Zobrazeno 1 - 10
of 133
pro vyhledávání: '"Bobreshov, A."'
There were proposed new formulas for the dielectric medium permittivity distribution along spatial coordinates in the space between a linear TEM-horn's leafs, which were obtained according to the rules of geometric optics in the assumption of the pha
Externí odkaz:
http://arxiv.org/abs/1701.00876
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 24, Iss 4, Pp 46-52 (2022)
In this work the possibility of increasing the amplitude of ultra-short pulses and formation of a monocycle Gaussian by adding signals from several oscillators was investigated. For this purpose, the ring adders of Wilkinson design were used. The des
Externí odkaz:
https://doaj.org/article/b1984282168e48a1a1151e9a610496ef
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 23, Iss 4, Pp 68-73 (2020)
In modern systems of radiolocation, navigation and communication, the requirements for antennas are becoming higher requirements every year, namely: operation in a wide frequency range, the ability to change of direction of the main lobe of the radia
Externí odkaz:
https://doaj.org/article/44fed27c11a3404a8216c924a1e0faa5
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 22, Iss 4, Pp 44-49 (2019)
In this paper the single biconical ultra-wideband reception device which is a part of directional-finding array is considered. Directional characteristics and matching of this device well-known and this characteristics can be improvement in several w
Externí odkaz:
https://doaj.org/article/b98c1f793f84434d83dc45b334e81cac
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 22, Iss 4, Pp 68-73 (2019)
The work explores the possibility of using the acousto-optical effect to demodulate a sequence of radio pulses. Measuring setup circuits for determining sequence parameters are proposed. The methods for analyzing the diffraction pattern that relate t
Externí odkaz:
https://doaj.org/article/d5a92f92bed045af8946e4947dd6bca1
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 21, Iss 3, Pp 43-49 (2018)
Radiation of the wave front of an ultrashort pulse from a plane circular aperture was calculated. Analyzes of pulse propagation character was provided. The features of the wave front, the formation of a side impulse in particular, are considered. The
Externí odkaz:
https://doaj.org/article/d87641f02f424d788642eff7652075cc
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 20, Iss 3, Pp 52-59 (2017)
The exact solution of parabolic wave equation based on localized in space-time superposition of Gaussian wave beams is discovered in the paper. Some special properties of waveform and its propagation are investigated. A possibility of practical appli
Externí odkaz:
https://doaj.org/article/1f0be087fbcc4efa8ce4813282af5c22
Autor:
Anatoly M. Bobreshov, Grigory K. Uskov, Nikolay A. Lysenko, Nikita S. Sbitnev, Alexander A. Potapov
Publikováno v:
The Journal of Engineering (2019)
Here, a multi-beam TEM-horn antenna with beam direction is proposed. Presented construction allows obtaining scanning beam and complicated antenna patterns, thus it can be used as substitute of ultra-wideband phased array antennas.
Externí odkaz:
https://doaj.org/article/07e95feb8bdf478ea4bffc13071f966a
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 19, Iss 3, Pp 6-11 (2016)
There proposed a technique for improving linear TEM-horn antenna directivity and matching by filling its inner space with inhomogeneous dielectric medium. The exact shape of the medium permittivitys spatial distribution was chosen from an assumption
Externí odkaz:
https://doaj.org/article/2c4ea8ba36dc44beb90c06df31087d6d
Autor:
Anatoly M. Bobreshov, Grigory K. Uskov, Nikolay A. Lysenko, Ksenia V. Smuseva, Nikita S. Sbitnev
Publikováno v:
Microwave and Optical Technology Letters. 64:1029-1035
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6752c1a1f39471764bc3785324192534
https://doi.org/10.1002/mop.33237
https://doi.org/10.1002/mop.33237