Zobrazeno 1 - 10
of 18
pro vyhledávání: '"N. P. Kalinichenko"'
Publikováno v:
Radio Physics and Radio Astronomy, Vol 24, Iss 4, Pp 233-241 (2019)
Purpose: Theoretical studies of sensitivity fluctuations of a phased array antenna element for the GURT radio telescope of the new generation caused by seasonal changes of the ground parameters. Design/methodology/approach: A mathematical model of
Externí odkaz:
https://doaj.org/article/40cea1753abb4d2e8b9900afc42fabd6
Autor:
N. V. Кuhai, N. N. Kalinichenko
Publikováno v:
Radio Physics and Radio Astronomy, Vol 24, Iss 2, Pp 117-128 (2019)
Purpose: An overview of the models of electromagnetic wave propagation in random media for the possibility of using them to describe the weak interplanetary scintillations of radio emission of cosmic sources in the range from 8 to80 MHz, as well as e
Externí odkaz:
https://doaj.org/article/92143e184a9e4e9c912051e1817ff834
Autor:
N. N. Kalinichenko, M. R. Olyak, O. O. Konovalenko, I. N. Bubnov, S. N. Yerin, A. I. Brazhenko, O. L. Ivantishin, O. A. Lytvynenko
Publikováno v:
Radio Physics and Radio Astronomy, Vol 22, Iss 1, Pp 45-52 (2017)
Purpose: Description of the solar wind investigation technique based on interplanetary scintillation observations of the decameter radio emission of space radio sources. Design/methodology/approach: The method is based on using the Feynman pass in
Externí odkaz:
https://doaj.org/article/fd1358c131ab43dfafef24dcc4832783
Publikováno v:
Radio Physics and Radio Astronomy, Vol 21, Iss 4, Pp 260-269 (2016)
Purpose: Making analysis of variations of fast and slow solarwind parameters at distances from the Sun of about 1 AU and more. Design/methodology/approach: The method of Feynman pathintegrals is applied to calculate the temporal spectra and disper
Externí odkaz:
https://doaj.org/article/353e52606f55460caf7921033d3c4abf
Publikováno v:
Radio Physics and Radio Astronomy, Vol 19, Iss 2, Pp 120-125 (2014)
Some features of application of spectral and dispersion techniques for determination of solar wind parameters from the interplanetary scintillations data of cosmic radio sources at the decameter wavelengths are described. The characteristic errors of
Externí odkaz:
https://doaj.org/article/22e3710a3851425ba7c8cb51c5b23398
Autor:
N. N. Kalinichenko
Publikováno v:
Radio Physics and Radio Astronomy, Vol 19, Iss 1, Pp 3-9 (2014)
The upper limit for the flux of a compact source of continuum radio emission in SNR 3C58, (2.7 ± 0.9) Jy, was obtained by the highest sensitive observations of interplanetary scintillations at decameter wavelengths. As the sensitivity of observation
Externí odkaz:
https://doaj.org/article/3ff9ad64eed949e29b732a988a03790d
Autor:
Irina S. Lobanova, Aleksey Kalinichenko, N. P. Kalinichenko, Sergey P. Avdeev, Eduard A. Sosnin
Publikováno v:
Materials Science Forum. 942:131-140
The paper provides a brief review of modern sources of ultraviolet (UV) radiation used in fluorescent penetrant testing (FT). The differences in implementation of the method with different radiation sources (excilamps, mercury UV lamp and LED UV lamp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::710969f4646d26cbeaa6b9acddcaebc8
https://doi.org/10.4028/www.scientific.net/msf.942.131
https://doi.org/10.4028/www.scientific.net/msf.942.131
Publikováno v:
Key Engineering Materials. 685:355-359
The overview of penetrant testing quality control is considered. Disadvantages of methods of manufacturing metal check samples are identify, e.g. the implementation of several defects of different sensitivity classes on a single sample. The paper add
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2615388567f823ea5d6b4e81ff6f3f59
https://doi.org/10.4028/www.scientific.net/kem.685.355
https://doi.org/10.4028/www.scientific.net/kem.685.355
Publikováno v:
Russian Journal of Nondestructive Testing. 51:639-643
The variants of test panels that are made from a nonmetal for capillary nondestructive testing, where several flaws that correspond to different classes of sensitivity were represented, have been considered. The first variant considers the cracks wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5887c0a4b8026abd0a37c79c886e2e6
https://doi.org/10.1134/s106183091510006x
https://doi.org/10.1134/s106183091510006x
Publikováno v:
Measurement Techniques. 57:484-488
Ways of manufacturing nonmetallic control samples for capillary flaw detection are described. Several cracks, corresponding to different classes of sensitivity, are produced in one sample. A positive effect is achieved by creating a base of a nonmeta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e92e5982b6d29f0944314cecdf5338be
https://doi.org/10.1007/s11018-014-0485-1
https://doi.org/10.1007/s11018-014-0485-1