基于数字电视的城市预警系统建设概要

The Summary of City Emergency Command System Construction Based on Digital TV

介绍了阳泉广播电视基于数字电视的城市预警系统的实现原理,充分利用数字电视的弹屛功能在阳泉20万数字电视用户中同时全频道弹屛,通过GSM短信息远程控制LED屏实时显示文本信息,实现重大灾害等公共信息的及时发布,实现城市紧急预警。该系统的开发应用可有效提升整个城市的应急反应能力,减少灾害造成的经济损失和信息发布不及时而产生的负面影响,为相关单位采取积极的应对措施赢得宝贵的时间,具有明显的社会效益。

This essay has introduced the principle of work in The Emergency Command System of Serious Dis- asters and Public Information of YangQuan Broadcast and Television, and used the pop up function of digital television to play all channel pop up for the 200,000 users of digital television, controlled LED screen real time text information through GSM short message to put into the timely release of serious disasters and others public information. The development and application of this system can improve the whole cities ability of e- mergency response; reduce the economic loss caused by disaster and the negative effects because of the delay of information issuing. This can take remarkable social economic benefits and to spare so much of precious time for relevant unit to take some active measures.