多工器在广播电视调频发射系统中的应用  

Application of Multiplexer in Radio and Television FM Transmission System

作　　者：冯建通 FENG Jiantong(Handan News and Media Center,Handan 056011,China)

机构地区：[1]邯郸新闻传媒中心,河北邯郸056011

出　　处：《电视技术》2023年第9期85-87,共3页Video Engineering

摘　　要：多工器可同时传输多个信号,简化广播电视信号传输系统,实现多频共缆发射,拓展广播电视业务承载能力,被广泛应用于广播电视调频发射系统中,获得了良好的经济效益和社会效益。基于此,为提高广播电视调频发射系统中多工器的应用效果,阐述多工器运行原理,分析多工器应用时常见的问题,并提出相应的解决方法,结合实例阐述多工器的安装调试要点、运行维护要点,以期为广播电视调频发射系统中多工器的高效应用提供参考。Multiplexers are widely used in radio and television frequency modulation transmission systems due to their ability to transmit multiple signals simultaneously,simplifying the transmission system of radio and television signals,achieving multi frequency common cable transmission,and expanding the carrying capacity of radio and television services.They have achieved good economic and social benefits.Based on this,in order to improve the application effect of multiplexers in radio and television frequency modulation transmission systems,the operating principle of multiplexers is explained,common problems in the application of multiplexers are analyzed,and corresponding solutions are proposed.The key points of installation and debugging as well as operation and maintenance of multiplexers are explained with examples,in order to provide reference for the efficient application of multiplexers in radio and television frequency modulation transmission systems.

关 键 词：广播电视 调频发射系统 多工器 安装与调试 

分 类 号：TN934.2[电子电信—信号与信息处理]