diplomska naloga
Peter Čadež (Author), Bojan Stopar (Mentor), Tomaž Ambrožič (Thesis defence commission member), Dušan Kogoj (Thesis defence commission member), Oskar Sterle (Co-mentor)

Abstract

Analiza metod Geodetske GNSS izmere

Keywords

geodezija;diplomska dela;UNI;GNSS;statična metoda;RTK;VRS;Precise Point Positioning;

Data

Language: Slovenian
Year of publishing:
Source: Ljubljana
Typology: 2.11 - Undergraduate Thesis
Organization: UL FGG - Faculty of Civil and Geodetic Engineering
Publisher: [P. Čadež]
UDC: 528.28(043.2)
COBISS: 4948065 Link will open in a new window
Views: 2801
Downloads: 796
Average score: 0 (0 votes)
Metadata: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Other data

Secondary language: English
Secondary title: Analysis of geodetic GNSS survey measurements
Secondary abstract: This graduation thesis analyzes the quality of coordinates determined with geodetic GNSS surveying methods. In the first part, the relative methods, RTK and static method are analyzed. The quality of coordinates obtained from terrestrial measurements under different conditions (almost ideal and very poor), is established. Furthermore, the quality of determined coordinates with regard to GNSS permanent station in Ljubljana (GSR1) is analyzed, based on GPS observations only, GPS + GLONASS observations and VRS concept (Virtual Reference Station), which is most used in practice. In the second part, graduation thesis analyses Precise Point Positioning method. It presents the principle of the method, biases and errors that have the greatest impact on the quality of coordinates, and its use in surveying practice. The quality of coordinates depending on the length of time observations, the interval of observations and the registration number and distribution of satellites at the time of observation is analyzed. Than four web providers of PPP method are presented: CSRS-PPP, GAPS, APPS, and MagicGNSS and the differences of derived coordinates and the coordinates obtained with all three methods PPP, static and RTK are analyzed. Finally, the advantages and disadvantages of PPP method, its practical application in present and usefulness of the method in the future are evaluated.
Secondary keywords: graduation thesis;geodesy;GNSS;static method;RTK;VRS;Precise Point Positioning;
File type: application/pdf
Type (COBISS): Undergraduate thesis
Thesis comment: Univ. Ljubljana, Fak. za gradbeništvo in geodezijo
Pages: XIII, 119 str., pril.
Type (ePrints): thesis
Title (ePrints): Analysis of Geodetic GNSS Survey Measurements
Keywords (ePrints): geodezija;GNSS;statična metoda;RTK;VRS;Precise Point Positioning
Keywords (ePrints, secondary language): Geodesy;GNSS;static method;RTK;VRS;Precise Point Positioning
Abstract (ePrints): V diplomski nalogi smo analizirali kakovost določitve koordinat točk z geodetskimi metodami izmere GNSS. V prvem delu smo analizirali relativni metodi izmere GNSS, statično metodo in metodo RTK. Pri tem smo ugotavljali kakovost koordinat, pridobljenih na podlagi podatkov terenskih meritev, izvedenih v različnih razmerah, skoraj idealnih in zelo slabih. Analizirali smo tudi kakovost določitve koordinat točk, glede na permanentno postajo GNSS v Ljubljani (GSR1), na osnovi samo opazovanj GPS ter opazovanj GPS in GLONASS ter uporabo koncepta VRS (angl. Virtual Reference Station), ki je v praksi najbolj uporabljena. V drugem delu smo analizirali metodo Precise Point Positioning (PPP). Predstavili smo princip metode, vplive in pogreške, ki imajo največji vpliv na kakovost koordinat ter uporabnost metode v geodetski praksi. Analizirali smo kakovost koordinat v odvisnosti od dolžine trajanja opazovanj, intervala registracije opazovanj ter števila in razporeditve satelitov v času opazovanj. Predstavili smo štiri ponudnike spletnih storitev metode PPP: CSRS- PPP, GAPS, APPS in MagicGNSS in analizirali ugotovljene razlike pridobljenih koordinat ter koordinate, pridobljene z vsemi tremi metodami PPP, statično in RTK. Na koncu smo ocenili prednosti in slabosti metode PPP, njeno današnjo praktično uporabnost ter skušali ovrednotiti uporabnost metode PPP v prihodnosti.
Abstract (ePrints, secondary language): This graduation thesis analyzes the quality of coordinates determined with geodetic GNSS surveying methods. In the first part, the relative methods, RTK and static method are analyzed. The quality of coordinates obtained from terrestrial measurements under different conditions (almost ideal and very poor), is established. Furthermore, the quality of determined coordinates with regard to GNSS permanent station in Ljubljana (GSR1) is analyzed, based on GPS observations only, GPS + GLONASS observations and VRS concept (Virtual Reference Station), which is most used in practice. In the second part, graduation thesis analyses Precise Point Positioning method. It presents the principle of the method, biases and errors that have the greatest impact on the quality of coordinates, and its use in surveying practice. The quality of coordinates depending on the length of time observations, the interval of observations and the registration number and distribution of satellites at the time of observation is analyzed. Than four web providers of PPP method are presented: CSRS-PPP, GAPS, APPS, and MagicGNSS and the differences of derived coordinates and the coordinates obtained with all three methods PPP, static and RTK are analyzed. Finally, the advantages and disadvantages of PPP method, its practical application in present and usefulness of the method in the future are evaluated.
Keywords (ePrints, secondary language): Geodesy;GNSS;static method;RTK;VRS;Precise Point Positioning
ID: 8309386