广播电视发射台站双馈智能切换系统设计  

Design of Dual-feed Intelligent Switching System for Radio and Television Transmitting Station

作　　者：闭涛[1] 唐丽[1] 韦于倩 Bi Tao;Tang Li;Wei Yuqian(Guangxi Radio and Television 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8期112-115,共4页Radio & TV Broadcast Engineering

摘　　要：针对广播电视双馈系统无法短时间内快速判断故障并进行切换的问题,本文设计了一种带检测告警功能的广播电视发射台站双馈智能切换系统,介绍了该系统的总体方案、设计思路及工作原理。该系统可快速判断两副天线的工作状态,实现双馈系统的自动切换,不间断且高质量的将信号传送出去,为广播电视安全播出提供有力保障。To solve the problem that radio and television dual-feed system cannot quickly judge faults and switch in a short time,this paper designs a dual-feed intelligent switching system for radio and television transmitting station with detection and alarm function.This paper introduces overall scheme,design idea and working principle of the system.The system can quickly judge working state of two antennas,realize automatic switching of dual-feed system,transmit signals without interruption and with high quality,and provide a strong guarantee for safe broadcast of radio and television.

关 键 词：双馈系统 功率检测 切换 广播电视 

分 类 号：TN934.81[电子电信—信号与信息处理]