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A Simple Approximation of the Maliuzhinets Function for Describing Wedge Diffraction

Osipov, Andrey (2005) A Simple Approximation of the Maliuzhinets Function for Describing Wedge Diffraction. IEEE Transactions on Antennas and Propagation, 53 (8), pp. 2773-2776.

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Abstract

Maliuzhinets’ function plays a key role in the theory of diffraction by wedges with isotropic imperfectly reflecting, e.g. absorbing or coated with a thin layer of dielectric material, faces. Nearly all available exact solutions for non-metallic wedges are expressed through this function. The paper proposes a new approximation of the Maliuzhinets function by using a single cosine function. This is the simplest approximation available in the literature, which permits representing fields scattered by non-metallic wedges in terms of elementary functions only. The accuracy of the approximation, as applied to the case of an impedance wedge under normal illumination, is estimated both analytically and numerically.

Document Type:Article
Additional Information:LIDO-Berichtsjahr=2005
Title:A Simple Approximation of the Maliuzhinets Function for Describing Wedge Diffraction
Authors:
AuthorsInstitution or Email of Authors
Osipov, AndreyUNSPECIFIED
Date:2005
Journal or Publication Title:IEEE Transactions on Antennas and Propagation
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:53
Page Range:pp. 2773-2776
Status:Published
Keywords:Approximation methods, electromagnetic scattering, geometrical theory of diffraction, non-metallic wedges, physical theory of diffraction
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Military Technologies
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Deposited By: Dr. Andrey Osipov
Deposited On:30 Jan 2006
Last Modified:06 Jan 2010 20:02

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