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城市轨道交通中,信号系统与乘客信息系统(以下简称PIS系统)都需要进行地面与列车间的信息交换,但二者有各自的特点。信号系统是确保地铁安全、正点、快捷运营的关键设施,重点是安全,包括ATP、ATO、ATS及联锁子系统,主要由地面设备和车载设备构成。旅客信息服务系统是以车站和车
In urban rail transit, signal and passenger information systems (hereinafter referred to as PIS systems) all need to exchange information between the ground and the trains, but both have their own characteristics. The signaling system is the key facility to ensure the safety, punctuality and speedy operation of the MTR. The emphasis is on safety. It includes ATP, ATO, ATS and interlocking subsystems, mainly consisting of ground equipment and automotive equipment. Passenger information service system is based on the station and car