The aim of this paper is to propose the time domain version of the Uniform Asymptotic Physical Optics solution for the field diffracted by a junction formed by two thin layers consisting of highly conducting nonmagnetic dielectrics. The incidence direction is assumed to be orthogonal to the junction. The time domain diffracted field is obtained from the knowledge of the corresponding frequency domain expression, which contains the transition function of the Uniform Geometrical Theory of Diffraction, in the hypothesis of resistive sheet having resistivity not depending on the frequency. The Veruttipong's approach is applied by taking advantage from the fact that the corresponding high-frequency solution is given as superposition of the contributions due to each half-plane. The response to an incident unit step function plane wave is considered.

TD-UAPO solution for the field diffracted by a junction of two highly conducting dielectric slabs

FERRARA, Flaminio;GENNARELLI, Claudio;RICCIO, Giovanni
2007-01-01

Abstract

The aim of this paper is to propose the time domain version of the Uniform Asymptotic Physical Optics solution for the field diffracted by a junction formed by two thin layers consisting of highly conducting nonmagnetic dielectrics. The incidence direction is assumed to be orthogonal to the junction. The time domain diffracted field is obtained from the knowledge of the corresponding frequency domain expression, which contains the transition function of the Uniform Geometrical Theory of Diffraction, in the hypothesis of resistive sheet having resistivity not depending on the frequency. The Veruttipong's approach is applied by taking advantage from the fact that the corresponding high-frequency solution is given as superposition of the contributions due to each half-plane. The response to an incident unit step function plane wave is considered.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11386/1659681
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