先进的通信技术在列车定位系统中的应用，使得列车定位更快速、更准确。
Using advanced communication technology can make train position faster and more accurate.
分析了几种定位系统在列车定位系统中的适用性，以寻求一种较好的列车定位方法。
Discussed on the applicability of some positioning systems in positioning trains for getting a good method of positioning trains.
采用GNSS技术构建列车定位系统有着极大的优势，但是在实际应用中还需要解决列车运行中车载接收机定位精度的问题。
Though GNSS technology has such advantages in positioning, the accuracy of location determined by onboard receivers need to be improved.
卫星定位系统(GPS)是解决城市轨道交通中列车安全快速运行的有效手段。
GPS (Global Position system) is an effective way employed in urban rail transit systems to guarantee the safe and fast running of trains.
本文介绍电力列车微波智能定位系统的基本工作原理、设计思想及方框图。
The basic principle, designing idea and the function diagrams of the microwave intelligent positioning system for electric train are presented in this paper.
介绍了磁浮列车绝对定位系统的原理、组成、功能及FPGA在此方面的应用。
The principle functions, composition and application of FPGA to absolute positioning system for maglev vehicles are explained.
站间是以车载设备为主的，由无源点式应答器、GPS列车卫星定位系统、多机校核系统构成的列车信号引导系统。
The train signal guiding system (on board) consisting of passive intermittent responder, train GPS system, and multiple computer checking system are equipped on the section.
列车轨道占用识别目的是在平行的多轨道区域识别列车所占用的轨道信息，为列车定位子系统或控制系统提供可靠的信息。
Train track occupancy recognition is to determine if the train is passing over a switch and to supply reliable information for train positioning system and train control system.
论证了该系统既可以实现列车的车地通信功能又能实现列车的测速定位功能。
This system can not only be used for the train-ground communication, but also be used for train locating and speed measuring.
试验表明：系统实时性强，测速定位精度高，满足高速磁悬浮列车运行控制的要求。
Experiment shows that the system has the features of hard real time and high measuring precision which meets the requirement of the operating control system of high-speed maglev train.
根据现场测试数据及列车定位要求，提出了中国铁路GNSS增强系统建设方案。
Based on the field test and analysis of the requirement of train positioning, GNSS augmentation technologies were discussed and a recommendation solution for China railway was presented.
根据现场测试数据及列车定位要求，提出了中国铁路GNSS增强系统建设方案。
Based on the field test and analysis of the requirement of train positioning, GNSS augmentation technologies were discussed and a recommendation solution for China railway was presented.
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