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High-frequency asymptotic solutions benchmarking skew incidence diffraction by anisotropic impedance half and full planes

Osipov, Andrey und Nepa, Paolo und Manara, Giuliano und Armogida, Andreina (2007) High-frequency asymptotic solutions benchmarking skew incidence diffraction by anisotropic impedance half and full planes. Radio Science, 42 (6). DOI: 10.1029/2007RS003650.

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Kurzfassung

The diffraction of plane waves obliquely incident on the edge of anisotropic impedance half and full planes is investigated. Homogeneous anisotropic impedance boundary conditions are defined on both faces of the canonical structures under study, the principal anisotropy axes being parallel and perpendicular to the edge. Rigorous integral representations for the longitudinal field components are derived by applying the Sommerfeld-Maliuzhinets method for a set of specific electrical configurations. Explicit uniform asymptotic expressions for the fields are given in the format of the Uniform Geometrical Theory of Diffraction (UTD). Although obtained for a specific class of geometrical and electrical configurations, these high-frequency solutions provide a contribution for investigating the effects of material anisotropy on edge diffraction, as they represent a new set of reference cases for either developing perturbative solutions or testing numerical and approximate analytical methods of more general validity. Furthermore, these solutions extend the applicability of the Sommerfeld-Maliuzhinets technique and represent a step forward to the solution of more general wedge canonical problems.

Dokumentart:Zeitschriftenbeitrag
Titel:High-frequency asymptotic solutions benchmarking skew incidence diffraction by anisotropic impedance half and full planes
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Osipov, AndreyNICHT SPEZIFIZIERT
Nepa, PaoloDepartment of Information Engineering, University of Pisa, Italy
Manara, GiulianoDepartment of Information Engineering, University of Pisa, Italy
Armogida, AndreinaRTW S.r.l, Pisa, Italy
Datum:2007
Erschienen in:Radio Science
Referierte Publikation:Ja
In ISI Web of Science:Ja
Band:42
DOI :10.1029/2007RS003650
Status:veröffentlicht
Stichwörter:Anisotropic surface, half plane, full plane impedance junction, reflection, scattering, UTD
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Luftfahrt
HGF - Programmthema:Starrflügler
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L AR - Starrflüglerforschung
DLR - Teilgebiet (Projekt, Vorhaben):L - Militärische Technologien
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Hochfrequenztechnik und Radarsysteme > Mikrowellen-Systeme
Hinterlegt von: Dr. Andrey Osipov
Hinterlegt am:05 Feb 2008
Letzte Änderung:15 Jan 2010 01:51

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