关于列车定位系统的探讨

SOME DISCUSSIONS ON THE TRAIN POSION SYSTEMS

本文综述并比较了各种定位方法，对采用这些方法作为列车定位系统的可能性和优缺点进行了探讨。

This paper gives survey and comparison of various position methods. The possi-bilities，advantages and disadvantages of using these methOds for the train position systemare discussed.