摘要
本文分析了公共广播系统的组成,根据应急广播信号传输的要求,分析了在现有公共广播系统中如何接入应急广播的技术方法,提出了适合现有公共广播系统接入应急广播信号源的接收适配器的组成和功能。
This paper analyzes composition of public broadcasting system and discusses technical methods of how to access emergency broadcasting in existing public broadcasting system according to the requirements of emergency broadcasting signal transmission,and puts forward composition and function of receiving adapter suitable for the existing public broadcasting system to access emergency broadcasting signal source.
作者
刘卫宏
黎建
吕清水
沈博
Liu Weihong;Li Jian;Lv Qingshui;Shen Bo(Zhongguangdian Radio,Film and TV Design and Research Institute,Beijing 100045,China;HBPRT,Hubei 430071,China;Guangdong Cable Network Limited,Guangdong 510623,China)
出处
《广播与电视技术》
2020年第10期26-29,共4页
Radio & TV Broadcast Engineering
关键词
应急广播
公共广播
信源接收适配器
Emergency broadcasting
Public broadcasting
Source receiving adapter