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Analiza mogućnosti definisanja i realizacije državnog prostornog geodetskog referentnog sistema na bazi globalnog terestričkog referentnog sistema

Analysis of Definition and Realization Possibility of the National Spatial Geodetic Reference system Based on Global Terrestrial Reference System.

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Disertacija.pdf (21.98Mb)
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Author
Savanović, Rajko M.
Mentor
Blagojević, Dragan
Committee members
Aleksić, Ivan R.
Janić, Milorad
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Abstract
Doktorska disertacija posvećena je formulisanju odgovarajućeg modela transformacije prostornih podataka između globalnog i lokalnog geodetskog referentnog sistema na području Republike Srbije, pri čemu se u najvećoj meri obuhvataju distorzije i deformacije u realizaciji jednog ili oba sistema. U cilju istraživanja novih načina modelovanja distorzija geodetske mreže određeni su globalni transformacioni parametri primenom međudatumske Helmertove T7D transformacije sličnosti i FIT transformacijom zasnovanoj na modelu direktne projekcije. Distorzije su modelovane primenom sledećih modela: Briggs-og MCS modela, LSC modela sa korelacionom dužinom od 30 km, TIN modela sa težinom 1 e i i p  d za eksponent e 1.00 i za eksponent e  2.00 . Međusobnim poređenjem statističkih pokazatelja utvrđeno je da se najbolji rezultati modelovanja distorzija u tačkama geodetske mreže dobijaju primenom kolokacije po metodi najmanjih kvadrata, sa korelacionom dužinom od 30 km i to nakon FIT transformacije, tj.... primenom FIT+LSC30 modela. Za vrednosti standardne devijacije razlike reziduala po koordinatnim osama dobija se 0.044m i 0.041m, dE dN     dok je standardna devijacija vektora horizontalnog položaja 0.043m dp   .

Doctoral dissertation is dedicated to the formulation of an appropriate model of spatial information transformation between the global and local geodetic reference system on the territory of the Republic of Serbia, whereby distortions and deformations in the realization of one or both systems are largely taken into account. In order to study new ways of geodetic network distortion modeling, global transformation parameters have been determined using Helmert T7D datum transformation of similarities and FIT transformation based on the model of direct projection. Distortions have been modeled using the following models: Briggs MCS model, LSC model with correlation length of 30km, TIN model with weight 1 e i i p  d for the exponent e 1.00 and for the exponent e  2.00 . Through mutual comparison of statistical indicators, it has been found that the best results of distortion modeling in geodetic network points are obtained using collocation by the least squares method, with the correlati...on length of 30 km, this being done after FIT transformation, i.e. applying FIT + LSC30 model. For the difference of the residuals standard deviation values obtained on coordinate axes are: 0.044m and 0.041m, dE dN     while the standard deviation of the horizontal position vector is 0.043m dp   .

Faculty:
Универзитет у Београду, Грађевински факултет
Date:
29-11-2017
Keywords:
geodetski referentni sistem / geodetic reference system / geodetic datum / least squares method / Helmert transformation / direct projection / distortion modeling / residuals prediction / geodetski datum / metod najmanjih kvadrata / Helmertova transformacija / direktna projekcija / modelovanje distorzija / predikcija reziduala
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Handle
https://hdl.handle.net/21.15107/rcub_nardus_9465
URI
https://nardus.mpn.gov.rs/handle/123456789/9465
http://eteze.bg.ac.rs/application/showtheses?thesesId=5782
https://fedorabg.bg.ac.rs/fedora/get/o:17649/bdef:Content/download
http://vbs.rs/scripts/cobiss?command=DISPLAY&base=70036&RID=513763730

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