Zobrazeno 1 - 10
of 28
pro vyhledávání: '"M. Yu. Medvedik"'
Autor:
M. Yu. Medvedik
Publikováno v:
Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 4 (2020)
Background. The purpose of this work is justification and implementation of the two-step approach for solving vector 3D inverse problem of diffraction by a heterogeneous solid with a piecewise smooth permittivity. Materials and methods. The origin
Externí odkaz:
https://doaj.org/article/bb351a7405854fec919b191547f8c3ef
Autor:
M. Yu. Medvedik, M. A. Moskaleva
Publikováno v:
Lobachevskii Journal of Mathematics. 43:1245-1250
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a33ea16f3f2ebe48dbc11c775db433b
https://doi.org/10.1134/s1995080222080212
https://doi.org/10.1134/s1995080222080212
Autor:
M. A. Moskaleva, M. Yu. Medvedik
Publikováno v:
Lobachevskii Journal of Mathematics. 41:1371-1376
The article is devoted to an inverse problem of reconstruction of inhomogeneity parameters of a body in semi-infinite rectangular waveguide. We suggest a new numerical method for solving this one. The inverse problem is reduced to the solving of volu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d2c91f831b64f6a94c1a56f38767407
https://doi.org/10.1134/s1995080220070288
https://doi.org/10.1134/s1995080220070288
Autor:
R. O. Evstigneev, M. Yu. Medvedik
Publikováno v:
Lobachevskii Journal of Mathematics. 41:1320-1324
The article is devoted to the development of a method for solving the inverse problem. We considered the problem of propagation of electromagnetic wave inside the body located in free space. The method of reconstruction of the parameters inhomogeneit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4522aef8f0adf74dbcf41fa496ee8c27
https://doi.org/10.1134/s1995080220070112
https://doi.org/10.1134/s1995080220070112
Publikováno v:
Inverse Problems in Science and Engineering. 28:1474-1492
The scalar problem of reconstruction of an unknown refractive index of an inhomogeneous solid is considered. The original boundary value problem for the Helmholtz equation with an unknown refractiv...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d65c8eab970dcdecee3b747b4c8f067f
https://doi.org/10.1080/17415977.2020.1727466
https://doi.org/10.1080/17415977.2020.1727466
Autor:
M. Yu. Medvedik, R. O. Evstigneev
Publikováno v:
Lobachevskii Journal of Mathematics. 40:1653-1659
In this paper a scalar inverse problem on a hemisphere is considered. The incident field is radiated by point source located outside the body. We are looking for a solution of the inverse problem using the measurements of the field outside the body.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c08c21ccedfb38e51977fdeb71cc7e8c
https://doi.org/10.1134/s1995080219100093
https://doi.org/10.1134/s1995080219100093
Publikováno v:
Inverse Problems in Science and Engineering. 28:427-447
The problem of determining an unknown piecewise-continuous refractive index of an inhomogeneous scatterer is considered. The boundary value problem is reduced to the Lippmann–Schwinger integral equ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5f926c64a9795141924c78c537e41a4
https://doi.org/10.1080/17415977.2019.1597872
https://doi.org/10.1080/17415977.2019.1597872
Publikováno v:
Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 4 (2020)
Background. The purpose of this work is justification and implementation of the two-step approach for solving vector 3D inverse problem of diffraction by a heterogeneous solid with a piecewise smooth permittivity. Materials and methods. The original
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9e04af6aec7871953d974e57d7422f6
https://doaj.org/article/bb351a7405854fec919b191547f8c3ef
https://doaj.org/article/bb351a7405854fec919b191547f8c3ef
Publikováno v:
Lobachevskii Journal of Mathematics. 39:1140-1147
The paper consider an inverse problem of permittivity reconstruction of an inhomogeneous body placed in waveguide. We suggest a two-step method to solve the problem. To be more precise the inverse problem is reduced to solving an integral equation of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57da02b51d96e4a4c3839ebc38a06ac1
https://doi.org/10.1134/s1995080218080115
https://doi.org/10.1134/s1995080218080115
Publikováno v:
University proceedings. Volga region. Physical and mathematical sciences.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53d97aee18aa4545efdeaeebee8ee0a4
https://doi.org/10.21685/2072-3040-2019-4-2
https://doi.org/10.21685/2072-3040-2019-4-2