中波发射机天馈线网络系统改造  

Transformation of Medium Wave Transmitter Antenna Feeder Network System

作　　者：王建军 WANG Jianjun(Gansu Radio and Television Bureau 827 Station,Longxi 748100,China)

机构地区：[1]甘肃省广播电视局827台,甘肃陇西748100

出　　处：《中国有线电视》2020年第8期876-878,共3页China Digital Cable TV

摘　　要：国内大功率中波且建台较早的天馈线系统大多采用馈线式传输功率,存在一定的缺点以及安全方面的隐患,系统改造势在必行。主要简述甘肃省广播电视局827台某频率天馈线系统的改造过程。Most of the domestic high-power medium wave antenna and feeder systems built earlier adopt feeder type power transmission,which has certain shortcomings and security risks,so it is necessary to change the system.This paper mainly describes the transformation process of a certain frequency antenna feeder system in our station.

关 键 词：天馈线改造 射频电缆 天调网络 

分 类 号：TN81[电子电信—信息与通信工程]