摘要
随着城市的发展,电磁环境变的日益恶劣,原调频发射系统已不能满足事业发展的需求,为了确保城市市民正常接收石家庄广播电视台广播调频节目,传播正能量,我们对调频机房进行了改造。通过改造不仅解决了原有天线设计不足的缺陷,很多程度上改善了电台调频信号的有效覆盖效果,而且彻底解决了制约事业发展的瓶颈问题。
With the development of the city, the electromagnetic environment becomes worse and worse, the original FM transmission system can not meet the needs of the development. In order to ensure that the city residents can normally receive the FM programs and spread positive energy, Shijiazhuang Radio and Television Station transform the FM rooms. Through the transformation, the shortcomings of the original antenna design are solved, the effective coverage of the radio FM signal is greatly improved and the bottlenecks of the development are completely solved.
作者
王和
WANG He(Shijiazhuang Radio and Television Station,Shijiazhuang 050000,China)
出处
《价值工程》
2016年第34期99-102,共4页
Value Engineering
关键词
多工
场强
天馈系统
视距传播
衰减
multiplex
field strength
antenna system
line of sight propagation
attenuation