Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Ansis Zarins"'
Publikováno v:
Remote Sensing, Vol 15, Iss 8, p 2032 (2023)
The geomagnetic storm on 17 March 2015 had a strong impact on the global navigation satellite systems (GNSS) positioning results in many GNSS Continuously Operating Reference Stations (CORS) in Europe. The analysis of global positioning system (GPS)
Externí odkaz:
https://doaj.org/article/2e15ebc88a554bdd877c80f50742ec32
Publikováno v:
Remote Sensing, Vol 15, Iss 8, p 2166 (2023)
Nowadays, zenith telescope-based digital zenith cameras (DZC), such as the COmpact DIgital Astrometric Camera (CODIAC) and VErtical by STArs (VESTA), are used to determine highly precise astrogeodetic deflections of the vertical (DoVs). The CODIAC an
Externí odkaz:
https://doaj.org/article/cb04b50d64d3431b90f49d05f3d1cd66
Digital zenith camera (DZC) VESTA (VErtical by STArs) was developed at the University of Latvia and has achieved an accuracy of 0.1 arcseconds.Currently, a detailed analysis of optimal measurement conditions and potential error sources of DZC VESTA i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45085198aa0036f2cc69e7737f484748
https://doi.org/10.5194/egusphere-egu23-1965
https://doi.org/10.5194/egusphere-egu23-1965
Publikováno v:
Journal of Applied Geodesy. 15:319-327
Since the development of GNSS techniques, the determination of a precise quasi-geoid model has become even more actual. In terms of this project the staff of the Institute of Geodesy and Geoinformatics (GGI) has developed a new quasi-geoid model base
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::343127a74b5ec6fd216fd6d7538b2e93
https://doi.org/10.1515/jag-2021-0030
https://doi.org/10.1515/jag-2021-0030
Publikováno v:
International Symposium on Applied Geoinformatics 2021.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58be9b5225ecb75226bd6d5dd2442a3d
https://doi.org/10.15659/isag2021.12525
https://doi.org/10.15659/isag2021.12525
Publikováno v:
International Symposium on Applied Geoinformatics 2021.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e0ff73b40653771b2d787f1acf53ec3
https://doi.org/10.15659/isag2021.12524
https://doi.org/10.15659/isag2021.12524
The portable digital zenith camera (DZC) VESTA (VErtical by STArs) determines the deflection of vertical (DoV) components as the difference between the direction to the ellipsoidal zenith (calculated from reference star observations, fixing precise t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1339212bc0a4541dcc2353f8077bf961
https://doi.org/10.5194/egusphere-egu21-9793
https://doi.org/10.5194/egusphere-egu21-9793
The digital zenith camera VESTA (VErtical by STArs) was designed by the Institute of Geodesy and Geoinformatics (GGI) of the University of Latvia and completed in 2016. By 2020 more than 400 terrestrial vertical deflection measurements were observed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59946bd732bd5baedb744c13b899ea01
https://doi.org/10.5194/egusphere-egu2020-20420
https://doi.org/10.5194/egusphere-egu2020-20420
The digital zenith camera VESTA (VErtical by STArs) was designed by the Institute of Geodesy and Geoinformatics (GGI) of the University of Latvia and completed in 2016. Since that more than 300 ter...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f2438559b183dd313e2c6209bc7ec8f
https://doi.org/10.1002/essoar.10501273.1
https://doi.org/10.1002/essoar.10501273.1