中国铁道科学研究院通信信号研究所的STP-yh(原DJK)无线调车机车信号和监控系统已经在国铁、地方铁路、厂矿站线等190多个站场、近300台机车开通运用,技术水平国内领先。STP-yh无线调车机车信号和监控系统采用无线数传技术,将站内调车机车信号与地面信号联锁,实现调车信号、调车进路及作业单等在机车上实时显示并结合列车运行监控记录装置实现对调车作业的安 STP-yh (former DJK) wireless shunting locomotive signal and monitoring system of Institute of Communications Signal of China Academy of Railway Sciences has been used in more than 190 stations including the National Railways, local railways and factories and mines and nearly 300 locomotives. The leading domestic technology. STP-yh wireless shunting locomotive signal and monitoring system using wireless data transmission technology, the station Shunting locomotive signal and ground signals interlock to achieve shunting signals, shunting routes and job orders, etc. in the locomotive real-time display and combined with the train Operation monitor device to achieve the shunting operation safety