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Method for quickly realizing VRS fixed solution in combination with PPP-RTK

A PPP-RTK, fixed solution technology, applied in satellite radio beacon positioning systems, measurement devices, instruments, etc., can solve problems such as too ideal solution models, large errors in observed values, and long distances from mobile stations

Pending Publication Date: 2021-09-07
黑龙江惠达科技发展有限公司
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0010] (1) The linear interpolation method is too ideal, and there is a large deviation from the actual geographical and climatic conditions, which will lead to large errors in observation values;
[0011] (2) The virtual VRS is not necessarily the optimal solution, and the virtual way purely through geometric calculation will cause the VRS to be far away from the mobile station;
[0012] (3) The solution model is too ideal

Method used

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Embodiment Construction

[0031] The specific implementation of the method for quickly realizing VRS fixed solution in combination with PPP-RTK in the present invention will be described in detail below.

[0032] The present invention realizes by following method process:

[0033] 1. Fix VRS single-station ambiguity through PPP ambiguity fixation, obtain VRS carrier phase observations without integer ambiguity, and send them to users.

[0034] 2. The user receives the VRS carrier phase observations without integer ambiguity, and performs differential calculation combined with the carrier phase observations of the rover to obtain the single-difference ambiguity of the carrier phase of the rover, and the single difference ambiguity of the carrier phase of the rover Perform fixation and output the rover PPP fixation solution.

[0035] 3. The data center receives the parameters, generates VRS observations and precise coordinates of the VRS, and the data center performs PPP calculation for the VRS single s...

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Abstract

The invention relates to the technical field of communication data processing, and discloses a method for quickly realizing a VRS fixed solution in combination with PPP-RTK, which realizes a quick single-station ambiguity floating point solution for a VRS through the PPP-RTK and verifies a VRS fixed node to obtain absolute coordinates of the VRS. The single-station ambiguity floating point solution of the VRS point is quickly obtained, and the accuracy of the ambiguity fixed solution of the VRS single station is verified, so that the accurate absolute coordinates of the VRS is realized, and a reliable guarantee is provided for the mobile station to solve the RTK to obtain the accurate coordinates.

Description

technical field [0001] The invention relates to the technical field of communication data processing, in particular to a method for quickly realizing a VRS fixed solution in combination with PPP-RTK. Background technique [0002] The reference station system (CORS) can be defined as one or several fixed, continuous running GPS reference stations, using a network composed of modern computer, data communication and Internet (LAN / WAN) technologies to provide real-time information to different types, different needs, Users at different levels automatically provide different types of GPS observations (carrier phase, pseudorange), various corrections, status information and other GPS service items that have been verified. [0003] Fixed CORS stations usually have limited coverage, and the method of calculating RTK (real-time dynamic carrier phase difference) with a single connection between mobile stations and fixed stations is easily limited by the number of fixed stations and in...

Claims

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Application Information

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IPC IPC(8): G01S19/44
CPCG01S19/44
Inventor 袁纯
Owner 黑龙江惠达科技发展有限公司
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