Geodesy: General theory and methodology 2015–2018

• Autorzy: Borkowski Andrzej , Kosek Wiesław , Ligas Marcin

Identyfikatory

DOI

10.24425/gac.2019.126092

• Języki publikacji: EN

Abstrakty

EN

The summary of research activities concerning general theory and methodology performed in Poland in the period of 2015–2018 is presented as a national report for the 27th IUGG (International Union of Geodesy and Geophysics) General Assembly. It contains the results of research on new or improved methods and variants of robust parameter estimation and their application, especially to control network analysis. Reliability analysis of the observation system and an integrated adjustment approach are also given. The identifiability (ID) index as a new measure for minimal detectable bias (MDB) in the observation system of a network, has been introduced. A new method of covariance function parameter estimation in the least squares collocation has been developed. The robustified version of the Shift-Msplit estimation, termed as Shift-M*split estimation, which enables estimation of parameter differences (robustly), without the need of prior estimation of the parameters, has been introduced. Results on the analysis of geodetic time series, particularly Earth orientation parameter time series, geocenter time series, permanent station coordinates and sea level variation time series are also provided in this review paper. The entire bibliography of related works is provided in the references.

Słowa kluczowe

EN

robust estimation; reliability; time series; polar motion; least squares collocation

PL

niezawodność; szereg czasowy; szacowanie

• Wydawca: Komitet Geodezji PAN
• Czasopismo: Geodesy and Cartography
• Rocznik: 2019
• Tom: Vol. 68, no. 1
• Strony: 145--162
• Opis fizyczny: Bibliogr. 45 poz.

Twórcy

autor

Borkowski Andrzej

• Wroclaw University of Environmental and Life Sciences Institute of Geodesy and Geoinformatics 53 Grunwaldzka St., 50-357 Wroclaw, Poland

autor

Kosek Wiesław

• University of Agriculture in Krakow Faculty of Environmental Engineering and Land Surveying 24/28 Al. Mickiewicza, 30-059 Kraków, Poland

autor

Ligas Marcin

• AGH University of Science and Technology Department of Integrated Geodesy and Cartography 30 Al. Mickiewicza, 30-059 Krakow, Poland

Bibliografia

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