A Source-Model Technique for the Analysis of Transient Electromagnetic Scattering by a Periodic Array of Cylinders

The source-model technique is applied to the solution of the problem of electromagnetic scattering by a periodic array of perfectly conducting cylinders illuminated by a transient plane wave. Special attention is given to the non-causality problem arising in the case of oblique incidence. This probl...

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Veröffentlicht in:IEEE transactions on antennas and propagation 2007-09, Vol.55 (9), p.2578-2590
Hauptverfasser: Ludwig, A., Leviatan, Y.
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Leviatan, Y.
description The source-model technique is applied to the solution of the problem of electromagnetic scattering by a periodic array of perfectly conducting cylinders illuminated by a transient plane wave. Special attention is given to the non-causality problem arising in the case of oblique incidence. This problem is alleviated by utilizing a transformation specifically tailored to the source-model formulation in a manner that significantly reduces the number of unknown future values that are required at each time step. Using this transformation, together with a band-limited extrapolator, it is possible to obtain a relatively stable solution that provides a satisfactory degree of accuracy for a wide range of incidence angles. To exemplify the use of this technique, we apply it to the case of circular cylinders.
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subjects Antennas
Applied classical electromagnetism
Applied sciences
Arrays
Cylinders
Diffraction, scattering, reflection
Electromagnetic analysis
Electromagnetic scattering
Electromagnetic scattering by periodic structures
electromagnetic transient scattering
Electromagnetic transients
Electromagnetic wave propagation, radiowave propagation
Electromagnetism
electron and ion optics
Engine cylinders
Exact sciences and technology
Extrapolation
Fundamental areas of phenomenology (including applications)
Incidence
Integral equations
Periodic structures
Physics
Plane waves
Radiocommunications
Radiowave propagation
Stability
Surface-mount technology
Telecommunications
Telecommunications and information theory
Time domain analysis
Transformations
Transient analysis
title A Source-Model Technique for the Analysis of Transient Electromagnetic Scattering by a Periodic Array of Cylinders
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