地面数字电视备用信号选择与实践  

Practice of DTMB Standby Signal Selection

作　　者：甘坤耀 Gan Kunyao(Zhangzhou Zhishan TV Translator Station, FuJian 363000, China)

机构地区：[1]漳州芝山转播台,福建363000

出　　处：《广播与电视技术》2019年第2期80-84,共5页Radio & TV Broadcast Engineering

摘　　要：中央广播电视节目无线数字化覆盖工程的全面实施推进,无线数字广播电视安播步入正轨。为解决中央电视节目信号源单一来自中星6A的问题,本文分析如何综合利用各种资源,建立地面数字电视备信号源系统,实现组网区域发射机具有主备信号源,确保整个地区地面数字电视的播出安全。With the comprehensive implementation of central radio and television programs’digital wireless coverage project,the safe broadcasting is on track now.To ensure the security of DTMB throughout the region,we shall make a comprehensive use of various resources to establish DTMB standby signal source system,which is implemented by a network transmitter with both main and standby signal sources,in order to solve the problem that the signal source of CCTV’s program is only from ChinaSat 6A.

关 键 词：异星备份 AVS+编转码 TS over IP技术 IP微波 

分 类 号：TN948.5[电子电信—信号与信息处理]