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Impact of the arc length on GNSS analysis results

Lutz, Simon and Meindl, Michael and Steigenberger, Peter and Beutler, Gerhard and Sosnica, Krzysztof and Schaer, Stefan and Dach, Rolf and Arnold, Daniel and Thaller, Daniela and Jäggi, Adrian (2016) Impact of the arc length on GNSS analysis results. Journal of Geodesy, 90 (4), pp. 365-378. Springer. DOI: 10.1007/s00190-015-0878-1 ISSN 0949-7714

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Abstract

Homogeneously reprocessed combined GPS/GLONASS 1- and 3-day solutions from 1994 to 2013, generated by the Center for Orbit Determination in Europe (CODE) in the frame of the second reprocessing campaign REPRO-2 of the International GNSS Service, as well as GPS and GLONASS-only 1- and 3-day solutions for the years 2009 to 2011 are analyzed to assess the impact of the arc length on the estimated Earth Orientation Parameters (EOP, namely polar motion and length of day), on the geocenter, and on the orbits. The conventional CODE 3-day solutions assume continuity of orbits, polar motion components, and of other parameters at the day boundaries. An experimental 3-day solution, which assumes continuity of the orbits, but independence from day to day for all other parameters, as well as a non-overlapping 3-day solution, is included into our analysis. The time series of EOPs, geocenter coordinates, and orbit misclosures, are analyzed. The long-arc solutions were found to be superior to the 1-day solutions: the RMS values of EOP and geocenter series are typically reduced between 10 and 40%, except for the polar motion rates, where RMS reductions by factors of 2–3 with respect to the 1-day solutions are achieved for the overlapping and the nonoverlapping 3-day solutions. In the low-frequency part of the spectrum, the reduction is even more important. The better performance of the orbits of 3-day solutions with respect to 1-day solutions is also confirmed by the validation with satellite laser ranging.

Item URL in elib:https://elib.dlr.de/101821/
Document Type:Article
Title:Impact of the arc length on GNSS analysis results
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Lutz, SimonAIUBUNSPECIFIED
Meindl, MichaelETHUNSPECIFIED
Steigenberger, PeterDLR/GSOChttps://orcid.org/0000-0003-1905-6699
Beutler, GerhardAIUBUNSPECIFIED
Sosnica, KrzysztofAIUBhttps://orcid.org/0000-0001-6181-1307
Schaer, StefanswisstopoUNSPECIFIED
Dach, RolfAIUBUNSPECIFIED
Arnold, DanielAIUBUNSPECIFIED
Thaller, DanielaBKGUNSPECIFIED
Jäggi, AdrianAIUBUNSPECIFIED
Date:24 December 2016
Journal or Publication Title:Journal of Geodesy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:90
DOI :10.1007/s00190-015-0878-1
Page Range:pp. 365-378
Publisher:Springer
ISSN:0949-7714
Status:Published
Keywords:GPS; GLONASS; Orbits; Earth orientation parameters
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Vorhaben Infrastruktur und Unterstützung für Raumflugbetrieb
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training
Deposited By: Steigenberger, Peter
Deposited On:11 Jan 2016 09:43
Last Modified:10 Jan 2019 15:48

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  • Impact of the arc length on GNSS analysis results. (deposited 11 Jan 2016 09:43) [Currently Displayed]

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