Zobrazeno 1 - 10 of 24 pro vyhledávání: '"Yury N. Razoumny"'
1
Akademický článek
The concept of on-orbit-servicing for next generation space system development and its key technologies
Autor: Yury N. Razoumny, Andrey A. Baranov, Brij Agrawal, Arthur M. Dula, Joerg Kreisel, Sergei A. Kupreev, David B. Spencer, Vladimir Yu. Razoumny, Tetsuo Yasaka
Publikováno v: RUDN Journal of Engineering Research, Vol 23, Iss 4, Pp 269-282 (2022)
Over the last years many companies and national agencies in different countries have been involved in development of various technical aspects of on-orbit-servicing (OOS). US and Russian OOS experiences are described. The problem of OOS in general is
Externí odkaz: https://doaj.org/article/15e0d9a64b7b49c98ff20886eee6bab0
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2
Akademický článek
Reusable interorbital tugs of megawatt class: problems and prospects
Autor: Vitaly M. Melnikov, Yury N. Razoumny
Publikováno v: RUDN Journal of Engineering Research, Vol 21, Iss 4, Pp 281-289 (2020)
The possibilities of creating solar reusable megawatt-class interorbital tugs are analyzing. A comparison of solar and nuclear power plants is given, and the advantages of using solar systems are justified. On the basis of a comparative analysis of a
Externí odkaz: https://doaj.org/article/fc16deec88794a1581bd5a045e5a13df
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3
Akademický článek
Satellite constellation design of on-orbit servicing space system for Globalstar satellites
Autor: Vladimir Yu. Razoumny, Andrey A. Baranov, Yury N. Razoumny
Publikováno v: RUDN Journal of Engineering Research, Vol 20, Iss 2, Pp 111-122 (2019)
The ballistic problem of on-orbit space serving system configuration design for active Globalstar satellites is considered. These satellites are moving in orbits with close altitudes and inclinations but with significant difference in longitude of as
Externí odkaz: https://doaj.org/article/e587d04af9ff42f497f90648319fb46c
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4
Akademický článek
On the motion of bodies based on changes in the kinetic moment
Autor: Yury N. Razoumny, Sergei A. Kupreev
Publikováno v: RUDN Journal of Engineering Research, Vol 20, Iss 4, Pp 267-275 (2019)
The controlled motion of a body in a central gravitational field without mass flow is considered. The possibility of moving the body in the radial direction from the center of attraction due to changes in the kinetic moment relative to the center of
Externí odkaz: https://doaj.org/article/5a164726001a44bd86dc543dd0f55ad7
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7
Fully polarimetric synthetic aperture radar data classification using probabilistic and non-probabilistic kernel methods
Autor: Iman Khosravi, Seyed Kazem Alavipanah, Yury N. Razoumny, Javad Hatami Afkoueieh
Publikováno v: European Journal of Remote Sensing, Vol 54, Iss 1, Pp 310-317 (2021)
The data classification of fully polarimetric synthetic aperture radar (PolSAR) is one of the favourite topics in the remote sensing community. To date, a wide variety of algorithms have been utilized for PolSAR data classification, and among them ke
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b421db0f901824c7dfd7856a75de44ce
https://doi.org/10.1080/22797254.2021.1924081
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8
An ensemble method based on rotation calibrated least squares support vector machine for multi-source data classification
Autor: Javad Hatami Afkoueieh, Seyed Kazem Alavipanah, Yury N. Razoumny, Iman Khosravi
Publikováno v: International Journal of Image and Data Fusion. 12:48-63
This paper proposed an extended rotation-based ensemble method for the classification of a multi-source optical-radar data. The proposed method was actually inspired by the rotation-based support v...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9206c98603bdc6ca097a57b1090c93ec
https://doi.org/10.1080/19479832.2020.1821101
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10
Locally Geostationary Orbits: Optimal Geometry of Elliptic Orbit for Earth Coverage
Autor: Yury N. Razoumny
Publikováno v: Journal of Spacecraft and Rockets. 56:1017-1023
The problem of satellite constellation design for Earth coverage using elliptic orbit is considered. Whereas various researchers in this field have mainly considered optimization of the orbital str...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a600d81163b6938ee14635595961c67
https://doi.org/10.2514/1.a33699
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