Application of the undifferenced GNSS precise positioning in determining coordinates in national reference frames

• Autorzy: Krzan Grzegorz , Stępniak Katarzyna

Identyfikatory

DOI

10.1515/arsa-2017-0006

• Języki publikacji: EN

Abstrakty

EN

In high-accuracy positioning using GNSS, the most common solution is still relative positioning using double-difference observations of dual-frequency measurements. An increasingly popular alternative to relative positioning are undifferenced approaches, which are designed to make full use of modern satellite systems and signals. Positions referenced to global International Terrestrial Reference Frame (ITRF2008) obtained from Precise Point Positioning (PPP) or Undifferenced (UD) network solutions have to be transformed to national (regional) reference frame, which introduces additional bases related to the transformation process. In this paper, satellite observations from two test networks using different observation time series were processed. The first test concerns the positioning accuracy from processing one year of dual-frequency GPS observations from 14 EUREF Permanent Network (EPN) stations using NAPEOS 3.3.1 software. The results were transformed into a national reference frame (PL-ETRF2000) and compared to positions from an EPN cumulative solution, which was adopted as the true coordinates. Daily observations were processed using PPP and UD multi-station solutions to determine the final accuracy resulting from satellite positioning, the transformation to national coordinate systems and Eurasian intraplate plate velocities. The second numerical test involved similar processing strategies of post-processing carried out using different observation time series (30 min., 1 hour, 2 hours, daily) and different classes of GNSS receivers. The centimeter accuracy of results presented in the national coordinate system satisfies the requirements of many surveying and engineering applications.

Słowa kluczowe

EN

PPP; ITRF; ETRF; ESA; IGS

• Wydawca: Centrum Badań Kosmicznych PAN ; De Gruyter
• Czasopismo: Artificial Satellites : Journal of Planetary Geodesy
• Rocznik: 2017
• Tom: Vol. 52, No. 3
• Strony: 49--69
• Opis fizyczny: Bibliogr. 44 poz., rys., tab.

Twórcy

autor

Krzan Grzegorz

• University of Warmia and Mazury in Olsztyn, Institute of Geodesy, Oczapowskiego 1, 10-719 Olsztyn, Poland

autor

Stępniak Katarzyna

• University of Warmia and Mazury in Olsztyn, Institute of Geodesy, Oczapowskiego 1, 10-719 Olsztyn, Poland

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).