GNSS (Global Navigation Satellite System) plane retest method, system, equipment and medium

By determining the merged re-test method based on the number of GNSS receivers, optimizing the station layout and observation period, the problem of low efficiency of traditional GNSS plane re-testing methods is solved, and the re-testing cycle is shortened and efficiency is improved, providing guarantees for the safety and operation quality of high-speed railways.

CN120193447APending Publication Date: 2025-06-24THE SECOND ENG CO LTD OF CHINA RAILWAY 14TH CONSTR BUREAU CO LTD
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Patent Information

Application Number
CN202510411710.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2025-06-24

AI Technical Summary

Technical Problem

The traditional GNSS plane re-testing method is inefficient, has a long re-testing period, many repeated measurements, and is cumbersome to review, which affects the safety and operation quality of high-speed railways.

Method used

By determining the combined re-testing methods of the CPI control network, CPII control network and encrypted control network based on the number of GNSS receivers, optimizing the station layout and observation period arrangement, and using the three-network combined re-testing and two-network combined re-testing methods to reduce the number of re-testing and repeated measurements, and improve the re-testing efficiency.

Benefits of technology

The re-test cycle is shortened, the workload of repeated measurements and secondary reviews is reduced, the re-test efficiency is improved, and the safety and operation quality of high-speed railways are ensured.

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Abstract

The invention provides a GNSS plane retest method, system, device and medium, and belongs to the technical field of high-speed railway measurement, and the method comprises the following steps: determining a combined retest mode of a CPI control network, a CPII control network and an encryption control network according to the number of GNSS receivers; and starting to arrange observation stations from the starting point of the line according to the determined combined remeasurement mode until reaching the end point of the line, carrying out field measurement according to the determined observation time period number after the observation stations are arranged each time, and carrying out unified indoor calculation on the combined remeasurement control network after the field measurement of all the observation stations is finished. According to the method, the number of times of remeasurement is reduced, the remeasurement period is shortened, the workload of repeated measurement and secondary recheck is reduced, and a guarantee is provided for the safety and the operation quality of the high-speed railway.
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