Zobrazeno 1 - 10
of 26
pro vyhledávání: '"A. Lapich"'
Autor:
A. O. Lapich, M. Y. Medvedik
Publikováno v:
Учёные записки Казанского университета. Серия Физико-математические науки, Vol 166, Iss 3, Pp 395-406 (2024)
This study aims to solve the inverse problem for determining the heterogeneity of an object. The scattered field was measured outside its boundaries at a set of observation points. Both the radiation source and observation points were assumed to be
Externí odkaz:
https://doaj.org/article/1d24b3d185324eefbac5584170bfaaf3
Autor:
Andrey O. Lapich, Mikhail Yu. Medvedik
Publikováno v:
Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 1 (2024)
Background. The main purpose of this study is finding of solution the inverse problem of diffraction. The application of this problem may be relevant in the diagnosis of breast cancer. Materials and methods. The initial boundary value problem for the
Externí odkaz:
https://doaj.org/article/3aeb5134b8a746a38763080b67c092fb
Autor:
A. O. Lapich, M. Y. Medvedik
Publikováno v:
Учёные записки Казанского университета. Серия Физико-математические науки, Vol 165, Iss 2 (2024)
In this study, the development, design, and software implementation of the methods for solving the nonlinear diffraction problem were performed. The influence of nonlinear medium defined by the Kerr law on the propagation of a wave passing through an
Externí odkaz:
https://doaj.org/article/228ee669640a4229b7637adb122321f7
Autor:
Andrey O. Lapich, Mikhail Yu. Medvedik
Publikováno v:
Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 4 (2023)
Background. The purpose of the study is to construct a nonlinear electromagnetic field inside the waveguide. We assume that the body is located in a semi-infinite rectangular waveguide and that an electromagnetic field propagates inside the body. Ite
Externí odkaz:
https://doaj.org/article/d36789e22576460d915b4fb9076006fc
Autor:
Andrey O. Lapich, Mikhail Yu. Medvedik
Publikováno v:
Модели, системы, сети в экономике, технике, природе и обществе, Iss 4 (2023)
Background. The aim of the work is to develop methods for non-invasive determination of dielectric parameters of inhomogeneities inside the body. This problem arises in acoustics, electrodynamics, flaw detection, and also in medicine. Materials and m
Externí odkaz:
https://doaj.org/article/dae2ed95a6a44296ac289c01bb980e92
Akademický článek
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Akademický článek
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K zobrazení výsledku je třeba se přihlásit.
Autor:
Andrey O. Lapich, Mikhail Yu. Medvedik
Publikováno v:
Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 3 (2023)
Background. The purpose of the work is to solve the nonlinear integral equation describing the propagation of electromagnetic waves inside a body located in free space. Materials and methods. The boundary value problem for the Helmholtz equation is r
Externí odkaz:
https://doaj.org/article/50cfe0bb2e4a47548c30ad687413c3ad
Solution of a Scalar Two-Dimensional Nonlinear Problem of Diffraction on Objects of Arbitrary Shape.
Autor:
Lapich, A. O.1 (AUTHOR) lapich.a@yandex.ru, Medvedik, M. Yu.1 (AUTHOR) _medv@mail.ru
Publikováno v:
Technical Physics Letters. Jan2024, Vol. 50 Issue 1, p6-12. 7p.
Autor:
Lapich, A. O., Medvedik, M. Y.
Publikováno v:
Mathematical Models & Computer Simulations; Dec2024, Vol. 16 Issue 6, p806-813, 8p