2009•IEEE Transactions on Antennas and PropagationRequires access

Moment Method Analysis of Corrugated Surfaces Using the Aperture Integral Equation

E. Alfonso, Alejandro Valero‐Nogueira, José I. Herranz-Herruzo, Felipe Vico

Abstract

This communication describes a method of moments formulation to analyze the scattering from corrugated surfaces. The approach is based on the aperture integral equation. Such approach decouples the analysis of the impedance effect of the grooves from the external coupling among grooves and allows us to deal accurately with grooves of any shape. Advantage is taken of the geometrical properties of the problem to solve it efficiently using a conjugate gradient-FFT algorithm.

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Available abstract

Key concepts: Method of moments (probability theory), Integral equation, Conjugate gradient method, Aperture (computer memory), Moment (physics), Fast Fourier transform, Electrical impedance, Coupling (piping)