About: AMBIGUITY RESOLUTION STRATEGIES USING THE RESULTS OF THE INTERNATIONAL-GPS-GEODYNAMICS-SERVICE (IGS)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Resolving the initial phase ambiguities of GPS carrier phase observations was always considered an important aspect of GPS processing techniques. Resolution of the so-called wide-lane ambiguities using a special linear combination of the L(1) and L(2) carrier and code observations has become standard. New aspects have to be considered today: (1) Soon AS, the so-called Anti-Spoofing, will be turned on for all Block II spacecrafts. This means that precise code observations will be no longer available, which in turn means that the mentioned approach to resolve the wide-lane ambiguities will fail. (2) Most encouraging is the establishment of the new International GPS Geodynamics Service (IGS), from where high quality orbits, earth rotation parameters, and eventually also ionospheric models will be available. We are reviewing the ambiguity resolution problem under these new aspects: We look for methods to resolve the initial phase ambiguities without using code observations but using high quality orbits and ionospheric models from IGS, and we study the resolution of the ''narrow-lane ambiguities'' (after wide-lane ambiguity resolution) using IGS orbits. Resolving the initial phase ambiguities of GPS carrier phase observations was always considered an important aspect of GPS processing techniques. Resolution of the so-called wide-lane ambiguities using a special linear combination of the L(1) and L(2) carrier and code observations has become standard. New aspects have to be considered today: (1) Soon AS, the so-called Anti-Spoofing, will be turned on for all Block II spacecrafts. This means that precise code observations will be no longer available, which in turn means that the mentioned approach to resolve the wide-lane ambiguities will fail. (2) Most encouraging is the establishment of the new International GPS Geodynamics Service (IGS), from where high quality orbits, earth rotation parameters, and eventually also ionospheric models will be available. We are reviewing the ambiguity resolution problem under these new aspects: We look for methods to resolve the initial phase ambiguities without using code observations but using high quality orbits and ionospheric models from IGS, and we study the resolution of the ''narrow-lane ambiguities'' (after wide-lane ambiguity resolution) using IGS orbits. (en)
Title	AMBIGUITY RESOLUTION STRATEGIES USING THE RESULTS OF THE INTERNATIONAL-GPS-GEODYNAMICS-SERVICE (IGS) AMBIGUITY RESOLUTION STRATEGIES USING THE RESULTS OF THE INTERNATIONAL-GPS-GEODYNAMICS-SERVICE (IGS) (en)
skos:prefLabel	AMBIGUITY RESOLUTION STRATEGIES USING THE RESULTS OF THE INTERNATIONAL-GPS-GEODYNAMICS-SERVICE (IGS) AMBIGUITY RESOLUTION STRATEGIES USING THE RESULTS OF THE INTERNATIONAL-GPS-GEODYNAMICS-SERVICE (IGS) (en)
skos:notation	RIV/68407700:21110/94:00204490!RIV15-GA0-21110___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA205/93/0401)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Mervart, Leoš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta stavební
http://linked.open...dnocenehoVysledku	858655
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/94:00204490
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	GPS; ambiguity; IGS (en)
http://linked.open.../riv/klicoveSlovo	GPS ambiguity IGS
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[BC941A1BBCFA]
http://linked.open...i/riv/nazevZdroje	Bulletin Geodesique
http://linked.open...in/vavai/riv/obor	DE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Solving of the Geodetic Problems Using Global Positioning System (GPS)
http://linked.open...UplatneniVysledku	1994
http://linked.open...v/svazekPeriodika	68
http://linked.open...iv/tvurceVysledku	Beutler, G. Mervart, Leoš Rothacher, M. Wild, U.
http://linked.open...ain/vavai/riv/wos	A1994MU89500004
issn	0007-4632
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/BF00806750
http://localhost/t...ganizacniJednotka	21110

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