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A Semi-Analytical Solution of the Impedance-Wedge Problem

Osipov, Andrey (2021) A Semi-Analytical Solution of the Impedance-Wedge Problem. ICEAA 2021, 2021-08-09 - 2021-08-13, Honolulu, USA.

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Abstract

Diffraction of a plane electromagnetic wave by a wedge with infinite planar faces is a key canonical problem of high-frequency diffraction and scattering theories, including Geometrical, Uniform and Physical Theories of Diffraction (GTD, UTD and PTD). This paper presents a new solution of the problem, in the framework of which the spectra of the Sommerfeld-Maliuzhinets plane-wave expansion are constructed as meromorphic functions on the complex plane of the spectral variable. Retaining a finite number of poles in the approximation results in a finite system of equations that can be easily solved. Already the inclusion of several poles ensures accuracy acceptable in most practical applications.

Item URL in elib:https://elib.dlr.de/142423/
Document Type:Conference or Workshop Item (Speech)
Title:A Semi-Analytical Solution of the Impedance-Wedge Problem
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Osipov, AndreyAndrey.Osipov (at) dlr.dehttps://orcid.org/0000-0001-8678-9652
Date:2021
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:diffraction coefficient, edge correction, impedance boundary condition, wedge
Event Title:ICEAA 2021
Event Location:Honolulu, USA
Event Type:international Conference
Event Dates:2021-08-09 - 2021-08-13
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Security-relevant Earth Observation
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Reconnaissance and Security
Deposited By: Osipov, Dr. Andrey
Deposited On:31 May 2021 09:22
Last Modified:19 Aug 2021 12:27

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