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Yurii Balega, Gregory Bubnov, Mikhail Glyavin, Aleksandra Gunbina, Dmitry Danilevsky, Grigory Denisov, Andrey Khudchenko, Ilya Lesnov, Andrey Marukhno, Kirill Mineev, Sergey Samsonov, Gennady Shanin and Vyacheslav Vdovin
Applications of subTHz extremely-high-power gyrotrons and low-noise receivers for new antenna projects in astronomy, space radar, and telecommunication have been analyzed.
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D. Vegera,V. Vlasov,G. Zhiba,S. Sai
Pág. 8 - 15
The creation of a modern infrastructure for the transmission of voice and data on suburban roads, difficult in relief, remote and inaccessible settlements, is one of the most important problems. Radio waves propagating in the forest have high path loss c...
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S. Burkov,D. Vegera,V. Vlasov,G. Zhiba
Pág. 9 - 15
The creation of a modern voice transmission infrastructure on country roads with difficult terrain, remote and hard-to-reach settlements is one of the most important problems. Forest attenuation is an important factor in the design of new base stations. ...
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D. Vegera,G. Zhiba,V. Pisarenko
Pág. 52 - 61
There are a huge number of different technological solutions that allow the reception and transmission of various kinds of information through the free propagation of radio waves in the environment. Despite the development of telecommunications, there ar...
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Igor Smolyaninov, Quirino Balzano and Dendy Young
This paper presents several novel designs of small form factor underwater radio antennas operating in the 2 MHz, 50 MHz and 2.4 GHz bands. These antennas efficiently excite surface electromagnetic waves (SEW) which propagate along the surface of seawater...
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Usman Raza and Abdul Salam
Storm drains and sanitary sewers are prone to backups and overflows due to extra amount wastewater entering the pipes. To prevent that, it is imperative to efficiently monitor the urban underground infrastructure. The combination of sensors system and wi...
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Reyad Salah, Ahmed M. Farouk, Ahmed Farouk, Mahmoud Abdel-Aty, Hichem Eleuch and Abdel-Shafy F. Obada
An open quantum bipartite system consisting of two independent two-level atoms interacting nonlinearly with a two-mode electromagnetic cavity field is investigated by proposing a suitable non-Hermitian generalization of the Hamiltonian. The mathematical ...
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Mykhailo Mozhaiev, Pavlo Buslov
Pág. 71 - 77
Subject of research: the process of monitoring the quality indicators of a computer network of a forensic information system using methods for increasing the frequency resolution of acousto-optic spectrum analyzers. The aim of this work is the possibilit...
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Peberlin Parulian Sitompul, Josaphat Tetuko Sri Sumantyo, Farohaji Kurniawan and Mohammad Nasucha
Radio beacons enable measurements of ionospheric radio scintillations and total electron content (TEC). These beacons transmit unmodulated, phase-coherent waves in S-band frequencies. Many satellite applications require circularly polarized (CP) wideband...
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Chigozirim Ajaegbu,Awodele Oludele,Alao Olujimi D,Joshua Jonah V
Home Node B system as an aspect of a small cell system can be further explored into more opportunities. This paper presents a more flexible home NodeB model mostly for developing countries that can accommodate voice transmission platform. It showed that ...
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