Pulsed electromagnetic field radiation from a narrow slot antenna with a dielectric layer

Journal article (2010)

Authors

M. Stumpf International Research Centre for Telecommunication and Radar

A.T. de Hoop Electromagnetism

I.E. Lager Microwave Technology and Systems for Radar

Research Group

International Research Centre for Telecommunication and Radar

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Published Date

2010

Language

English

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Research Group

International Research Centre for Telecommunication and Radar

Abstract

Analytic time domain expressions are derived for the pulsed electromagnetic field radiated by a narrow slot antenna with a dielectric layer in a two-dimensional model configuration. In any finite time window of observation, exact pulse shapes for the propagated, reflected, and refracted wave constituents are constructed with the aid of the modified Cagniard method (Cagniard-DeHoop method). Numerical results are presented for vanishing slot width and field pulse shapes at the dielectric/free space interface. Applications are found in any system whose operation is based on pulsed electromagnetic field transfer and where digital signals are detected and interpreted in dependence on their pulse shapes.