Asymptotic solutions for scattered field by a coated conducting cylinder with a thin lossy dielectric material
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概要
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We derive the novel asymptotic solutions for the scattered field when a cylindrical wave is incident on a coated conducting cylinder with a thin lossy dielectric material. We show that the extended UTD (uniform geometrical theory of diffraction) solution and the modified UTD solution derived by retaining the second order term are uniformly applicable in the transition region near the shadow boundary and in the deep shadow region in which the conventional UTD shadow region solution produces the substantial errors. The validity of the asymptotic solutions proposed here is confirmed by comparing with the exact solution.
著者
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Goto Keiji
Department Of Anesthesiology And Resuscitology Okayama University Graduate School Of Medicine Dentis
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Loc Le
Department of Communication Engineering, National Defense Academy
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- Asymptotic solutions for scattered field by a coated conducting cylinder
- Asymptotic solutions for scattered field by a coated conducting cylinder with a thin lossy dielectric material