基于短波通信的应急广播模式  

The Emergency Broadcast Mode Based on Shortwave Communication

作　　者：黄红伟 HUANG Hongwei(Guangxi Radio and Television Monitoring Center,Nanning 530000,China)

机构地区：[1]广西广播电视监测中心,广西南宁530000

出　　处：《电视技术》2021年第5期81-83,共3页Video Engineering

摘　　要：分析应急消息的各种无线发布技术,通过对各项技术的建设成本、运维成本及技术可靠性等进行分析比对,阐述短波通信在应急广播领域的优势。结合当前的应急广播体系建设规范,研究短波频率在应急广播传输过程的编解码技术,提供了带短波接收功能的应急广播适配器的实现方法。This paper analyzes the various wireless publishing technologies of emergency message.Through the analysis and comparison of the construction cost,operation and maintenance cost and technical reliability of each technology,the advantages of short wave communication in the field of emergency broadcasting are expounded.Combined with the current emergency broadcast system construction specification,this paper studies the coding and decoding technology of short wave frequency in the emergency broadcast transmission process,and provides the implementation method of emergency broadcast adapter with short wave receiving function.

关 键 词：应急广播 OFDM 应急广播适配器 TS流 短波 

分 类 号：TN925[电子电信—通信与信息系统]