Search results

  1. 1.
    0585621 - ÚFA 2025 RIV CZ eng L4 - Software
    Urbář, Jaroslav - Česák, P. - Neuwirth, Z. - Suchánek, P. - Sysala, R.
    Algoritmus odhadu vlivu chyb založený na AI.
    [Septentrio GNSS receiver altitude and VPL error AI nowcast models.]
    Internal code: TM03000027-V7 ; 2023
    Technical parameters: The set of 4 time-series RNN models each providing time behavior of one of the parameters relevant to altitude positioning deviations, i.e.: altitude error for either of Septentrio Mosaic and PolaRxS measurements; vertical protection level (VPL) for either of Septentrio Mosaic and PolaRxS measurements.
    Economic parameters: typový projekt - zvýšení přesnosti měření GNSS
    R&D Projects: GA TA ČR(CZ) TM03000027
    Institutional support: RVO:68378289
    Keywords : GNSS * ionosphere * irregularities * MSTID
    OECD category: Communication engineering and systems
    Permanent Link: https://hdl.handle.net/11104/0353314
     
     
  2. 2.
    0582262 - ÚPT 2024 RIV US eng C - Conference Paper (international conference)
    Schuldt, T. - Abich, K. - Alam, T. - Bischof, J. - Blomberg, T. - Blümel, L. - Boac, A. - Bußmeier, A. - Gohlke, M. - Kuschewski, F. - Oswald, M. - Wüst, J. - Zechel, T. - Amigues, X. - Eckardt, A. - Halle, W. - Zender, B. - Hrabina, Jan - Oulehla, Jindřich - Bawamia, A. - Döringshoff, K. - Kürbis, C. - Krutzik, M. - Wicht, A. - Oschkera, S. - Jentsch, M. - Schweikle, S. - Speidel, C. - Beller, N. - Dahl, C. - Großmann, M. - Liebherr, T. - Voss, K.-C. - Braxmaier, C.
    In-Orbit Verification of an Optical Frequency Reference on the ISS Bartolomeo Platform.
    International Conference on Space Optics - ICSO 2022. Bellingham: SPIE, 2023 - (Minoglou, K.; Karafolas, N.; Cugny, B.), Roč. 12777 (2023), č. článku 127772A. Proceedings of SPIE, 12777. ISBN 9781510668034. ISSN 0277-786X.
    [International Conference on Space Optics - ICSO 2022 /14./. Dubrovnik (HR), 03.10.2022-07.10.2022]
    Institutional support: RVO:68081731
    Keywords : COMPASSO * GNSS * modulation transfer spectroscopy * optical clock * optical frequency reference * satellite navigation
    OECD category: Optics (including laser optics and quantum optics)
    https://www.spiedigitallibrary.org/conference-proceedings-of-spie/12777/2689976/In-orbit-verification-of-an-optical-frequency-reference-on-the/10.1117/12.2689976.full#_=_
    Permanent Link: https://hdl.handle.net/11104/0350583
     
     
  3. 3.
    0579345 - ÚPT 2025 RIV DE eng J - Journal Article
    Kuschewski, F. - Wüst, J. - Oswald, M. - Blomberg, T. - Gohlke, M. - Bischof, J. - Boac, A. - Alam, T. - Bußmeier, A. - Abich, K. - Röder, N. - Döringshof, K. - Hrabina, Jan - Holá, Miroslava - Oulehla, Jindřich - Schuldt, T. - Braxmaier, C.
    COMPASSO mission and its iodine clock: outline of the clock design.
    GPS Solutions. Roč. 28, č. 1 (2024), č. článku 10. ISSN 1080-5370. E-ISSN 1521-1886
    Institutional support: RVO:68081731
    Keywords : COMPASSO * GNSS * Galileo * Optical clock * Modulation transfer spectroscopy * Absolute frequency reference
    Impact factor: 4.9, year: 2022
    Method of publishing: Open access
    https://link.springer.com/article/10.1007/s10291-023-01551-0
    Permanent Link: https://hdl.handle.net/11104/0348184
     
     
  4. 4.
    0574082 - GFÚ 2024 RIV US eng J - Journal Article
    González-Vidal, D. - Moreno, M. - Sippl, Christian - Báez, J. C. - Ortega-Culaciati, F. - Lange, D. - Tilmann, F. - Socquet, A. - Bolte, J. - Hormazábal, J. - Langlais, M. - Morales-Yáñez, C. - Melnick, D. - Benavente, R. - Münchmeyer, J. - Araya, R. - Heit, B.
    Relation between oceanic plate structure, patterns of interplate locking and microseismicity in the 1922 Atacama seismic gap.
    Geophysical Research Letters. Roč. 50, č. 15 (2023), č. článku e2023GL103565. ISSN 0094-8276. E-ISSN 1944-8007
    EU Projects: European Commission(XE) 947856 - MILESTONE
    Institutional support: RVO:67985530
    Keywords : Atacama 1922 seismic gap * Chile * GNSS * interplate locking * locking degree * seismic catalog
    OECD category: Volcanology
    Impact factor: 5.2, year: 2022
    Method of publishing: Open access
    https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2023GL103565
    Permanent Link: https://hdl.handle.net/11104/0344458
    FileDownloadSizeCommentaryVersionAccess
    Gonzalez-Vidal2023GRL.pdf37.5 MBPublisher’s postprintopen-access
     
     
  5. 5.
    0572266 - ÚFA 2024 RIV CH eng J - Journal Article
    Berényi, K. A. - Heilig, B. - Urbář, Jaroslav - Kouba, Daniel - Kis, Á. - Barta, V.
    Comprehensive analysis of the ionospheric response to the largest geomagnetic storms from solar cycle 24 over Europe.
    Frontiers in Astronomy and Space Sciences. Roč. 10, April (2023), č. článku 1092850. E-ISSN 2296-987X
    Institutional support: RVO:68378289
    Keywords : geomagnetic storms * space weather * ionosphere * ionospheric storm * Swarm observations * midlatitude ionospheric trough * GNSS TEC * ionosphere-plasmasphere coupling
    OECD category: Meteorology and atmospheric sciences
    Impact factor: 3, year: 2022
    Method of publishing: Open access
    https://www.frontiersin.org/articles/10.3389/fspas.2023.1092850/full
    Permanent Link: https://hdl.handle.net/11104/0343029
    FileDownloadSizeCommentaryVersionAccess
    0572266_Frontiers in Astronomy_Urbář_2023.pdf28.8 MBPublisher’s postprintrequire
     
     
  6. 6.
    0570606 - ÚFA 2023 RIV CZ eng V - Research Report
    Urbář, Jaroslav - Suchánek, P. - Chum, Jaroslav
    TM03000027-V6: ESC 3 - Posouzení vlivu na přesnost navigačních systémů GNSS - Evaluation of factors influencing the GNSS positioning accuracy.
    Praha: evolving system consulting s.r.o, 2022. 26 s.
    R&D Projects: GA TA ČR(CZ) TM03000027
    Institutional support: RVO:68378289
    Keywords : medium-scale traveling ionospheric disturbances (MSTIDs) * Global Navigation Satellite System (GNSS) * GADIOD * GNSS
    OECD category: Meteorology and atmospheric sciences
    Permanent Link: https://hdl.handle.net/11104/0341930
    FileDownloadSizeCommentaryVersionAccess
    GA-V6-ESC-006_final.pdf63.6 MBAuthor´s preprintrequire
     
     
  7. 7.
    0547698 - ASÚ 2022 RIV CH eng J - Journal Article
    Bezděk, Aleš - Kostelecký Jr., J. - Sebera, Josef - Hitziger, T.
    GNSS Profile from the Greenland Korth Expeditions in the Context of Satellite Data.
    Applied Sciences-Basel. Roč. 11, č. 3 (2021), č. článku 1115. E-ISSN 2076-3417
    R&D Projects: GA MŠMT(CZ) LTT18011
    Institutional support: RVO:67985815
    Keywords : greenland ice * GNSS * gravimetry
    OECD category: Astronomy (including astrophysics,space science)
    Impact factor: 2.838, year: 2021
    Method of publishing: Open access
    Permanent Link: http://hdl.handle.net/11104/0323885
    FileDownloadSizeCommentaryVersionAccess
    547698.pdf16.6 MBPublisher’s postprintopen-access
     
     
  8. 8.
    0534723 - ÚGN 2021 RIV NL eng J - Journal Article
    Roštínský, Pavel - Pospíšil, P. - Švábenský, O. - Kašing, M. - Nováková, Eva
    Risk faults in stable crust of the eastern Bohemian Massif identified by integrating GNSS, levelling, geological, geomorphological and geophysical data.
    Tectonophysics. Roč. 785, June 2020 (2020), č. článku 228427. ISSN 0040-1951. E-ISSN 1879-3266
    Institutional support: RVO:68145535
    Keywords : Bohemian Massif * GNSS geodetic data * horizontal movement * geodynamic model * recently active fault * seismic hazard
    OECD category: Physical geography
    Impact factor: 3.933, year: 2020
    Method of publishing: Limited access
    https://www.sciencedirect.com/science/article/pii/S0040195120301104?via%3Dihub
    Permanent Link: http://hdl.handle.net/11104/0312905
    FileDownloadSizeCommentaryVersionAccess
    UGN_0534723.pdf217.5 MBPublisher’s postprintrequire
     
     
  9. 9.
    0524040 - ÚFA 2021 RIV DE eng J - Journal Article
    Yasyukevich, Y.V. - Kiselev, A.V. - Zhivetiev, I.V. - Edemskiy, Ilya K. - Syrovatskii, S.V. - Maletckii, B.M. - Vesnin, A.M.
    SIMuRG: System for Ionosphere Monitoring and Research from GNSS.
    GPS Solutions. Roč. 24, č. 3 (2020), č. článku 69. ISSN 1080-5370. E-ISSN 1521-1886
    Institutional support: RVO:68378289
    Keywords : Total electron content * Ionosphere * GPS * GLONASS * GNSS * Ionospheric irregularities
    OECD category: Meteorology and atmospheric sciences
    Impact factor: 4.066, year: 2020
    Method of publishing: Limited access
    https://link.springer.com/article/10.1007/s10291-020-00983-2
    Permanent Link: http://hdl.handle.net/11104/0308355
    FileDownloadSizeCommentaryVersionAccess
    0524040_Edemskiy_2020.pdf13.3 MBAuthor’s postprintrequire
     
     
  10. 10.
    0491847 - ÚPT 2018 RIV US eng C - Conference Paper (international conference)
    Čížek, Martin - Pravdová, Lenka - Hucl, Václav - Řeřucha, Šimon - Hrabina, Jan - Jelínek, Michal - Mikel, Břetislav - Lazar, Josef - Číp, Ondřej
    Phase-Coherent Transfer of Optical Frequency Between ISI CAS and CESNET.
    European Frequency and Time Forum (EFTF) 2018 (Proceedings). Piscataway: IEEE, 2018, s. 293-295. ISBN 978-1-5386-5620-4.
    [European Frequency and Time Forum (EFTF) 2018. Torino (IT), 10.04.2018-12.04.2018]
    R&D Projects: GA TA ČR TH01011254; GA ČR GB14-36681G
    Institutional support: RVO:68081731
    Keywords : optical fibre link * stable optical frequency transfer * GNSS * DWDM
    OECD category: Optics (including laser optics and quantum optics)
    Permanent Link: http://hdl.handle.net/11104/0285458
     
     

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