diplomska naloga
Urška Drešček (Author), Bojan Stopar (Mentor), Dušan Kogoj (Thesis defence commission member), Božo Koler (Thesis defence commission member)

Abstract

Diplomska naloga obravnava primerjavo različnih metod izmere GNSS za ugotavljanje majhnih premikov točk v geodetski mreži. V uvodu so predstavljene teoretične osnove delovanja tehnologije GNSS, značilnosti posameznih metod izmere GNSS in način ugotavljanja premikov v geodetskih nalogah. V glavnem delu naloge je opisan praktični primer uporabe treh metod izmere GNSS za ugotavljanje majhnih premikov točk. Prikazan je celoten postopek merjenja premikov od terenske izmere, obdelave meritev do izračuna premikov in testne statistike. Primerjavo metod smo izvedli za statično, kinematično in RTK metodo izmere, tako da smo na izbrani točki v geodetski mreži izvajali premike različnih velikosti, od 1 do nekaj cm in od 1 do 3 mm. Položaj izbrane točke smo določili relativno na različne referenčne postaje. Premiki so bili izračunani na tri različne načine, glede na začetni položaj, kot razlika med zaporednimi položaji in glede na razliko med povprečnimi vrednostmi položaja med premiki. Na koncu je prikazan tudi izračun natančnosti premikov in izračun testne statistike, ki jo lahko uporabimo v zahtevnejši analizi ugotavljanja premikov in je sestavljena iz velikosti ter standardnega odklona obravnavanega premika.

Keywords

geodezija;diplomska naloga;UNI;tehnologija GNSS;metode izmere GNSS;majhni premiki točk;referenčna postaja;ugotavljanje premikov;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FGG - Faculty of Civil and Geodetic Engineering
Publisher: [U. Drešček]
UDC: 528.28(043.2)
COBISS: 6626657 Link will open in a new window
Views: 1600
Downloads: 466
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Other data

Secondary language: English
Secondary title: Comparison of GNSS survey methods for the determination of small displacements
Secondary abstract: The graduation thesis discusses the comparison of different GNSS survey methods for the determination of small displacements of points in a geodetic network. Firstly, the theoretical basics of GNSS technology operation, the characteristics of GNSS methods and the procedure for the determination of displacements are presented. In the main part, the practical use of GNSS methods for detecting small point displacements is described. Moreover, the whole procedure for measuring small displacements is introduced - from fieldwork, measurement processing and computation of point displacements to test statistics. The comparison of different GNSS methods has been made for static, kinematic and RTK method by performing point displacements of the selected point in the geodetic network, from 1 to several cm and from 1 to 3 mm. Position of the selected point has been computed relatively to different reference stations. Point displacements have been determined in three different ways; according to initial position of selected point, as a difference between consecutive positions and according to the difference between average positions. Furthermore, the computation of the accuracy of displacements and the computation of test statistic, which could be used for the advanced analysis of displacements and consists of the size and the standard deviation of the discussed point displacement, has been presented.
Secondary keywords: GNSS technology;GNSS survey methods;small point displacements;reference station;determination of displacements;
File type: application/pdf
Type (COBISS): Undergraduate thesis
Thesis comment: Univ. v Ljubljani, Fak. za gradbeništvo in geodezijo
Pages: XII, 96 str., 1 pril.
ID: 8636182