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Simple approximations for diffraction coefficients of an impedance wedge

Osipov, Andrey (2003) Simple approximations for diffraction coefficients of an impedance wedge. In: PIERS 2003, p. 192. PIERS 2003, 2003-10-13 - 2003-10-16, Honolulu, USA.

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Official URL: http://www.emacademy.org/piers2k3/session.html


This paper deals with the diffraction by an impedance wedge. The solution of this problem provides us with the diffraction coefficients of edges in imperfectly conducting surfaces. In practical applications, the scattering boundary may have many edges. So, the diffraction coefficients must be calculated fast. On the other hand, accuracy requirements are typically moderate so that 1% accuracy is perceived to be sufficient. The use of available exact solutions for impedance wedges makes the calculations too time consuming and is limited to a few special cases. This paper proposes three various simple approximations for the diffraction coefficients of an impedance wedge. They make the calculations much faster, comply with the accuracy requirements, and two of them apply to the cases, in which no exact solutions are available.

Item URL in elib:https://elib.dlr.de/6106/
Document Type:Conference or Workshop Item (Speech)
Additional Information:LIDO-Berichtsjahr=2003
Title:Simple approximations for diffraction coefficients of an impedance wedge
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Journal or Publication Title:PIERS 2003
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:p. 192
EditorsEmailEditor's ORCID iDORCID Put Code
The Electromagnetics Academy, Cambridge, Massachusetts, USA., UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Keywords:diffraction coefficient, edge corrections, impedance boundary conditions, non-metallic wedge, physical theory of diffraction
Event Title:PIERS 2003
Event Location:Honolulu, USA
Event Type:international Conference
Event Dates:2003-10-13 - 2003-10-16
Organizer:The Electromagnetics Academy
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Military Technologies (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Deposited By: Osipov, Dr. Andrey
Deposited On:30 Jan 2006
Last Modified:06 Jan 2010 19:47

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