In this system, the combined orientation model of DTWADGPS is established using the WADGPS, odograph, speedometer and roscope, etc.

• 系统采用WADGPS、里程表、车速仪、陀螺仪等构建分布式逆向WADGPS组合定位模型并对多传感器信息进行融合处理，解决列车定位的精度和盲区问题；