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Wiener-Hopf Analysis of the Plane Wave Diffraction by a Thin Material Strip
Takashi NAGASAKA Kazuya KOBAYASHI
IEICE TRANSACTIONS on Electronics
Publication Date: 2017/01/01
Online ISSN: 1745-1353
Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
material strip, approximate boundary conditions, Wiener-Hopf technique, asymptotic solution, radar cross section,
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The diffraction by a thin material strip is analyzed for the H-polarized plane wave incidence using the Wiener-Hopf technique together with approximate boundary conditions. An asymptotic solution is obtained for the case where the thickness and the width of the strip are small and large compared with the wavelength, respectively. The scattered field is evaluated asymptotically based on the saddle point method and a far field expression is derived. Scattering characteristics are discussed in detail via numerical results of the radar cross section.