隧道调频广播系统方案设计与工程实施  

Design and Construction of Tunnel FM Broadcasting Coverage System

作　　者：邱白桦 QIU Baihua(Shenzhen Radio and TV Technology Center,Shenzhen 518000,China)

机构地区：[1]深圳市广播电视技术中心,广东深圳518000

出　　处：《电声技术》2022年第4期1-5,共5页Audio Engineering

摘　　要：公路隧道是调频广播信号的覆盖盲区。车辆进入隧道后广播信号中断,将会严重影响广播听众的收听体验。建设隧道调频广播系统,不仅可以解决这一问题,而且在发生突发事件时,隧道管理人员可以通过基于群载波技术的应急广播系统发布交通信息,及时进行交通疏导,提高隧道应急处理能力。对此,介绍深圳市公路隧道广播系统技术方案,并总结工程实施中的关键问题。It will seriously affect the passenger’s listening experience due to the interruption of the FM signal when the vehicle enters the highway tunnel which is the blind spot.Building a tunnel FM broadcasting coverage system can not only solve this problem,but also make it possible for the passengers to get useful information through the radio by the tunnel emergency broadcasting system based on group carriers when an accident occurs.Tunnel FM broadcasting coverage system can improve the emergency treatment capacity of the tunnel manager.This article introduces the technical design of Shenzhen highway tunnel FM broadcasting coverage system,and summarizes the key issues in the construction.

关 键 词：隧道调频广播 泄漏电缆 光纤直放站 隧道应急广播 音频比对 

分 类 号：TN912.2[电子电信—通信与信息系统]