摘要
介绍D电缆检测仪开发背景,D电缆的故障模型和检测原理,以及现场应用情况。重点介绍D电缆特性检测仪的系统接口和模块设计组成。
The paper introduces the development background of D cable tester, the fault models and test principles of D cables, as well as its on-site application. It mainly introduces the system interface and module design of the D cable tester.
出处
《铁路通信信号工程技术》
2015年第3期15-16,22,共3页
Railway Signalling & Communication Engineering
关键词
同轴特性
特性阻抗
驻波比
回波损耗
故障点距离
coaxial characteristics
characteristic impedance
standing wave ratio
return loss
distance to fault point