摘要
本文首先介绍了无线数据广播系统(RDS)数组的一般结构,然后在此基础上提出了利于调频广播开展紧急广播业务的三种紧急广播数据帧结构:基本调谐和开关信息帧、紧急广播数据帧和广播文本帧,并对其功能和结构进行了详尽的介绍,通过验证,该方法可以实现调频紧急广播数据消息的有效传送。
FM RDS(Radio Data System) emergency broadcasting system is a system to transmit emergency data message to the public through FM subcarrier.When natural disasters,accidents,and public health and social security incident occur,FM RDS emergency broadcasting system provides a quick and efficient method to announce and warn.This paper introduces a design method of FM emergency broadcasting message based on RDS.
出处
《广播与电视技术》
2012年第6期27-30,15,共4页
Radio & TV Broadcast Engineering
基金
2009年国家科技支撑计划项目"紧急广播关键技术研究及实现"
