ESTIMATION OF VERTICAL ACCURACY OF DIGITAL TERRAIN MODEL FABDEM ON THE TERRITORY OF THE REPUBLIC OF SERBIA

Autor: Sanja Grekulovic, Oleg Odalovic, Miljana Todorovic Drakul, Dusan Petkovic

Publikováno v: 22nd International Multidisciplinary Scientific GeoConference SGEM 2022, Vol22, Issue 2.1

In 2004, a digital terrain model (DTM) was created in Serbia. It was obtained by vectorizing isohypses on topographic maps with a scale of 1: 25000. The resolution of the digital model of Serbia is 30 m, and the vertical accuracy, as the authors clai

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f0a36f2535b99a35e80e82d772f5750
https://doi.org/10.5593/sgem2022/2.1/s09.25

GNSS and SAR Signal Delay in Perturbed Ionospheric D-Region During Solar X-Ray Flares

Autor: V. M. Cadez, Milan Radovanović, Aleksandra Nina, Oleg Odalović, Miljana Todorovic Drakul, Giovanni Nico, Luka Č. Popović

Publikováno v: IEEE geoscience and remote sensing letters
17 (2020): 1198–1202. doi:10.1109/LGRS.2019.2941643
info:cnr-pdr/source/autori:Nina, Aleksandra; Nico, Giovanni; Odalovic, Oleg; Cadez, Vladimir M.; Todorovic Drakul, Miljana; Radovanovic, Milan; Popovic, Luka C./titolo:GNSS and SAR Signal Delay in Perturbed Ionospheric D-Region During Solar X-Ray Flares/doi:10.1109%2FLGRS.2019.2941643/rivista:IEEE geoscience and remote sensing letters (Print)/anno:2020/pagina_da:1198/pagina_a:1202/intervallo_pagine:1198–1202/volume:17
IEEE Geoscience and Remote Sensing Letters

We investigate the influence of the perturbed (by a solar X-ray flare) ionospheric D-region on the global navigation satellite systems (GNSS) and synthetic aperture radar (SAR) signals. We calculate a signal delay in the D-region based on the low ion

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca8e300790f6e5914950144f406cec8d

Testing straightness of line objects using total least squares

Autor: Branko Milovanović, I. Aleksic, Branko Bozic, Miljana Todorovic-Drakul, Jovan Popović

Publikováno v: Tehnika, Vol 72, Iss 2, Pp 187-191 (2017)

The paper presents the adaptation (fitting) of a set of points, with an estimated two-dimensional positions, to the straight line model of the by the application of the Weighted Total Least Squares, WTLS. The traditional method to solve this problem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95a607610bb24bec2c175b0c91800454
https://doi.org/10.5937/tehnika1702187p

Modeliranje ekstremnih vrijednosti ukupnog sadržaja elektrona na području Srbije

Autor: Miljana Todorovic Drakul, Sanja Grekulović, Mileva Samardžić Petrović, Oleg Odalović, Dragan Blagojević

Publikováno v: Geofizika
Volume 34
Issue 2

This paper is dedicated to modeling extreme TEC (Total Electron Content) values at the territory of Serbia. For the extreme TEC values, we consider the maximum values from the peak of the 11-year cycle of solar activity in the years 2013, 2014 and 20

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb807be95775454afa2bc8beeda1eae9
https://grafar.grf.bg.ac.rs/handle/123456789/1937

Variations of Total Electron Content over Serbia during the increased solar activity period in 2013 and 2014

Autor: Dragan Blagojević, Miljana Todorović Drakul, Oleg Odalović, Sanja Grekulović, Jovan Popović, Danilo Joksimović

Publikováno v: Geodetski Vestnik, Vol 60, Iss 4, Pp 734-744 (2016)

To understand general ionosphere properties over Serbia, an analysis of temporal and spatial ionosphere Total Electron Content (TEC) over the region was performed. The present research focuses on daily, seasonal and spatial ionosphere variations, ba

Externí odkaz: https://doaj.org/article/de6097bcda664d7ba4be801e8657115e