基于DSP的25Hz相敏轨道电路接收设备的研究和实现  

Research and Realization of 25 Hz Phase Detecting Track Circuit’s Receiver Based on DSP

作　　者：王玉 刘伟宁 李辉 耿燕 Wang Yu;Liu Weining;Li Hui;Geng Yan

机构地区：[1]中铁第六勘察设计院集团有限公司

出　　处：《铁道通信信号》2019年第5期19-21,25,共4页Railway Signalling & Communication

基　　金：中国铁路总公司科技研究开发计划课题.新型高可靠25Hz相敏轨道电路系统.2017X012-E

摘　　要：为提高接收设备的抗干扰能力,设计了一种新的基于DSP的25Hz相敏轨道电路电子接收设备,包括硬件及软件的设计,增加了相应的滤波措施,并对接收设备进行了测试。测试结果表明,该接收设备的抗干扰能力得到了有效提高。To improve the anti-interference ability of DSP based 25Hz phase-sensitive track circuit 's receiver,a new electronic receiver is designed.including its hardware and software,with the addition of specific filtering devices.The test has been made to the receiver and the results show that the anti-interference ability of the receiver has been effectively improved.

关 键 词：轨道电路 DSP 接收设备 滤波器 FIR 

分 类 号：U284.2[交通运输工程—交通信息工程及控制]