地面数字电视调频广播发射机在高山发射台的应用实践  

The Application Practice of Ground Digital Television FM Broadcasting Transmitters in High Mountain Transmission Station

作　　者：杨林芳 YANG Linfang(Yunnan provincial Radio and Television Bureau Xiaguan 653 Station,Dali 671000,China)

机构地区：[1]云南省广播电视局下关653台,云南大理671000

出　　处：《电视技术》2024年第8期108-110,117,共4页Video Engineering

摘　　要：目前,全国各地的广播电视台站均在全力构建以数字化为主要特征的地面传输覆盖体系,在提升广电台站信号传输能力的同时,针对性解决台站基础设施陈旧、组网调试与运维难度大等实际问题。对此,分析云南省下关653台地面数字电视广播建设现状,重点论述地面数字电视调频广播发射机的工作原理、功能特点以及在该高山发射台的应用情况,并针对常见故障给出具体的解决措施,以期为该领域工作人员提供技术参考。At present,radio and television stations across the country are making every effort to build a ground transmission coverage system with digitalization as the main feature,focusing on improving the signal transmission capacity of radio and television stations.At the same time,they have also targeted solutions to practical problems such as outdated infrastructure,difficult network debugging and operation.Therefore,based on a brief analysis of the current situation of ground digital television broadcasting construction at 653 stations in Xiaguan,Yunnan province,this article focuses on the working principle,functional characteristics,and application of ground digital television FM broadcasting transmitters at the high-altitude transmission station.Specific solutions are provided for common faults,in order to provide technical reference for personnel engaged in this field.

关 键 词：地面数字电视 调频广播 高山发射台 

分 类 号：TN838[电子电信—信息与通信工程]