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Publication# Equivalent surface modelling for reconfigurable partially reflective surface antennas

Abstract

This paper presents an efficient modelling technique for partially reflective surface (PRS) antennas, based on the substitution of the actual detailed PRS by an uniform equivalent surface impedance. The properties of the equivalent surface are rigorously extracted from the simulation of the detailed PRS unit cell in its periodic environment. The model yields accurate results in considerably shorter time than when the PRS with detailed geometry is employed, thereby enabling the efficient analysis and design of such antennas, which is especially important in the case of their reconfigurable implementation. © 2011 EurAAP.

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In mathematics, particularly in complex analysis, a Riemann surface is a connected one-dimensional complex manifold. These surfaces were first studied by and are named after Bernhard Riemann. Riemann surfaces can be thought of as deformed versions of the complex plane: locally near every point they look like patches of the complex plane, but the global topology can be quite different. For example, they can look like a sphere or a torus or several sheets glued together.

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