中波广播转播台的防控措施研究

Research on Prevention and Control Measures of Medium Wave Broadcasting Station

中波天线广播调频发射台天线是直接把各种带有中波天线广播发射信号的无线电磁波,传送出来给广大听众和现场观众的关键的一种基础通信设施,为有效避免广播发射台中波天线广播场地的各种地面结构建筑和山坡地形等等地貌因素可能对中波天线广播发射场地有所谓的遮挡,根据目前中波调频天线场地发射最低天线仰角的技术要求,场地大都需要选在开阔的山地带,而且中波天线上的自立发射塔高度大都不得超过30m,其中的年频率预计天线雷击发生次数较高,因此使用中波调频广播天线发射台的天线防雷性和安全隐患尤为突出。

Medium wave antenna broadcast FM transmitter antenna is a key basic communication facility that directly transmits various wireless electromagnetic waves with medium wave antenna broadcast signals to the audience and on-site audiences.In order to effectively avoid broadcast transmission The various ground structures and mountain slopes of the Taichung wave antenna broadcast site may have socalled obstructions to the medium wave antenna broadcast launch site.According to the current technical requirements for the minimum antenna elevation angle of the medium wave FM antenna site,most sites need to be selected.In an open mountainous area,and the height of the self-supporting tower on the medium wave antenna is mostly no more than 30m,the annual frequency of which is expected to have a high number of lightning strikes,so the use of the medium wave frequency modulation broadcast antenna transmitter antenna lightning protection and safety hazards Especially prominent.