Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Sergey V. Zaitsev"'
Publikováno v:
Radioelectronics and Communications Systems. 61:13-21
The paper proposes an adaptive method for selecting the parameters of S-random interleaver of turbo-code codex in wireless data transmission systems under conditions of a priori uncertainty for enhancing the reliability of data transmission and reduc
Autor:
Sergey V. Zaitsev, A. V. Rykov, A. V. Kudrin, G. E. Yakovlev, A. V. Zdoroveyshchev, M. V. Dorokhin, V. I. Zubkov, D. S. Frolov, Yu. A. Danilov, E. I. Malysheva
Publikováno v:
Technical Physics. 62:1545-1550
Optical and transport properties of the heterostructure with the InAs/GaAs quantum dots doped with manganese or chromium atoms in the course of growth using metal-organic vapor phase epitaxy (MOVPE) are analyzed. Circularly polarized luminescence was
Autor:
I. I. Zver’kova, A. V. Tolmachev, G. A. Emel’chenko, Sergey V. Zaitsev, Yu. V. Yermolayeva, N. A. Matveevskaya, A. N. Gruzintsev
Publikováno v:
JETP Letters. 106:145-151
The kinetics of luminescence of Eu3+ ions in Lu2O3:Eu nanospheres with diameters of 100–270 nm and a small standard deviation of the size distribution
Publikováno v:
Optics and Spectroscopy. 122:906-911
A study of the luminescence of Eu3+ ions in Y2O3 nanospheres indicates a significant influence of the porous structure of nanoparticles on the luminescence of dopant ions. It is shown that filling the nanopores of initially porous Y2O3 nanospheres sh
Autor:
Volodymyr Kazymyr, Sergey V. Zaitsev
Publikováno v:
Radioelectronics and Communications Systems. 60:18-27
The paper deals with the issue of enhancing the performance efficiency of wireless networks built by using the with automatic repeat request scheme for retransmission. The proposed method is based on adaptive change of polynomials of recursive system
Autor:
M. V. Dorokhin, Sergey V. Zaitsev, B. N. Zvonkov, Yu. A. Danilov, L. Langer, Dmitri R. Yakovlev, Manfred Bayer, I. A. Akimov
Publikováno v:
Journal of Experimental and Theoretical Physics. 123:420-428
The coherent spin dynamics of carriers in the heterostructures that contain an InGaAs/GaAs quantum well (QW) and an Mn δ layer, which are separated by a narrow GaAs spacer 2–10 nm thick, is comprehensively studied by the magnetooptical Kerr effect
Autor:
Volodymyr Kazymyr, Sergey V. Zaitsev
Publikováno v:
Radioelectronics and Communications Systems. 58:212-219
It is proposed a method for increase of reliability of information transmission in wireless networks, functioning in conditions of influence of deliberate noise. The method is based on additional application of uncertainty factor in case of decision
Autor:
Sergey V. Zaitsev, Е.А. Kudrenko, I. I. Zver’kova, А.V. Tolmachev, A. N. Gruzintsev, O. S. Bezkrovnyi, G.А. Emelchenko, Yu. V. Yermolayeva
Publikováno v:
Optical Materials. 37:714-717
A strong influence of shape and size on spontaneous luminescence of Eu atoms has been observed in a new class of Y 2 O 3 –Eu 3 + nanoparticles including nanospheres, nanopowder and nanoplates. We demonstrate a possibility of engineering recombinati
Autor:
V. L. Korenev, Manfred Bayer, I. A. Akimov, V. F. Sapega, Sergey V. Zaitsev, Yu. A. Danilov, L. Langer, Dmitri R. Yakovlev
Publikováno v:
physica status solidi (b). 251:1663-1672
The spin orientation of electrons is studied in ferromagnet (FM)–semiconductor (SC) hybrid structures composed of a (Ga,Mn)As ferromagnetic layer, which is placed in the direct vicinity of a non-magnetic SC quantum well (QW). It is shown that the p
Publikováno v:
SPIE Proceedings.
In the report are discussed the laboratory test results of SPAD detectors with InGaAs / InP avalanche photodiodes, operating in Geiger mode. Device operating in synchronous mode with the dead timer setting for proper working conditions of photodiodes