CTCS点式应答器系统中BTM接收模块设计  

Design of BTM receiver module in Intermittent Balise of CTCS

作　　者：郭瑞[1] 李胤[1] 王永超[1] 刘久文[1] 

机构地区：[1]北京航空航天大学电子信息工程学院,北京100191

出　　处：《电子测量技术》2010年第7期19-22,共4页Electronic Measurement Technology

摘　　要：提出了一种CTCS点式应答器系统中BTM接收模块的设计,通过对BTM接收模块各项功能的分析,设计出相对应的模块。整个BTM接收模块完成对地面应答器信号的接收、处理、解调、存储和转发。与之对应,设计了解调前端处理模块、FSK解调模块、数字处理与存储模块和RS232\RS422接口模块来完成相应功能。通过实际电路设计实现并经过实际测试,本设计能够很好的满足BTM接收模块的各项功能和预定指标,并且能够很好的跟其他模块配合使用,具有很好的稳定性。A design of BTM receiver module in Intermittent Balise of CTCS is produced by designing each secondary part which is according to each function of BTM receiving module.The BTM receiver module is supposed to achieve functions including receiving the signals from balise,processing the signals,demodulating FSK signals,storing and forwarding information.Accordingly,front-end signal processing module,FSK demodulating module,digital processing module and RS232／RS422 interface module are provided to accomplish each function in this paper.By actual circuit designing and actual testing,this design can accomplish each functions of BTM receiver module and work well with other modules and it operates stably.

关 键 词：CTCS BTM BTM接收模块 点式应答器 

分 类 号：U283.1[交通运输工程—交通信息工程及控制]