Zobrazeno 1 - 10 of 24 pro vyhledávání: '"E. N. Sergeev"'
1
Akademický článek
On the location and structure of the artificial 630-nm airglow patch over Sura facility
Autor: S. M. Grach, M. J. Kosch, V. A. Yashnov, E. N. Sergeev, M. A. Atroshenko, P. V. Kotov
Publikováno v: Annales Geophysicae, Vol 25, Pp 689-700 (2007)
Results are presented of the artificial optical emission of the atomic oxygen red line (the radiation of level O(1D) with a wavelength of 630 nm) from the HF-pumped ionosphere, obtained in September 2004 at the SURA heating facility situated near
Externí odkaz: https://doaj.org/article/a4d0dbceb25a4baeabef919625e38442
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2
Akademický článek
Letter to the Editor UHF electromagnetic emission stimulated by HF pumping of the ionosphere
Autor: S. M. Grach, V. M. Fridman, L. M. Lifshits, T. S. Podstrigach, E. N. Sergeev, S. D. Snegirev
Publikováno v: Annales Geophysicae, Vol 20, Pp 1687-1691 (2002)
UHF electromagnetic emission (with a frequency near 600 MHz) from the F-region of the ionosphere pumped by an HF powerful radio wave is revealed. Possible mechanisms of the emission excitation, such as plasma mode con-version, scattering or Ear
Externí odkaz: https://doaj.org/article/6e8ebb0e4635443b903518aa5e2e7ef7
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4
On the Connection Between the Spatial Behavior of the Total Electron Content of the Ionosphere on the GPS Signal Path and the Ionospheric Artificial Airglow in the 630 nm Line
Autor: V. O. Dementiev, Alexey Shindin, S. M. Grach, E. N. Sergeev, D. A. Kogogin, Adel Akchurin, I. A. Nasyrov
Publikováno v: Radiophysics and Quantum Electronics. 61:161-175
We present the results of simultaneous measurements of the total electron content (TEC) of the ionosphere on the GPS signal path and the ionospheric artificial airglow in the atomic oxygen red line (λ = 630 nm) during HF pumping of the ionosphere by
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5bae0918b5b19f0303fe54b43ed1b2a
https://doi.org/10.1007/s11141-018-9879-2
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5
Determining the Position and Properties of the Region of Artificial Ionospheric Irregularities Above the Sura Facility Responsible for Generation of Aspect Scattering Signals on a Short Path
Autor: Alexey Shindin, E. N. Sergeev, E. Yu. Zykov, S. M. Grach, N. A. Pogorelko, V. A. Yashnov
Publikováno v: Radiophysics and Quantum Electronics. 61:83-97
The data obtained in the experiments on aspect scattering on a short path of Kazan—Vasilsursk—Kazan performed at the Sura facility in 2010 at frequencies of 2–7 MHz are compared with the results of ray-tracing calculations of the sounding and s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::adb2680c267945dcbff3de7a72a1a0b9
https://doi.org/10.1007/s11141-018-9873-8
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6
Spatial Characteristics of the 630-nm Artificial Ionospheric Airglow Generation Region During the Sura Facility Pumping
Autor: D. A. Kogogin, E. N. Sergeev, I. A. Nasyrov, Vladimir V. Klimenko, Alexey Shindin, A. B. Beletsky, S. M. Grach
Publikováno v: Radiophysics and Quantum Electronics. 60:849-865
We describe the method and the results of modeling and retrieval of the spatial distribution of excited oxygen atoms in the HF-pumped ionospheric region based on two-station records of artificial airglow in the red line (λ = 630 nm). The HF ionosphe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff7dae20a8ae8a472dc03d5099375f81
https://doi.org/10.1007/s11141-018-9852-0
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7
Features of the Ionospheric Artificial Airglow Caused by Ohmic Heating and Plasma Turbulence-Accelerated Electrons Induced by HF Pumping of the Sura Heating Facility
Autor: Vladimir V. Klimenko, Alexey Shindin, S. M. Grach, E. N. Sergeev
Publikováno v: Radiophysics and Quantum Electronics. 60:431-449
We present the results of studying the ionospheric F2 region airglow in the atomic-oxygen red line (λ = 6300Ǻ) when the ionosphere is pumped by high-power HF radio waves. Either thermal modulation of the background airglow brightness or, simultaneo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::933f4cb3449dc673c61435ff30a3ba12
https://doi.org/10.1007/s11141-017-9812-0
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8
Study of the Plasma Turbulence Dynamics by Measurements of Diagnostic Stimulated Electromagnetic Emission. Part II. Results of Numerical Simulation
Autor: S. M. Grach, E. N. Sergeev
Publikováno v: Radiophysics and Quantum Electronics. 60:89-102
The data on measured dynamic characteristics of diagnostic stimulated electromagnetic emission (SEE) of the ionosphere are presented. Numerical simulations of the SEE evolution within the framework of a theoretical model of the broad-continuum SEE fe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7198eace84ee297077712f0eef01fbb0
https://doi.org/10.1007/s11141-017-9779-x
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9
Diagnostics of the Generation, Decay, and Transport of Artificial Plasma Perturbations by Means of Short Pulses of High-Power Radio Waves
Autor: V. L. Frolov, Alexey Shindin, S. M. Grach, E. N. Sergeev
Publikováno v: Radiophysics and Quantum Electronics. 59:876-887
We discuss the techniques of measuring and the possibilities of using short pulses of high-power radio waves for diagnostics of the properties of high- and low-frequency ionospheric plasma turbulence. The results of the experimental studies performed
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6202d9c3e9d1ded8c0f914274760b9fa
https://doi.org/10.1007/s11141-017-9758-2
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