Zobrazeno 1 - 10
of 69
pro vyhledávání: '"O. Litvin"'
Publikováno v:
Journal of Mining and Geotechnical Engineering. :69-86
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22cb1cda6a18de7cc97a0a0653d44f51
https://doi.org/10.26730/2618-7434-2021-1-69-86
https://doi.org/10.26730/2618-7434-2021-1-69-86
Publikováno v:
JOURNAL OF MINING AND GEOTECHNICAL ENGINEERING. 4:35-49
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e54da4f261ce109cc7baef8ed95e2667
https://doi.org/10.26730/2618-7434-2019-1-35-49
https://doi.org/10.26730/2618-7434-2019-1-35-49
Autor:
O. T. Loza, V. O. Litvin
Publikováno v:
Physics of Wave Phenomena. 25:52-55
A plasma maser that does not use a strong magnetic field for transporting a relativistic highcurrent electron flow is calculated within the particle-in-cell model. Tuning of the average radiation frequency from 3 to 7GHz with a single pulse spectrum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1faf02bdbe070944ad99b7a86f73ec22
https://doi.org/10.3103/s1541308x17010083
https://doi.org/10.3103/s1541308x17010083
Publikováno v:
Bulletin of the Lebedev Physics Institute. 43:62-65
A method for generating microwave pulses with a power of ∼1 GW and a frequency controlled in a band from 2 to 15 GHz during the interaction of relativistic electrons with plasma without strong magnetic field is proposed in the numerical model. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::874cf20d530bfb1e15c802ab8a5f2f7a
https://doi.org/10.3103/s1068335616020032
https://doi.org/10.3103/s1068335616020032
Publikováno v:
Cybernetics and Systems Analysis. 51:276-285
The authors present a method to construct operators of Hermite interlineation for functions of two and three variables in a Cartesian and cylindrical coordinate systems for the case where experimental data (traces of a function and its partial deriva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbbc3bda96570054360f5d5901be0779
https://doi.org/10.1007/s10559-015-9719-8
https://doi.org/10.1007/s10559-015-9719-8
Autor:
Pavel A. Chizhov, Vladimir V. Bukin, V. O. Litvin, V. A. Terekhin, S. P. Sadovskii, V. P. Tarakanov, V Kh Bagdasarov, T. V. Dolmatov, Yu. A. Trutnev, S. V. Garnov, O. T. Loza, V. M. Brendel
Publikováno v:
Physics of Wave Phenomena. 22:219-222
A photoemission source of directional pulsed wideband electromagnetic radiation in the microwave region is developed, and the time profile of the generated pulse is investigated. The source is a vacuum photodiode of a parabolic shape in which a Chere
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb2378996118427d5ea1992aa0848daa
https://doi.org/10.3103/s1541308x14040013
https://doi.org/10.3103/s1541308x14040013
Publikováno v:
Technical Physics. 59:1228-1232
Using a numerical model, we propose a source of microwave pulses, based on the interaction of a high-current relativistic electron beam with plasma. The source is an intrinsic noise amplifier with a pulse duration shorter than 3 ns, which does not pe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::028fd108b307fecc23d89343f2026f49
https://doi.org/10.1134/s1063784214080106
https://doi.org/10.1134/s1063784214080106
Autor:
S. O. Litvin
Publikováno v:
Kinematics and Physics of Celestial Bodies. 27:197-203
Comparison is given of joint and individual catalogs of radio source positions created in preparation of ICRF2. Differences between catalogs are shown, and the “external” evaluation of their accuracy is carried out.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39f3d4a9043e17b48da3667df6923322
https://doi.org/10.3103/s0884591311040064
https://doi.org/10.3103/s0884591311040064
Autor:
M. O. Litvin, V. N. Andruk, V. L. Karbovs’ky, V. V. Kleshchenok, Petro F. Lazorenko, E. V. Denisyuk, K. O. Bogatyrev
Publikováno v:
Kinematics and Physics of Celestial Bodies. 27:204-210
Specifications of a new Apogee Alta U47 CCD camera mounted at the Kyiv meridian axial circle (MAC) are presented. The camera is based on the 1024 × 1024 pxl e2v CCD47-10 with pixel sizes of 13 × 13 μm. Observations are carried out in the scan-drif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb69a147caa39160ee531d81de7659c3
https://doi.org/10.3103/s0884591311040039
https://doi.org/10.3103/s0884591311040039
Autor:
V.G. Konovalov, V. S. Voitsenya, I. V. Ryzhkov, S.I. Solodovchenko, J.W. Davis, V.N. Bondarenko, O. Litvin, A.N. Shapoval, A.F. Bardamid, A. F. Shtan
Publikováno v:
Journal of Nuclear Materials. 405:109-117
The reflectance of Be mirrors due to impact by ions from a deuterium plasma has been studied under several bombardment conditions. Analysis of the resulting surface films has been performed using various diagnostic techniques, with the conclusion tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b855c7b80e081916d781de3e75155a8f
https://doi.org/10.1016/j.jnucmat.2010.07.039
https://doi.org/10.1016/j.jnucmat.2010.07.039