Výsledky vyhledávání - "Nikolay N. Zernov"

New technique for calculating the ionospheric phase advance and dual frequency mode of measuring ionospheric TEC

Autor: Sandro M. Radicella, Bruno Nava, Ekaterina A. Danilogorskaya, V.E. Gherm, Nikolay N. Zernov

Publikováno v: Advances in Space Research. 66:563-570

The earlier developed alternative technique for calculating the ionospheric contribution into the full phase of the signal on the transionospheric paths of propagation, based on the perturbation theory in spherical co-ordinates with the spherically s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b458441de644a94e5594fc6635ad689
https://doi.org/10.1016/j.asr.2020.04.023

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High-Frequency Wave Field Local Focusing on Ionospheric Reflection Paths of Propagation

Autor: M. A. Bisyarin, V.E. Gherm, Nikolay N. Zernov

Publikováno v: 2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS).

Earlier developed interpretations of the effects of local focusing the high-frequency wave field on the ionospheric reflection paths of propagation are discussed. Consideration is based on the integral representation of the high-frequency field, prop

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b4d76383886a7da61f757a54a7685409
https://doi.org/10.23919/ursigass51995.2021.9560525

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Nonlocal Markov approximation for mean field propagating in a medium with dielectric permittivity fluctuations in case of finite values of longitudinal correlation radius 1. Homogeneous background medium

Autor: M. A. Bisyarin, Nikolay N. Zernov

Publikováno v: Journal of Atmospheric and Solar-Terrestrial Physics. 224:105744

Classic method of the diffusive Markov parabolic equation for the mean field in a stochastic medium is extended to the case of finite values of the longitudinal correlation radius of fluctuations. In the limiting case of δ -correlated fluctuations t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae430bca9aca8177c1a7e6d1d785afb4
https://doi.org/10.1016/j.jastp.2021.105744

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A Comparative Analysis of High Frequency Fields on Transionospheric Paths along Strongly Anisotropic Random Inhomogeneities of Electron Density

Autor: Nikolay N. Zernov, Charles L. Rino, V.E. Gherm

Publikováno v: 2019 URSI International Symposium on Electromagnetic Theory (EMTS).

Two methods for description of the effects of propagation through a quasi-random spatial distribution of the electron density in the ionosphere are further tried. The special case of propagation of a high frequency wave field in the direction of stro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8064f66214c1d2d4749404e32def8018
https://doi.org/10.23919/ursi-emts.2019.8931511

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Analytic Description of the Coherence Properties of High Frequency Field in the Inhomogeneous Stochastic Transionospheric Channel with Anisotropic Random Irregularities

Autor: Nikolay N. Zernov, Andrei V. Driuk

Publikováno v: 2019 URSI International Symposium on Electromagnetic Theory (EMTS).

Explicit analytical results are presented which permit analyzing the coherence properties of the high-frequency field propagating through the stochastic transionospheric channel with the inhomogeneous background ionosphere and anisotropic random inho

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c88f010c305e6b9b64be9af1012a9450
https://doi.org/10.23919/ursi-emts.2019.8931533

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On the determination of the effect of horizontal ionospheric gradients on ranging errors in GNSS positioning

Autor: V.E. Gherm, Hal J. Strangeways, Ekaterina A. Danilogorskaya, Nikolay N. Zernov

Publikováno v: Journal of Geodesy. 91:503-517

An alternative approach to the traditionally employed method is proposed for treating the ionospheric range errors in transionospheric propagation such as for GNSS positioning or satellite-borne SAR. It enables the effects due to horizontal gradients

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ffdc75b9c742e234a74b83930103eb22
https://doi.org/10.1007/s00190-016-0978-6

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Coherence properties of high-frequency wave field propagating through inhomogeneous ionosphere with anisotropic random irregularities of electron density: 2. Further analysis and numerical results

Autor: Andrei V. Driuk, Nikolay N. Zernov

Publikováno v: Journal of Atmospheric and Solar-Terrestrial Physics. 205:105312

Analytic theory, developed in the companion paper in order to describe the coherence properties of the high frequency wave field propagating through the stochastic transionospheric channel with the inhomogeneous background layer and anisotropic fluct

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ff0598fecc63fa94996e289aa6dac51
https://doi.org/10.1016/j.jastp.2020.105312

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Coherence properties of high-frequency wave field propagating through inhomogeneous ionosphere with anisotropic random irregularities of electron density: 1. Theoretical background

Autor: Andrei V. Driuk, Nikolay N. Zernov

Publikováno v: Journal of Atmospheric and Solar-Terrestrial Physics. 205:105313

Rigorous analytic solution is constructed for the first of 2 s-order space position and frequency coherence function (which is alternatively also termed as symmetric) of the high-frequency wave field propagating through the stochastic transionospheri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae5834827806d27ea1e86df427b165d3
https://doi.org/10.1016/j.jastp.2020.105313

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