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Electromagnetic scattering from metallic disc: numerical analysis and experimental validation

Culhaoglu, Ali Eren and Kemptner, Erich and Osipov, Andrey (2007) Electromagnetic scattering from metallic disc: numerical analysis and experimental validation. ONERA-DLR Aerospace Symposium (ODAS), 2007-10-17 - 2007-10-19, Göttingen, Germany.

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Abstract

This work focuses on experimental validation of a numerical approach for prediction of radar cross section (RCS) of an infinitely thin perfectly conducting disc. The approach uses an exact solution of Maxwell’s equation, given by Meixner and Andrejewski in 1950 in terms of vector wave functions in the oblate spheroidal coordinate system. The disc is an important canonical target employed for calibration of radar devices. Numerical simulation of electromagnetic scattering from a disc is, however, difficult because of the presence of the edge which makes approximate solutions obtained with standard methods, like physical optics, insufficiently accurate. The solution by Meixner exactly accounts for the edge effects but assumes an idealized physical model of the scatterer (infinitely thin, perfectly conducting) and is mathematically complicated. That is why a comparison with experimental results is particularly important in this case.

Document Type:Conference or Workshop Item (Speech)
Title:Electromagnetic scattering from metallic disc: numerical analysis and experimental validation
Authors:
AuthorsInstitution or Email of Authors
Culhaoglu, Ali ErenUNSPECIFIED
Kemptner, ErichUNSPECIFIED
Osipov, AndreyUNSPECIFIED
Date:October 2007
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:canonical scatterer, electromagnetic fields, numerical simulations, experimental analysis, reference solution, spheroidal functions
Event Title:ONERA-DLR Aerospace Symposium (ODAS)
Event Location:Göttingen, Germany
Event Type:international Conference
Event Dates:2007-10-17 - 2007-10-19
Organizer:ONERA - DLR
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 > Microwave Systems
Microwaves and Radar Institute
Deposited By: Ali Eren Culhaoglu
Deposited On:12 Nov 2007
Last Modified:27 Apr 2009 14:28

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