Browsing by Department "Geodezijos institutas / Research Institute of Geodesy"

Dabar rodomi įrašai 1-20 iš 26

    • 2nd Swiss Baltic geodetic science week 

      Bručas, Domantas; Būga, Arūnas (Geodezija ir kartografija, 2007)

    • An analysis of choosing gravity anomalies for solving problems in geodesy, geophysics and environmental engineering 

      Puškorius, Vytautas; Paršeliūna, Eimuntas; Petroškevičius, Petras; Obuchovski, Romuald (11th International Conference “Environmental Engineering” (ICEE-2020), 2020)
      Gravity anomalies provide valuable information about the Earth‘s gravity field. They are used for solving various geophysical and geodetic tasks, mineral and oil exploration, geoid and quasi-geoid determination, geodynamic ...

    • An analysis of RTK network LitPOS performance 

      Baniulis, Rimvydas; Galinauskas, Karolis; Marozas, Leonardas; Paršeliūnas, Eimuntas; Petniūnas, Marius (10th International Conference “Environmental Engineering” (ICEE-2017), 2017)
      RTK (Real Time Kinematic) method for positioning is used in daily life by different consumers for many purposes. When there are so many measurements, it is essential to know where RTK measurements are concentrated and which ...

    • Analysis of secular variations of geomagnetic field in Lithuania based on the survey in 2016 

      Būga, Arūnas; Einorytė, Simona; Obuchovski, Romuald; Puškorius, Vytautas; Petroškevičius, Petras (10th International Conference “Environmental Engineering” (ICEE-2017), 2017)
      Lithuania is successfully integrated in the European geomagnetic field research activities. Six secular variation research stations were established in 1999 and precise geomagnetic field measurements were performed there ...

    • Analysis of the calibration quality of the Kyviškės calibration baseline 

      Būga, Arūnas; Birvydienė, Rosita; Kolosovskis, Ričardas; Krikštaponis, Boleslovas; Obuchovski, Romuald; Paršeliūnas, Eimuntas Kazimieras; Putrimas, Raimundas; Šlikas, Dominykas (Acta Geodaetica et Geophysica, 2016)
      The authors of the paper present analysis of the baseline calibration results that they have performed. The Kyviškės Calibration Baseline (1320 m) is the longest calibration baseline in Lithuania. The baseline was established ...

    • Continuation of research on magnetic field secular variation in Lithuania 

      Petroškevičius, Petras; Būga, Arūnas; Obuchovski, Romuald (The 7th International conference "Environmental engineering": selected papers, May 22-23, 2008 Vilnius, Lithuania. Vol. 3, 2008)
      Periodical measurements of magnetic field parameters at the same places are important for research of geomagnetic field secular variations. A recent stage of the magnetic surveying activities in Lithuania was started by ...

    • Continuation of research on magnetic field secular variation in Lithuania 

      Petroškevičius, Petras; Būga, Arūnas; Obuchovski, Romuald (The 7th International conference "Environmental engineering". May 22-23, 2008 Vilnius, Lithuania : proceedings [CD], 2008)
      Periodical measurements of magnetic field parameters at the same places are important for research of geomagnetic field secular variations. A recent stage of the magnetic surveying activities in Lithuania was started by ...

    • Estimation of gravity field non-homogeneity and variation for the vertical network observations 

      Petroškevičius, Petras; Popovas, Darius; Krikštaponis, Boleslovas; Putrimas, Raimundas; Būga, Arūnas; Obuchovski, Romuald (The 7th International conference "Environmental engineering": selected papers, May 22-23, 2008 Vilnius, Lithuania. Vol. 3, 2008)
      Lithuanian National Geodetic Vertical First Order Network was established for creation of up to date geodetic height reference which fulfils international requirements. Observation data of vertical network are under process ...

    • Estimation of gravity field non-homogeneity and variation for the vertical network observations 

      Petroškevičius, Petras; Popovas, Darius; Krikštaponis, Boleslovas; Putrimas, Raimundas; Būga, Arūnas; Obuchovski, Romuald (The 7th International conference "Environmental engineering". May 22-23, 2008 Vilnius, Lithuania : proceedings [CD], 2008)
      Lithuanian National Geodetic Vertical First Order Network was established for creation of up to date geodetic height reference which fulfils international requirements. Observation data of vertical network are under process ...

    • EUPOS initiative meeting and conference in Vilnius 

      Būga, Arūnas (Geodezija ir kartografija, 2007)

    • Final results of establishment of the geodetic vertical second order network of Lithuania 

      Birvydienė, Rosita; Butkus, Algirdas; Būga, Arūnas; Dedela, Ramūnas; Kolosovskis, Ričardas; Krikštaponis, Boleslovas; Musteikis, Arvydas; Neseckas, Algirdas; Obuchovski, Romuald; Paršeliūnas, Eimuntas; Petniūnas, Marius; Petroškevičiu, Petras; Puškorius, Vytautas; Putrimas, Raimundas; Skuodis, Gediminas; Stepanovienė, Jadvyga; Šlikas, Dominykas; Šorys, Tautvydas; Tumelienė, Eglė; Valotka, Simonas; Viskontas, Povilas; Zigmantienė, Evelina (10th International Conference “Environmental Engineering” (ICEE-2017), 2017)
      The methodology of all kinds of geodetic measurements of the Geodetic Vertical Second Order Network, the information on the observation data received and main results of the accuracy estimation and adjustment of the network ...

    • Ledo judesių įtaka gravimetriniams matavimams ant vandens paviršių 

      Puškorius, Vytautas; Paršeliūnas, Eimuntas Kazimieras (Civilinė inžinerija ir geodezija: 22-osios jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ teminė konferencija / Civil engineering and geodesy: 22nd Conference for Junior Researchers "Science - Future of Lithuania", 2019)
      Sunkio laukui nustatyti Lietuvos teritorijoje svarbu turėti didelio tikslumo ir tankumo gravimetrinius duomenis. Siekiant sumodeliuoti gravitacijos lauką teritorijoje, būtina įtraukti ir ežeringas teritorijas. Dideli ežerai, ...

    • Lietuvos valstybinio geodezinio tinklo vertikaliojo pirmosios klasės tinklo sudarymas 

      Būga, Arūnas; Krikštaponis, Boleslovas; Petroškevičius, Petras; Putrimas, Raimundas; Zakarevičius, Algimantas (XIII pasaulio lietuvių mokslo ir kūrybos simpoziumas : Vilnius, 2005 m. birželio 30 d. - liepos 4 d. : tezių rinkinys / Lietuvos Respublikos švietimo ir mokslo ministerija, Lietuvos mokslų akademija, Lietuvos mokslininkų sąjunga, 2005)

    • LitPOS – a part of EUPOS® 

      Paršeliūnas, Eimuntas Kazimieras; Būga, Arūnas; Marozas, Leonardas; Petniūnas, Marius; Urbanas, Saulius (Geodezija ir kartografija, 2008)
      LitPOS (Lithuanian Positioning System), the network of permanent reference GNSS stations, became operational in July 2007. It provides data both for real-time and post-processing applications. LitPOS stations cover the ...

    • New research on gravity field in Lithuanian territory 

      Petroškevičius, Petras; Obuchovski, Romuald; Birvydienė, Rosita; Kolosovskis, Ričardas; Putrimas, Raimundas; Krikštaponis, Boleslovas; Macijauskas, Dovydas; Musteikis, Arvydas; Skuodis, Gediminas; Šorys, Tautvydas; Valotka, Simonas; Ringelevičius, Mantas; Puškorius, Vytautas (10th International Conference “Environmental Engineering” (ICEE-2017), 2017)
      New research of Lithuanian territory gravity field was started in 2016 with aim to improve accuracy of quasigeoid as well as accuracy of normal heights determined by methods of satellite geodesy. Obtained data could be ...

    • Research on magnetic declination in Lithuanian territory 

      Petroškevičius, Petras; Būga, Arūnas; Obuchovski, Romuald (Aviation-2007 & Aviation technologies : abstracts of the international conferences, held on April 18, 2007, Vilnius, Lithuania, 2007)

    • Research on magnetic declination in Lithuanian territory 

      Obuchovski, Romuald; Petroškevičius, Petras; Būga, Arūnas (Aviation, 2008)
      Magnetic declination is the angle between the planes of the astronomic and magnetic meridians. Magnetic declination is used in navigation, geophysics, geodesy, cartography, geology, and other fields. Magnetic declination ...

    • Santykiniai gravimetriniai matavimai ledu padengtose ežeringose teritorijose 

      Puškorius, Vytautas; Paršeliūnas, Eimuntas Kazimieras (Civilinė inžinerija ir geodezija: 21-osios jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ teminė konferencija / Civil engineering and geodesy: 21st Conference for Junior Researchers "Science - Future of Lithuania", 2018)
      Lietuvos teritorijos gravitacijos lauko tyrimai, kurių tikslas – padidinti geoido tikslumą, o kartu ir normalinių aukščių, nustatomų kosminės geodezijos metodais, tikslumą, atliekami nuo 2016 metų. Modeliuojant gravitacijos ...

    • Some features of pre-processing of RTK network LitPOS (Lithuania) data applying Bernese software 

      Baniulis, Rimvydas; Galinauskas, Karolis; Paršeliūnas, Eimuntas; Petniūnas, Marius (10th International Conference “Environmental Engineering” (ICEE-2017), 2017)
      LitPOS (Lithuanian Positioning System), the network of permanent reference GNSS stations, became operational in July 2007. It provides data both for real-time and post-processing applications. LitPOS stations cover the ...

    • Some preliminary results of an analysis of coordinates time series of RTK network LitPos 

      Galinauskas, Karolis; Baniulis, Rimvydas; Paršeliūna, Eimuntas; Petniūnas, Marius (10th International Conference “Environmental Engineering” (ICEE-2017), 2017)
      LitPOS (Lithuanian Positioning System), the network of permanent reference GNSS stations, became operational in July 2007. It provides data both for real-time and post-processing applications. Coordinate time series were ...