and television programs digital wireless coverage project around Anhui province, function requirements, realization forms, optimization measures and other issues of antenna and feeder system are discussed and several typical solutions are given in this paper.
作者
王麟
曹志
WANG Lin CAO Zhi(Anhui Radio and TV Station, Anhui 230071, China Academy of Broadcasting Planning, SAPPRFT, Bejing 100866, China)
出处
《广播与电视技术》
2017年第1期39-45,共7页
Radio & TV Broadcast Engineering
关键词
中央广播电视节目无线数字化覆盖工程
地面数字电视
天馈系统
Central Radio and Television Programs Digital Wireless Coverage Project, DTTV, Antenna and feeder system