NDLI: Using Physical Optics shadow radiation to improve shadowing in Iterative Physical Optics

Content Provider	IEEE Xplore Digital Library
Author	Thomet, A. Kubicke, G. Bourlier, C. Pouliguen, P.
Copyright Year	2014
Description	Author affiliation: CGN1 Div., DGA/DT/MI (Direction Gen. de l'Armement - Direction Tech. - Maitrise de l'Inf.), Bruz, France (Kubicke, G.) \|\| IETR (Inst. d'Electron. et des Telecommun. de Rennes) Lab., LUNAM Univ., La Chantrerie, France (Thomet, A.; Bourlier, C.) \|\| DGA/DS/MRIS (Direction Gen. de l'Armement - Direction de la Strategie - Mission pour la Rech. et l'Innovation Sci.), Bagneux, France (Pouliguen, P.)
Abstract	Predicting aircraft ducts Radar Cross Section (RCS) is an interesting challenge. In order to calculate electromagnetic scattering in such open-ended cavities, several methods have been developed: some rigorous methods, and some asymptotic ones. Iterative Physical Optics (IPO) is an asymptotic method based on Physical Optics (PO), which has shown good results. This paper shows an improvement of IPO method for calculation of electromagnetic scattering by cavities, by using a physical approach (and not a geometrical technique as in classical PO method) to take into account shadowing effects. The method, called physical shadowing, is based on using shadow radiation (around forward direction) with PO approximation in the magnetic field integral equation applied to two coupled objects.
Sponsorship	IEEE Antennas & Propag. Soc.
Starting Page	2212
Ending Page	2213
File Size	279256
Page Count	2
File Format	PDF
ISBN	9781479935383
ISSN	15223965
e-ISBN	9781479935406
DOI	10.1109/APS.2014.6905433
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Shadow mapping Cavity resonators Physical optics Approximation methods Electromagnetic scattering Optical surface waves Method of moments
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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