Zobrazeno 1 - 10
of 31
pro vyhledávání: '"S. I. Eminov"'
Autor:
S. I. Eminov
Publikováno v:
Computational Mathematics and Mathematical Physics. 61:424-430
A vector problem of electromagnetic-wave diffraction by a cylinder is described by a system of two two-dimensional integro-differential equations. After expanding the unknown functions and the right-hand sides in Fourier series, the problem reduces t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c583675c2af54c94ea44634befb3f87a
https://doi.org/10.1134/s0965542521030052
https://doi.org/10.1134/s0965542521030052
Autor:
S. I. Eminov
Publikováno v:
Journal of Communications Technology and Electronics. 65:1263-1266
The dependence of input impedances of vibrator and microstrip antennas on the profile of the primary field is investigated using the analytical inversion of the main hypersingular operator and the explicit form of the inverse integral operator. Gener
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60de2feb822ad43b439adc0325ef831e
https://doi.org/10.1134/s1064226920110054
https://doi.org/10.1134/s1064226920110054
Autor:
S. I. Eminov, A. V. Sochilin
Publikováno v:
Radiophysics and Quantum Electronics. 62:770-777
We compare the values of the input impedance of a linear dipole antenna, which are obtained on the basis of solving integral equations by the exact and approximate methods. The expansions in terms of the weighted Chebyshev polynomials and trigonometr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b45993b7602d4247ea5b93e3e2f967f
https://doi.org/10.1007/s11141-020-10023-1
https://doi.org/10.1007/s11141-020-10023-1
Autor:
S. I. Eminov
Publikováno v:
Computational Mathematics and Mathematical Physics. 59:1372-1379
A theory of integral equations for radial currents in the axisymmetric problem of scattering by a disk is constructed. The theory relies on the extraction of the principal part of a continuously invertible operator and on the proof of its positive de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13e18640fa129f03547dfc4e011464d6
https://doi.org/10.1134/s0965542519080177
https://doi.org/10.1134/s0965542519080177
Autor:
A. V. Sochilin, S. I. Eminov
Publikováno v:
Journal of Communications Technology and Electronics. 63:1276-1280
A theory of an integral equation of electromagnetic wave diffraction by a segment of an impedance circular cylinder is developed. The existence and uniqueness theorems are proved. Examples of calculations are presented.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2de87866207b74288990d2da73e7ea0
https://doi.org/10.1134/s106422691811013x
https://doi.org/10.1134/s106422691811013x
Autor:
S. I. Eminov
Publikováno v:
Radiophysics and Quantum Electronics. 60:978-987
We study thoroughly the structure of integral equations of diffraction of electromagnetic waves by a strip and a section of a circular cylinder. The theorems of existence and uniqueness are proved, and an example of calculations is considered.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f8127c05ee3b313a42d9f58a0d2dff7
https://doi.org/10.1007/s11141-018-9862-y
https://doi.org/10.1007/s11141-018-9862-y
Autor:
S I Eminov
Publikováno v:
Journal of Physics: Conference Series. 2052:011001
At the Yaroslav-the-Wise Novgorod State University on September 6-7, 2021, the International Scientific and Practical Conference "Mathematical Modeling, Programming, and Applied Mathematics" was held for the third time. Major scientists from Moscow a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fa3b1c71023c9e2e468d8d19ef7dc12
https://doi.org/10.1088/1742-6596/2052/1/011001
https://doi.org/10.1088/1742-6596/2052/1/011001
Autor:
A V Sochilin, S. I. Eminov
Publikováno v:
Journal of Physics: Conference Series. 2052:012040
The problem of excitation of a rectilinear ribbon vibrator near a perfectly conducting infinite screen is considered. A general equation, a two-dimensional integral equation, and a one-dimensional integral equation with respect to the current density
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d43bdcaf9e56126bb92a0b7b4fd71410
https://doi.org/10.1088/1742-6596/2052/1/012040
https://doi.org/10.1088/1742-6596/2052/1/012040
Autor:
S. I. Eminov, A V Sochilin
Publikováno v:
Journal of Physics: Conference Series. 2052:012041
The vector equation for the diffraction of electromagnetic waves on the surface of a rectilinear circular cylinder without ends with respect to surface currents is considered. As a result of transformations from the original equation, one-dimensional
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::437f0448ea160a9af029752073d69f43
https://doi.org/10.1088/1742-6596/2052/1/012041
https://doi.org/10.1088/1742-6596/2052/1/012041
Autor:
S. I. Eminov, A. V. Sochilin
Publikováno v:
Journal of Communications Technology and Electronics. 62:55-60
A numerical–analytical method for solution of equations and calculation of the input impedance of thin dipole antennas of arbitrary shape has been developed. High efficiency of the method has been demonstrated by examples.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e9e67e70f01e6ff701e4f047b57642f
https://doi.org/10.1134/s1064226917010132
https://doi.org/10.1134/s1064226917010132