Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Vadim E. Gherm"'
Publikováno v:
2022 3rd URSI Atlantic and Asia Pacific Radio Science Meeting (AT-AP-RASC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0dcc734c5dc16f30288719309bad856c
https://doi.org/10.23919/at-ap-rasc54737.2022.9814372
https://doi.org/10.23919/at-ap-rasc54737.2022.9814372
Publikováno v:
2022 3rd URSI Atlantic and Asia Pacific Radio Science Meeting (AT-AP-RASC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d64cefc003ac30a66c9f429ca6f8d6ae
https://doi.org/10.23919/at-ap-rasc54737.2022.9814287
https://doi.org/10.23919/at-ap-rasc54737.2022.9814287
Autor:
Vadim E. Gherm, Nikolay N. Zernov
Publikováno v:
Radio Science. 50:168-176
The physics-based software simulator of the Global Navigation Satellite System signals on the transionospheric paths of propagation is presented, which provides the possibility for generating the field amplitude and phase random time series in the co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d57630ba5d6478f7aa443ce4d0416c8
https://doi.org/10.1002/2014rs005604
https://doi.org/10.1002/2014rs005604
Autor:
Vadim E. Gherm, Nikolay N. Zernov
Publikováno v:
2016 URSI International Symposium on Electromagnetic Theory (EMTS).
the analytical technique and its numerical realizations are presented allowing for studying different regimes of the high frequency wave field strong scintillation, which may be formed when propagating in the stochastic transionospheric channel.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ded145e3be3295f74d3e2b3e4282b44
https://doi.org/10.1109/ursi-emts.2016.7571320
https://doi.org/10.1109/ursi-emts.2016.7571320
Publikováno v:
2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC).
Scintillation of the transionospheric VHF/UHF signals caused by stochastic time-dependent variations of electron density of the ionosphere may significantly affect performance of GNSS and may be responsible for positioning degradation and even lead t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a04e9f7b2db8ba6515116df8a176989
https://doi.org/10.1109/ursi-at-rasc.2015.7303126
https://doi.org/10.1109/ursi-at-rasc.2015.7303126
Autor:
Nikolay N. Zernov, Vadim E. Gherm
Publikováno v:
2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC).
The paper presents a review of the analytical techniques for treating various effects of the high-frequency wave field propagation in the inhomogeneous ionosphere with local variations of the electron density, and the results of their numerical model
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5fba05ad476b0232c5a26a27584ed2e
https://doi.org/10.1109/ursi-at-rasc.2015.7302902
https://doi.org/10.1109/ursi-at-rasc.2015.7302902
Publikováno v:
Acta Geodaetica et Geophysica Hungarica. 37:271-280
The propagation model for signal fluctuations on transionospheric radio links previously developed by the authors has been further extended to be capable of describing some new applications e.g. spatial coherency of the field, or the time-correlation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d28c45792ed2e9f4e17f124946beebb2
https://doi.org/10.1556/ageod.37.2002.2-3.16
https://doi.org/10.1556/ageod.37.2002.2-3.16
Publikováno v:
Acta Geodaetica et Geophysica Hungarica. 37:253-259
Three-moded random ionospheric HF channel of propagation has been investigated. The description of the channel has been given in terms of the scattering function and the appropriate codes for numerical calculations allowed assessment of the relative
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::797756346af144b0d7b39e0ec0054cd0
https://doi.org/10.1556/ageod.37.2002.2-3.14
https://doi.org/10.1556/ageod.37.2002.2-3.14
Autor:
Nikolay N. Zernov, Vadim E. Gherm
Publikováno v:
2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS).
Analytic theory is developed for solving the set of Markov's momenta parabolic equations for the case of the inhomogeneous ionospheric background layer with the time varying local random inhomogeneities of the electron density in order to describe th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e1dcb62b04fe0d13daee419232c8d60
https://doi.org/10.1109/ursigass.2014.6929721
https://doi.org/10.1109/ursigass.2014.6929721
Publikováno v:
Journal of Atmospheric and Solar-Terrestrial Physics. 63:1489-1497
A physically based method has been developed to simulate the wideband HF ionospheric propagation channel relevant to the case of wideband spread spectrum HF communications and also other HF applications such as digital broadcasting and over-the-horiz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7dc630fecdd4979292844c1882521022
https://doi.org/10.1016/s1364-6826(01)00037-2
https://doi.org/10.1016/s1364-6826(01)00037-2