Analysis of railway engineering control network retesting technology based on GNSS
This article conducts research on the control network GNSS retesting technology,analyzes the system structure and technical principles of GNSS technology,and focuses on the practical application methods of control network GNSS retesting technology in high-speed railway surveying engineering,including the selection of retesting coordinate systems,evaluation and utilization of existing measurement results,field data collection,indoor data processing,and accuracy analysis.The aim is to improve the application effect of GNSS technology,provide technical support for the accuracy and quality of control network retesting,and provide technical guidance for the on-site measurement operations of similar projects.
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