隧道覆盖调频选频处理器的设计  

Design of FM Frequency Selective Processor for Tunnel Coverage

作　　者：陈宸 陆建华 Chen Chen;Lu Jianhua(Lanzhou University of Technology, Gansu, 7300502, Chin;Wuxi Broadcasting Television Group, Jiangsu 214061. China)

机构地区：[1]兰州理工大学,甘肃730050 [2]无锡广播电视集团,江苏214061

出　　处：《广播与电视技术》2018年第4期105-109,共5页Radio & TV Broadcast Engineering

摘　　要：调频选频处理器是隧道覆盖中的关键设备。本文从功能需求、技术方案、关键器件和设备测试等方面详细介绍了选频处理器的设计思路,可供相关研制人员提供参考。FM frequency selective processor is the key equipment in tunnel coverage. This paper introduces the design of frequency selective processor in aspects of function requirement, technical scheme, key components and testing method. It could provide some references to researchers.

关 键 词：选频处理 压控振荡器 锁相环 声表面滤波器 应急广播 

分 类 号：TN949[电子电信—信号与信息处理]