This study indicates that estimating the BDS-2/3 receiver ISB in BDS-2/3 joint POD could improve the orbit accuracy, and the GPS and BDS-3 joint POD solution is better than another combined POD.
For GPS and BDS-2/3 combined POD, the GPS and BDS-3 joint POD solutions have the smallest RMS differences in overlapping consistency and smallest RMS differences compared to GPS-based POD. When the ISB between BDS-3 and BDS-2 is estimated, the BDS-2/3 combined POD accuracy of 5.37 cm in the 3D direction is better than that without ISB, which is a 64% improvement over BDS-2-based POD and 18% improvement over BDS-3-based POD. The BDS-3-based POD accuracy is 6.57 cm in the 3D direction, a 56% improvement over BDS-2-based POD. Taking GPS-based POD solutions for the reference orbit, this paper evaluates the orbit accuracy of BDS-2-based POD, BDS-3-based POD, BDS-2 and BDS-3 combined PODs with/without ISB. This paper’s main goal is absorption of the impact of the ISB between BDS-3 and BDS-2 on the LEO satellite POD. However, the receiver intersystem bias (ISB) of different GNSS is unavoidable in multi-GNSS data processing. The third-generation Beidou navigation satellite system (BDS-3) provides a new option to obtain the LEO satellite orbit solutions. Q: What is the benefit of having access to Workflow Extensions?Ī: The file-based approach to managing project data results in a large number of files, versions, and folders, which makes it extremely challenging for team members to find the right data at the right time to make informed decisions.In recent years, the multi-GNSS positioning application is becoming more and more popular, same to the low Earth orbit (LEO) satellite precise orbit determination (POD) based on the onboard multi-GNSS measurements. Processes such as materials management, quality assurance, and project planning can truly benefit from data that is available directly in the context of 3D models. Instead of combing through rows in a spreadsheet or sorting through markups in multiple sets of drawings, simply click on an element to see the material status, QA results, or planning dates. With Trimble Connect Workflow Extensions this, and much more, becomes possible. Q: As a Personal or Business user, what does it mean to have read-only access to Workflow Extensions?Ī: Users with read-only access can still consume data that has been created through the Workflow Extensions (Property Sets, Content Browser, Organizer).
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