Zobrazeno 1 - 10
of 13
pro vyhledávání: '"A. L. Gavrik"'
Publikováno v:
2020 IEEE Ukrainian Microwave Week (UkrMW).
Results of non-stationary signal processing and interpretation using the simplest (ARX) regression model of real measurements with spaced antennas are presented. The obtained estimates of the mean velocity of the random medium travelling between ray-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59b2452838eaf44fc637a37241872656
https://doi.org/10.1109/ukrmw49653.2020.9252792
https://doi.org/10.1109/ukrmw49653.2020.9252792
Autor:
V. M. Smirnov, V. V. Yushkov, A. L. Gavrik, B. V. Chernyshev, O. V. Yushkova, V. N. Marchuk, I. N. Dutyshev, A. V. Medvedev, M. A. Laptev, V. P. Lebedev, A. A. Petrukovich
Publikováno v:
Solar System Research. 52:287-300
An overview of radiophysical investigations of the lunar soil and plasma shell by active radar detection with the use of spacecraft is presented. The possibility is analyzed of conducting bistatic measurements using the Irkutsk Incoherent Scattering
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49574ffe67029b2bffb27011dc39a0fa
https://doi.org/10.1134/s0038094618040081
https://doi.org/10.1134/s0038094618040081
Publikováno v:
Journal of Communications Technology and Electronics. 61:1347-1353
A method for construction of a 2D radio image of an asteroid from the radar data obtained with the use of a continuous monochromatic signal has been tested. The method is based on the inverse focused synthesis of the antenna aperture due to the rotat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5385e039a6b0acf31639a11d351e9b56
https://doi.org/10.1134/s106422691612007x
https://doi.org/10.1134/s106422691612007x
Autor:
A. L. Gavrik
Publikováno v:
Journal of Radio Electronics. 2018
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b955a0d3b07fbd76c6b4c1f61706cc6
https://doi.org/10.30898/1684-1719.2018.9.2
https://doi.org/10.30898/1684-1719.2018.9.2
Publikováno v:
Journal of Communications Technology and Electronics. 58:985-995
The possibility of detecting wave processes in the atmosphere-ionosphere system of the planet from perturbations of radio signals in radio occultation experiments is studied. A method of interpretation of the radio-raying data that does not employ in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58c43ed9fb943dccd619c4093e504cdb
https://doi.org/10.1134/s1064226913090040
https://doi.org/10.1134/s1064226913090040
Autor:
V. M. Smirnov, Anatolii I Efimov, N. A. Savich, A. L. Gavrik, L. N. Samoznaev, Stanislav Matyugov, O. I. Yakovlev, Yurii V Gulyaev, Aleksandr G Pavelyev, Neon A Armand
Publikováno v:
Physics-Uspekhi. 53:517-523
The magnetic field created by this antenna was measuredat the distance 1200 km from the transmitter, in the Bare-ntsburg Observatory, by a three-component inductionmagnetometer. The radiation experiments were conductedwithin a few days, mostly at nig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::431f60c907dd57a3a29a84c895f0de9c
https://doi.org/10.3367/ufne.0180.201005j.0542
https://doi.org/10.3367/ufne.0180.201005j.0542
Publikováno v:
Journal of Communications Technology and Electronics. 55:256-262
A new procedure for analyzing the data obtained during radio probing of the Venusian ionosphere is proposed. The experimental results of the two-frequency probing with the use of the “Venera 15” and “Venera 16” orbiters that provide evidence
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee6531f74a22de10f3df51464aca5922
https://doi.org/10.1134/s1064226910030022
https://doi.org/10.1134/s1064226910030022
Publikováno v:
Cosmic Research. 47:208-216
We investigate a method of getting radio images of asteroids by single-position radar with narrowband sounding signal. A model is presented for calculation of power spectra of echo signals of a rotating rough ellipsoid. This model is a useful tool fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00c6e92b4f76a579ae480cb468a74110
https://doi.org/10.1134/s0010952509030034
https://doi.org/10.1134/s0010952509030034
Autor:
A. L. Gavrik, Yu. A. Gavrik
Publikováno v:
Journal of Communications Technology and Electronics. 53:1177-1185
The processed data of radar sounding of asteroid 33342 (1998 WT24) with the help of the Yevpatoria-Medicina bistatic radar system are presented. Variations in the power spectra of echo signals with a wavelength of 6 cm are analyzed for two orthogonal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91ccefbafa150768b62d5da282b6b051
https://doi.org/10.1134/s1064226908100045
https://doi.org/10.1134/s1064226908100045
Publikováno v:
Journal of Communications Technology and Electronics. 53:1044-1051
The inhomogeneous structure of the Venusian daytime ionosphere is investigated on the basis of the data provided by the Venera 15 and Venera 16 space probes. The experimental data obtained from two-frequency radio sounding are restored, processed, an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c98c6ebf519ac9b2381d0f05dbe3e25
https://doi.org/10.1134/s1064226908090052
https://doi.org/10.1134/s1064226908090052