Optimization of the boundary conditions and computational parameters for the FDTD solution of the inverse problem of reconstructing permittivity of a dielectric inclusion in a waveguide

Авторы: Sheina E.A., Smirnov A.P., Shestopalov Y.V.
Сборник: 2016 Progress In Electromagnetic Research Symposium (PIERS), Shanghai, China, 8–11 August
Серия: IEEE Xplore Digital Library
Год издания: 2016
Место издания: IEEE
Первая страница: 211
Последняя страница: 216
DOI: 10.1109/PIERS.2016.7734295
Аннотация: Wave propagation in a waveguide of rectangular cross section with perfectly conducting wall containing an inhomogeneous dielectric insert in the form of a parallel-plane diaphragm with an inclusion is simulated numerically. The permittivity of the inclusion is a quantity to be restored from as little information about the scattered field as possible using FDTD numerical solution of Maxwell's equations with nonlocal multimode scattering boundary conditions. The optimal number of higher-order evanescent waves and the size of the computational waveguide domain are found using the series of numerical experiments.
Добавил в систему: Шеина Елена Анатольевна

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