Zobrazeno 1 - 10
of 69
pro vyhledávání: '"A. I. Brazhenko"'
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 11 (2024)
Introduction: The properties of the S-bursts observed during the storm on 20–21 June 2022 in frequency band 10–32 MHz by the radio telescope URAN-2 are discussed in this paper. The storm was highly populated with other solar bursts, such as Type
Externí odkaz:
https://doaj.org/article/07b36a1b81d5400284de6bbfb0ca87c2
Publikováno v:
Radio Physics and Radio Astronomy, Vol 28, Iss 3, Pp 183-200 (2023)
Subject and Purpose. This part of the paper continues presentation of results of the solar radio emission studies performed with Ukrainian radio telescopes over the past 20 years. The importance is stressed of developing adequate instruments and meth
Externí odkaz:
https://doaj.org/article/86cd3a85b6754a889d82dcc6f480457e
Publikováno v:
Radio Physics and Radio Astronomy, Vol 28, Iss 2, Pp 95-116 (2023)
Subject and Purpose. Results are presented of the solar corona investigations performed with the world famous Ukrainian radio telescopes. The work has been aimed at offering a consistent review of recent achievements in observations of a variety of l
Externí odkaz:
https://doaj.org/article/3dc2be47273e488bb1b30bdc8b823110
Publikováno v:
Radio Physics and Radio Astronomy, Vol 28, Iss 2, Pp 117-129 (2023)
Subject and Purpose. The sporadic radio emissions coming from the Sun in a broad frequency range contain a lot of important information concerning the solar corona, parameters of the radio frequency sources therein, and the parameter variations resul
Externí odkaz:
https://doaj.org/article/a621312b6d754d0b9f86c8264a01eef1
Autor:
M. M. Kalinichenko, N. V. Kuhai, O. O. Konovalenko, A. I. Brazhenko, I. M. Bubnov, S. M. Yerin, H. O. Rucker, P. Zarka, A. Lecacheux, O. L. Ivantyshyn, O. O. Lytvynenko, O. I. Romanchuk, A. V. Frantsuzenko
Publikováno v:
Radio Physics and Radio Astronomy, Vol 26, Iss 2, Pp 148-164 (2021)
Purpose: Review of investigations of cosmic sources radioemission scintillations due to interplanetary plasma irregularities made at the Institute of Radio Astronomy of the National Academy of Sciences of Ukraine, from the first observations in the m
Externí odkaz:
https://doaj.org/article/edf3a6482c0142ed8635074b6a1864fc
Autor:
O. O. Konovalenko, V. V. Zakharenko, L. M. Lytvynenko, O. M. Ulyanov, M. A. Sidorchuk, S. V. Stepkin, V. A. Shepelev, P. Zarka, H. O. Rucker, A. Lecacheux, M. Panchenko, Yu. M. Bruck, P. L. Tokarsky, I. M. Bubnov, S. M. Yerin, V. L. Коliadin, V. M. Melnik, M. M. Kalinichenko, O. O. Stanislavsky, V. V. Dorovskyy, O. D. Khristenko, V. V. Shevchenko, O. S. Belov, A. O. Gridin, O. V. Antonov, V. P. Bovkun, O. M. Reznichenko, V. M. Bortsov, G. V. Kvasov, L. M. Ostapchenko, M. V. Shevchuk, V. A. Shevchenko, Ya. S. Yatskiv, I. B. Vavilova, I. S. Braude, Y. G. Shkuratov, V. B. Ryabov, G. I. Pidgorny, A. G. Tymoshevsky, O. O. Lytvynenko, V. V. Galanin, M. I. Ryabov, A. I. Brazhenko, R. V. Vashchishin, A. V. Frantsuzenko, V. V. Koshovyy, O. L. Ivantyshyn, A. B. Lozinsky, B. S. Kharchenko, I. Y. Vasylieva, I. P. Kravtsov, Y. V. Vasylkivsky, G. V. Litvinenko, D. V. Mukha, N. V. Vasylenko, A. I. Shevtsova, A. P. Miroshnichenko, N. V. Кuhai, Ya. M. Sobolev, N. O. Tsvyk
Publikováno v:
Radio Physics and Radio Astronomy, Vol 26, Iss 1, Pp 5-73 (2021)
Purpose: A historical review of the experimental baselopment of low-frequency radio astronomy in Ukraine, its foundation half a century ago by an outstanding scientist S.Ya. Braude to the current state. Design/methodology/approach: The constant pr
Externí odkaz:
https://doaj.org/article/f72096c268f0411fbf88b6f14d068bce
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
Autor:
A. A. Konovalenko, S. M. Yerin, I. M. Bubnov, P. L. Tokarsky, V. V. Zakharenko, O. M. Ulyanov, M. A. Sidorchuk, S. V. Stepkin, A. O. Gridin, G. V. Kvasov, V. L. Koliadin, V. M. Melnik, V. V. Dorovskyy, M. M. Kalinichenko, G. V. Litvinenko, P. Zarka, L. Denis, J. Girard, H. O. Rucker, M. Panchenko, A. A. Stanislavsky, O. D. Khristenko, D. V. Mukha, O. M. Reznichenko, V. M. Lisachenko, V. V. Bortsov, A. I. Brazhenko, I. Y. Vasylieva, A. O. Skoryk, A. I. Shevtsova, K. Y. Mylostna
Publikováno v:
Radio Physics and Radio Astronomy, Vol 21, Iss 2, Pp 83-131 (2016)
Purpose: define and theoretically substantiate the range of astrophysical problems that may be efficiently solved using small antenna arrays. Design/methodology/approach: Observation parameters and configurations of a set of small antenna arrays i
Externí odkaz:
https://doaj.org/article/9224e636ca5e4b3eae64f2887b02fd29
Autor:
A. I. Brazhenko, V. N. Melnik, A. V. Frantsuzenko, V. V. Dorovskyy, H. O. Rucker, M. Panchenko
Publikováno v:
Radio Physics and Radio Astronomy, Vol 20, Iss 2, Pp 99-108 (2015)
The properties of IIIb–III pairs observed by the URAN-2 radio telescope at frequencies 16-32 MHz are analyzed. Observations of these bursts were hold in April, June and September 2011. Durations, frequency drift rates, simultaneous frequency ratio
Externí odkaz:
https://doaj.org/article/ca12adc0666f418b957c31a723a82824