About: Compatibility and optimization in the combination of terrestrial and satellite gravity field data

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Data that come from the GOCE mission and terrestrial gravity measurements are two different sources of information on the gravity field of the Earth. The aim of this paper is to focus on their combination. The problem has an essential tie to potential theory and it is not difficult to realize that by nature it is an overdetermined problem. The aim also is to demonstrate the effect of the two different data sources on the resulting solution and to show its spectral and space domain interpretation. Methods typical for the solution of boundary-value problems of potential theory will be applied together with an optimization approach, target function and regularization techniques. In particular, the use of gravity field information contained in satellite-only models of the gravity field of the Earth or alternatively in GOCE gradiometric data in common with terrestrial gravity measurements is discussed in the paper. The compatibility of these two different data sources is given a considerable attention. The theoretical background outlined above is applied and the respective indicators are defined. Subsequently numerical tests and extensive simulations are added to demonstrate all aspects more distinctly. Results of this analysis are summarized and interpreted. Data that come from the GOCE mission and terrestrial gravity measurements are two different sources of information on the gravity field of the Earth. The aim of this paper is to focus on their combination. The problem has an essential tie to potential theory and it is not difficult to realize that by nature it is an overdetermined problem. The aim also is to demonstrate the effect of the two different data sources on the resulting solution and to show its spectral and space domain interpretation. Methods typical for the solution of boundary-value problems of potential theory will be applied together with an optimization approach, target function and regularization techniques. In particular, the use of gravity field information contained in satellite-only models of the gravity field of the Earth or alternatively in GOCE gradiometric data in common with terrestrial gravity measurements is discussed in the paper. The compatibility of these two different data sources is given a considerable attention. The theoretical background outlined above is applied and the respective indicators are defined. Subsequently numerical tests and extensive simulations are added to demonstrate all aspects more distinctly. Results of this analysis are summarized and interpreted. (en)
Title	Compatibility and optimization in the combination of terrestrial and satellite gravity field data Compatibility and optimization in the combination of terrestrial and satellite gravity field data (en)
skos:prefLabel	Compatibility and optimization in the combination of terrestrial and satellite gravity field data Compatibility and optimization in the combination of terrestrial and satellite gravity field data (en)
skos:notation	RIV/00025615:_____/11:#0001784!RIV12-MSM-00025615
http://linked.open...avai/predkladatel	Výzkumný ústav geodetický, topografický a kartografický, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LC506), Z(CUZ0002561501)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Nesvadba, Otakar Holota, Petr
http://linked.open.../riv/druhVysledku	A(V) - Audiovizuální tvorba se vzdáleným přístupem
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Výzkumný ústav geodetický, topografický a kartografický, v.v.i.
http://linked.open...dnocenehoVysledku	191327
http://linked.open...ai/riv/idVysledku	RIV/00025615:_____/11:#0001784
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	modelling of the Earth’s gravity field; geodetic boundary-value problems; overdetermined problems; compatibility of satellite and terrestrial data; optimization (en)
http://linked.open.../riv/klicoveSlovo	compatibility of satellite and terrestrial data geodetic boundary-value problems modelling of the Earth’s gravity field optimization overdetermined problems
http://linked.open...i/riv/kodPristupu	L
http://linked.open...ontrolniKodProRIV	[26CE571A9CBD]
http://linked.open...i/riv/mistoVydani	Munich
http://linked.open...telVyzkumneZpravy	European Space Agency
http://linked.open...in/vavai/riv/obor	DE
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Recent dynamics of the Earth
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Holota, Petr Nesvadba, Otakar
http://linked.open...n/vavai/riv/zamer	Research and Development in Geodesy, Cadastre and Geomatics in 2005 - 2011

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