Electromagnetic scattering for oblique incidence on impedance bodies of revolution

Author

Graglia, Roberto D. ; Uslenghi, Piergiorgio L E ; Vitiello, Roberto ; D´Elia, Ugo

Author_Institution

Dipartimento di Elettronica, Politecnico di Torino, Italy

Volume

43

Issue

1

fYear

1995

fDate

1/1/1995 12:00:00 AM

Firstpage

11

Lastpage

26

Abstract

Combined field integral equations for the surface currents induced by an obliquely incident wave on a rotationally symmetric body are considered. The relative surface impedance is independent of the azimuthal angle but may vary along the profile of the scatterer in any plane containing the axis of symmetry; the currents are conveniently expressed in terms of Fourier series of uncoupled terms in the azimuthal angle. Simple integral expressions for the far field are given and a computer code is described and tested on a variety of scatterers. Geometry of scatterer, surface impedance and Fourier harmonics of induced currents are described by splines. The results are in agreement with physical interpretation

Keywords

Fourier analysis; electric current; electric impedance; electromagnetic fields; electromagnetic induction; electromagnetic wave scattering; integral equations; splines (mathematics); Fourier harmonics; Fourier series; azimuthal angle; computer code; electromagnetic scattering; far field; field integral equations; impedance bodies of revolution; induced surface currents; oblique incidence; splines; surface impedance; Azimuthal angle; Boundary conditions; Electromagnetic scattering; Integral equations; Radar scattering; Rough surfaces; Surface impedance; Surface roughness; Surface treatment; Surface waves;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/8.366347

Filename

366347