Research and Application of Real-time High-precision Positioning System for High-speed EMU Based on BeiDou

doi:10.13474/j.cnki.11-2246.2017.0194

Abstract

Abstract: BeiDou navigation satellite system has possessed formal services for the Asia-Pacific region and begun the construction of BeiDou's global satellite navigation system. For evaluating the real-time differential positioning accuracy of BDS under the high-speed moving conditions, a real-time high-precision positioning system is designed for EMU trains and a high-speed railway test section is constructed. The field testing results show that the real-time positioning accuracy in vertical track direction on level can be better than 1 m under the condition of EMU train high speed moving which indicates that the system has the ability to clearly distinguish the track of the EMU train. To a certain extent, the system can meet some urgent needs of the positioning applications in railway industry.

Key words: BDS, high-speed EMU, high-precision, real-time difference, high-speed moving

CLC Number:

P228

ZHANG Xiaojun, CUI Hongzhou, YUAN Shengyong. Research and Application of Real-time High-precision Positioning System for High-speed EMU Based on BeiDou[J]. 测绘通报, 2017, 0(6): 77-81.

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