点式应答器传输模块测试技术

Testing Technology of Balise Transmission Module

点式应答器传输模块(balise transmission module, BTM)是中国列车控制系统(CTCS)车载子系统必不可少的设备,可实现车地间信息的传输。文章针对实际车地传输中偶尔会有"丢点"现象,即无法收到地面应答器的报文信号的问题,提出设计开发一套应答器车载设备测试系统,阐述了该系统的原理和软、硬件架构。试验表明,该测试系统较好地实现了对应答器传输过程中上下链路关键参数的考核。

Balise transmission module(BTM) is an absolutely necessarily device of onboard sub-system in China train control system(CTCS), to fulfill the communication between train and ground. In view of loss points occasionally occur in transmission which was unable to receive ground balise telegram signal, a balise onboard test platform was designed and developed. The principle, software and hardware architecture of the system were described. The test results showed that the platform could achieve the check of the main parameters of up and down links during balise transmission.