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Vloga kakovostnega višinskega sistema in geoida za izvedbo GNSS-višinomerstva
Kuhar, Miran (Author), Berk, Sandi (Author), Koler, Božo (Author), Medved, Klemen (Author), Omang, Ove Christian Dahl (Author), Solheim, Dag (Author)

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Abstract
V okviru projekta Vzpostavljanje evropskega prostorskega referenčnega sistema v Sloveniji je bila izračunana tudi ploskev testnega geoida. V prispevku bo predstavljena primerjava določitve geoidnih višin iz geoida 2000 in testnega geoida iz leta 2010. Analizo natančnosti ploskev geoida Slovenije smo opravili s primerjavo geoidnih višin, ki jih dobimo kot razlike merjenih eliposoidnih in nadmorskih višin (»merjene geoidne višine«) in tistih, ki jih interpoliramo iz modelov. Primerjali smo »merjene« in interpolirane geoidne višine na 352 GNSS/nivelman kontrolnih točkah. Z izračunom ploskve testnega geoida smo pridobili možnost predhodne analize kakovosti prihodnjega geoida, ki je zelo pomembna za izvajanje GNSS-višinomerstva v geodetski praksi.

Language:Slovenian
Keywords:geoid, kvazigeoid, višinska referenčna ploskev, GNSS-višinomerstvo
Tipology:1.08 - Published Scientific Conference Contribution
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2011
Publisher:Zveza geodetov Slovenije
Number of pages:Str. 226-234
Numbering:Letn. 55, št. 2
ISSN:0351-0271
COBISS.SI-ID:5578337 This link opens in a new window
Views:1224
Downloads:520
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Record is a part of a proceedings

Title:Geodetski dan
COBISS.SI-ID:5598561 This link opens in a new window

Record is a part of a journal

Title:Geodetski vestnik
Shortened title:Geod. vestn.
Publisher:Zveza geodetov Slovenije
ISSN:0351-0271
COBISS.SI-ID:5091842 This link opens in a new window

Secondary language

Language:English
Title:The quality role of height system and geoid model in the realization of GNSS heighting
Abstract:
This paper presents a quality analysis and comparison of two height reference surfaces. The first is the actual geoid model from the year 2000, and the second is the test geoid model determined in the frame of the project Establishment of the European Reference System in Slovenia. Quality analysis is based on the comparison of geoid heights determined from measured ellipsoidal and mean-sea-level heights and geoid heights interpolated from the model. A comparison was made on 352 GNSS/levelling points.

Keywords:geoid, quasigeoid, height reference surface, GNSS heighting

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