Search Results - "Shestopalov, Y."

Resonance frequencies of arbitrarily shaped dielectric cylinders by Shestopalov, Y.

“…We consider eigenvalue problems for dielectric cylindrical scatterers of arbitrary cross with generalized conditions at infinity that enable one to take into…”
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Trigonometric and cylindrical polynomials and their applications in electromagnetics by Shestopalov, Y.

“…A development of the theory of trigonometric polynomials (TPs) is considered that involves generalization of the notion of TP and extension of the methods and…”
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Advantages of a Multi‐Frequency Experiment for Determining the Dielectric Constant of a Layer in a Rectangular Waveguide and Free Space by Sheina, E. A., Shestopalov, Y. V., Smirnov, A. P.

“…An inverse problem of reconstructing real permittivity of a plane‐parallel layer in a perfectly conducting rectangular waveguide or in free space from…”
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Optimal parameters of a multi-frequency experiment in an inverse problem of determining the dielectric constant of an inclusion in free space and in a waveguide by Sheina, E.A., Smirnov, A.P., Shestopalov, Y.V.

“…•The ill-posed problem of finding the dielectric constant of a material is studied.•A well-posed vector inverse problem is posed for an perfect…”
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On the Resonant Frequencies of a Partially Shielded Circular Dielectric Cylinder by Abgaryan, G. V., Shestopalov, Y. V., Romanov, K. A.

“…The problem of the diffraction of a TE-polarized electromagnetic wave on a circular dielectric slot resonator is studied. Using the method of integral-summing…”
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Novel High-sensitivity Non-destructive Technique for the Measurement of Permittivity of a Low-loss Dielectric Slab in Free Space by Kushnin, R., Kuzminovs, G., Semenjako, J., Shestopalov, Y. V.

“…In the present paper, the high-sensitivity technique for reducing the uncertainty of the free-space measurements of the real part of the permittivity of…”
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Symmetric surface waves along a metamaterial dielectric waveguide and a perfectly conducting cylinder covered by a metamaterial layer by Shestopalov, Y., Kuzmina, E.

“…Existence of symmetric complex waves in a metamaterial dielectric rod and a perfectly conducting cylinder of circular cross section covered by a concentric…”
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Spectra of Nonselfadjoint Eigenvalue Problems for Elliptic Systems in Mathematical Models of the Wave Propagation in Open Waveguides by Shestopalov, Y. V., Smolkin, E., Kuzmina, E.

“…Statements and analysis are presented of nonselfadjoint eigenvalue problems for elliptic equations and systems, including singular Sturm–Liouville problems on…”
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Stability of Least Squares for the Solution of an Ill-posed Inverse Problem of Reconstructing Real Value of the Pcrrnittivity of a Dielectric Layer in a Rectangular Waveguide by Sheina, E. A., Shestopalov, Y. V., Smitnov, A. P.

“…We use the solution to Maxwell's equations in a rectangular single-mode waveguide with multi-mode boundary conditions at its flanges to determine the…”
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Hybrid Parallelism in Finite Volume Based Algorithms in Application to Two-Dimensional Scattering Problem Setting by Zagidullin, R. R., Smirnov, A. P., Matveev, S. A., Shestopalov, Y. V., Rykovanov, S. G.

“…We analyze the parallelism particularities of finite volume based computational algorithms. We use a problem set from electrodynamics and parallelize its…”
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Symmetric surface complex waves in Goubau Line by Kuzmina, E.A., Shestopalov, Y.V.

“…Existence of symmetric surface complex waves in a Goubau line-a perfectly conducting cylinder of circular cross-section covered by a concentric dielectric…”
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Uniqueness of complex permittivity reconstruction in a parallel-plane waveguide by Shestopalov, Y. V., Yakovlev, V. V.

“…The paper presents a statement and a proof of uniqueness of solution to the inverse problem of determination of permittivity of a lossy dielectric inclusion in…”
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Justification of Mathematical Imaging Technique for the Permittivity Determination of Layered Dielectrics in a Waveguide by Shestopalov, Y.

“…An introduction to mathematical imaging technique for solving inverse scattering problems is given. Applications are considered to inverse waveguide problems…”
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Integral Equation Approach for the Propagation of TE-Waves in a Nonlinear Dielectric Cylindrical Waveguide by Smirnov, Y, Schürmann, H W, Shestopalov, Y

“…We consider the propagation of TE-polarized electromagnetic waves in cylindrical dielectric waveguides of circular cross section filled with lossless,…”
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Mechanically tunable coupled resonator waveguide bandpass filter by Kimsis, Karlis, Semenjako, Janis, Shestopalov, Y. V.

“…This paper proposes a novel mechanically tunable waveguide filter design, based on a coupled resonator topology. The resonator geometry consists of a…”
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Resonant states in forward and inverse waveguide scattering problems by Shestopalov, Y.

“…It is shown that the transmission coefficient of parallel-plane multi-sectional dielectric diaphragms in a waveguide of rectangular cross section has…”
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Angular Superresolution Based on A Priori Information by Lagovsky, B., Samokhin, A., Shestopalov, Y.

“…The results of theoretical studies and mathematical modeling indicate the possibility of obtaining the angular superresolution and its limits by using…”
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Propagation of TE waves in cylindrical nonlinear dielectric waveguides by Schürmann, H W, Smirnov, Y, Shestopalov, Y

“…The propagation of TE-polarized electromagnetic waves along a Kerr-type nonlinear dielectric, nonabsorbing, nonmagnetic, and isotropic (circular) cylindrical…”
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Reconstruction of permittivity of multiple layers in free space by Tomasek, P., Shestopalov, Y. V., Kresalek, V.

“…The goal of this theoretical study is the improvement of the techniques of determining electromagnetic permittivity. However, it may be developed and applied…”
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Comparison of selected evolutionary techniques used in reconstruction of permittivity by Tomasek, P., Shestopalov, Y. V., Kresalek, V.

“…This work aims at comparison of some traditional evolutionary algorithms (GA, DE, PSO) used in the computation and optimization of transmission coefficients of…”
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