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- Kazuya Kobayashi, Yury Shestopalov, Yu. Smirnov
- SIAM Journal of Applied Mathematics
- 2009

The problem of diffraction of an electromagnetic field by a locally nonhomogeneous body in a perfectly conducting waveguide of rectangular cross section is considered. This problem is reduced to solving a volume singular integral equation (VSIE). The examination of this equation is based on the analysis of the corresponding boundary value problem (BVP) for… (More)

- Alexander Samokhin, Yury Shestopalov, Kazuya Kobayashi
- Applied Mathematics and Computation
- 2013

- Hans W. Schürmann, Yu.G. Smirnov, Yury Shestopalov
- Physical review. E, Statistical, nonlinear, and…
- 2005

The propagation of TE-polarized electromagnetic waves along a Kerr-type nonlinear dielectric, nonabsorbing, nonmagnetic, and isotropic (circular) cylindrical waveguide is investigated. For axially (azimuthal) symmetric solutions the problem is reduced to a cubic-nonlinear integral equation that is solved by iteration leading to a sequence uniformly… (More)

- Yury Podlipenko, Yury Shestopalov, Vladimir Prishlyak
- 2010 URSI International Symposium on…
- 2010

The creation and justification of the methods for minimax estimation of parameters of the external boundary value problems for the Helmholtz equation in unbounded domains are considered. When observations are distributed in subdomains, the determination of minimax estimates is reduced to the solution of integro-differential equations in bounded domains.… (More)

- B. A. Lagovsky, Alexander B. Samokhin, Yury Shestopalov
- 2016 URSI International Symposium on…
- 2016

Resolution of goniometric systems on the basis of antenna arrays can be increased due to the secondary digital processing of the accepted signals. Necessary algorithms are created on the basis of solution to inverse problems.

- Alexander P. Smirnov, E. A. Sheina, Yury Shestopalov, Alexander N. Semenov
- 2015 International Conference on Electromagnetics…
- 2015

We consider numerical determination of the dielectric media parameters of inclusions in a waveguide of rectangular cross-section from the transmission coefficient. We develop and apply computer codes implementing the FDTD algorithm for nonstationary Maxwell's equations with perfectly matched layer (PML) absorbing boundary conditions using the Berenger… (More)

- E. A. Sheina, Alexander P. Smirnov, Yury Shestopalov
- 2016 URSI International Symposium on…
- 2016

We consider numerical determination of the dielectric media parameters of inclusions in a waveguide of rectangular cross-section from the transmission coefficient. We develop and apply computer codes implementing the FDTD algorithm for numerical solution of the nonstationary Maxwell equations with perfectly matched layer (PML) absorbing boundary conditions… (More)

- Pavel Tomasek, Yury Shestopalov, Vojtech Kresálek
- 2015 International Conference on Electromagnetics…
- 2015

This work aims at comparison of some traditional evolutionary algorithms (GA, DE, PSO) used in the computation and optimization of transmission coefficients of waveguide filters and in the estimation of the permittivity formed by multi-sectional diaphragms in a waveguide of rectangular cross-section.

This study employs the technique developed in the earlier studies of the authors aimed at complex permittivity reconstruction of layered materials in the form of diaphragms (sections) in a single-mode waveguide of rectangular cross section from the transmission coefficient measured at different frequencies. The permittivity is assumed to be a function of… (More)

- Alexander Kwok-Wah Fung, AL GASIEWSKI, +100 authors Yury Shestopalov
- 2005