可远程控制的单个调频发射机多频点备份系统设计与应用  

Design and Application of a Multi-frequency Backup System for Remotecontrolled Single FM Transmitter

作　　者：杨健 Yang Jian(Dali Radio,Television and Network Audio-visual Business Development Center,Yunnan 671000,China)

机构地区：[1]大理州广播电视和网络视听事业发展中心,云南671000

出　　处：《广播与电视技术》2024年第12期95-99,共5页Radio & TV Broadcast Engineering

摘　　要：本文针对高山无线发射台的安全播出需求,提出一种可远程控制的单个调频发射机多频点备份解决方案,在一台调频广播发射机功放、一套天线的基础上配置4台立体声调频广播激励器,实现单个调频发射机对4套调频广播节目播出备份,备份发射设备播出内容、频率可远程(本地)控制,提高了安全播出保障水平。Based on the actual need to ensure safe broadcasting at high-altitude wireless transmission stations,a solution for remote control of multi-frequency backup for a single FM transmitter is proposed.By configuring four stereo FM broadcast exciters on the basis of one FM broadcast transmitter power amplifier and one set of antennas,the solution enables the backup broadcast of four FM broadcast programs using a single FM transmitter.The content and frequency of the backup transmission equipment can be remotely(locally)controlled,thereby enhancing the level of safety in broadcast assurance.

关 键 词：无线发射台 调频发射 备份 安全播出 切换 

分 类 号：TN934.2[电子电信—信号与信息处理]