基于ARM Linux的地面数字电视发射机主备切换控制器设计  

Design of Main and Standby Switching Controller for DTMB Transmitter Based on ARM Linux

作　　者：黄军飞[1] 覃晖[1] Huang Junfei;Qin Hui(Guangxi Radio and Television Broadcast Technology Center,Guangxi 530022,China)

机构地区：[1]广西广播电视技术中心,广西530022

出　　处：《广播与电视技术》2021年第9期98-101,共4页Radio & TV Broadcast Engineering

摘　　要：发射机系统是广播电视无线发射台站最重要的系统,发射机系统工作的可靠性对安全播出的保障起到重要的作用。本文描述了一种基于ARM Linux架构的地面数字电视发射机主备切换控制器的设计,该控制器可兼容市面上绝大多数地面数字电视发射机,具备多种开关机控制方式,实现数字电视发射机1+1备份系统的自动开关机、主备机自动冗余备份工作,为广播电视的安全播出提供了重要的保障作用。Transmitter system is the most important system for radio and television transmitting station.The reliability of transmitter system plays an important role in the guarantee of safe broadcasting.This paper describes the design of a main and standby switching controller for DTMB transmitter based on Arm Linux architecture.The controller is compatible with common DTMB transmitters and has a variety of on-off control modes to realize automatic on-off and redundancy backup of 1 plus 1 backup system of DTMB transmitter.It provides an important guarantee for safe broadcast of radio and television.

关 键 词：数字电视发射机 ARM LINUX 主备机 控制器 

分 类 号：TN934[电子电信—信号与信息处理] TM72[电子电信—信息与通信工程]