隧道有线广播、隧道紧急电话综合应用系统  

Integrated Tunnel Broadcasting and Emergency Telephone System

作　　者：李金蔚[1] 

机构地区：[1]交通部公路科学研究所,北京100088

出　　处：《公路交通科技》2003年第z1期93-95,共3页Journal of Highway and Transportation Research and Development

摘　　要：本文主要论述了在原有隧道紧急电话系统软、硬件的基础上加以改进而成的隧道有线广播、隧道紧急电话综合应用系统。主要侧重于系统组成。In this thesis,it is narrated that how an integrated application system of broadcasting and emergency telephone(ET)for tunnels is improved on the basis of ET system software and hardware It2s emphasized on the constitute,function and advantages over those of the previous system

关 键 词：隧道有线广播 有源方式 综合应用系统 

分 类 号：TN933[电子电信—信号与信息处理] U45[电子电信—信息与通信工程]