元坝气田应急广播工程  

Emergency Broadcasting Project in Yuanba Gas Field

作　　者：王齐祥 

机构地区：[1]广州市迪士普音响科技有限公司,广东广州511460

出　　处：《电声技术》2015年第10期1-5,31,共6页Audio Engineering

摘　　要：元坝气田是中国西气东输的气源地,其应急广播系统规模是目前所知全球最大。介绍了元坝气田应急广播系统的类型选取,数据传输方式RDS与SCA的对比,如何解决快速对三万接收终端的寻址控制及参数设置,从产品到系统的方方面面提高可靠性的技术措施,系统的语言可懂度、声压级等声学设计过程,系统整体特色等。Yuanba gas field is the source of China West East Gas Transmission Project, whose emergency broadcast system is the largest in the world currently. The type selection of emergency broadcast system in Yuanba gas field is introduced, as well as the comparison between RDS and SCA, how to solve the problem of the thirty thousand receiving terminal＇s addressing control and parameter setting. Meanwhile, the technical measures to improve the reliability of the system are also put forward.

关 键 词：应急广播 FM无线广播 RD SCA 

分 类 号：TN931[电子电信—信号与信息处理]