Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Yu B Nechaev"'
Publikováno v:
Vìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, Iss 75 (2018)
Оценка угловых координат источников радиоизлучения представляет серьезный исследовательский интерес в различных сферах. Так, в беспро
Externí odkaz:
https://doaj.org/article/1a7ec05d71dd45f9a0b2f6056f0d754b
Autor:
Yu. B. Nechaev, I. V. Peshkov
Publikováno v:
Vìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, Iss 67 (2016)
В работе рассматриваются кольцевые, дугообразные и L-образные антенные решетки для задачи радиопеленгации со сверхразрешением стохаст
Externí odkaz:
https://doaj.org/article/2c731b13d48a464b99b1102f601b6f2d
Publikováno v:
Vestnik Voronežskogo Gosudarstvennogo Universiteta Inženernyh Tehnologij, Vol 80, Iss 4, Pp 463-470 (2019)
The formation of the organizational structure of a unique project (without prototypes) refers to the general problem of optimizing the management of processes in irreversible systems of various types. At the same time, an increase in the dimension of
Publikováno v:
2021 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO.
In the paper the problem of using digital antenna arrays equipped with dipole and directive elements simultaneously in the azimuthal and elevation planes is discussed. In particular, they are investigated for communication channels of the VHF range b
Publikováno v:
2021 Systems of Signals Generating and Processing in the Field of on Board Communications.
In the paper the problem of applying the digital antenna arrays (DAA) equipped with the directional radiators is considered simultaneously on azimuth and elevation planes. The method MUSIC of direction-of-arrival (DOA) estimation is researched depend
Publikováno v:
2020 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO).
At present, digital antenna arrays are of growing research interest, since they allow us to form nulls and maxima of the radiation pattern without involving additional devices, but in the processing unit. This paper studies digital beamforming in thr
Publikováno v:
2020 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO).
The article considers the problem of applying digital beamforming to circular, cube, conical, planar and spherical antenna arrays (AA). It is known that the geometry of antenna arrays significantly influences the characteristics of beamforming, the m
Autor:
Yu. B. Nechaev, I. V. Peshkov
Publikováno v:
2020 Systems of Signals Generating and Processing in the Field of on Board Communications.
The Cramer-Rao lower bound (CRLB) for calculating errors and accuracy of direction-of-arrival (DOA) estimation is discussed for a number of planar waves arriving on an antenna array. The exact expression for the Cramer-Rao lower bound for the DOA-est
Publikováno v:
Visnyk NTUU KPI Seriia-Radiotekhnika Radioaparatobuduvannia; 75; 16-24
Вісник НТУУ "КПІ". Серія Радіотехніка, Радіоапаратобудування; 75; 16-24
Вестник НТУУ" КПИ ". Серия радиотехника Радиоаппаратостроение; Том 0, № 75 (2018); 16-24
Вісник НТУУ "КПІ". Серія Радіотехніка, Радіоапаратобудування; 75; 16-24
Вестник НТУУ" КПИ ". Серия радиотехника Радиоаппаратостроение; Том 0, № 75 (2018); 16-24
Introduction. The direction-of-arrival estimation of signal sources is of serious research interest in various fields. As an example, the coordinate information in three-dimensional space can be used for spatial diversity and filtering to increase co
Publikováno v:
Journal of Physics: Conference Series. 2091:012037
In the paper the problem of using digital antenna arrays equipped with dipole and directive elements simultaneously in the azimuthal and elevation planes is discussed. In particular, they are investigated for communication channels of the VHF range b