摘要
无线调频广播是一种以无线发射的方式来传输信息的广播设备,它克服了传统有线广播系统的缺点,成为学校理想的英语广播教学、信息播报等不可缺少的传播工具。讨论校园调频广播系统的组成,调频发射天线的特性、定位与覆盖,以及校园调频广播建设存在的问题等。
FM radio synchronous broadcasting is the broadcasting system which transfers information by radio waves and does not have the disadvantages of traditional wired broadcasting system. So it has become the necessary and ideal media for English broadcasting education and news broadcasting of universities. This paper discusses the components of campus FM radio synchronous broadcasting system, the features, location and covering of FM broadcasting antenna and the problems of its construction.
出处
《中国教育技术装备》
2010年第18期87-88,共2页
China Educational Technology & Equipment
关键词
调频
发射天线
垂直极化
阻抗匹配
流媒体
FM
broadcasting antenna
vertical polarizing
impedance matching
stream media