Interpretation and Analysis on Technical Specification for BDS Surveying of Railway Engineering
The Beidou Satellite Navigation System(BDS)is a satellite navigation system independently developed and operated by China.With the completion of the Beidou 3 system,BDS has begun to provide continuous,stable,and reliable services to global user,including providing real-time dynamic centimeter level and post static millimeter level positioning enhancement services,its accuracy can replace foreign satellite systems by the BDS in the field of railway engineering.Q/CR9163-2023 Technical Specification for BDS Surveying of Railway Engineering,comprehensively summarizes the application practice of BDS surveying in China's railways,and proposes a modern precision control survey system for railway engineering based on the BDS continuous operation reference station network,clarifying the technical requirements for using BDS for control surveying,dynamic surveying,and deformation monitoring.This article thoroughly explained the technical background of railway BDS surveying,and elaborated the content of standard.The standard reflects the application direction of China's BDS in railway engineering survey,achieving independence and autonomy,and providing technical support for the application and promotion of BDS in railway engineering survey.
railway surveyingBeidou Satellite Navigation System(BDS)continuous operation reference station(cors)technical standard
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