NDLI: Calculation method of EM field diffracted from a conductive circular disk for vertically polarized electric dipole incidence

Content Provider	IEEE Xplore Digital Library
Author	Kinoshita, Teruhiro Kuroki, Takashi Shibazaki, Toshihiko
Copyright Year	2015
Description	Author affiliation: Tokyo Metro. College of Industrial Tech., Shinagawa, 140-0011, Japan (Kuroki, Takashi; Shibazaki, Toshihiko) \|\| Tokyo Polytech. Univ., Atsugi, Kanagawa, 243-0297, Japan (Kinoshita, Teruhiro)
Abstract	The electromagnetic scattered field by a perfectly conducting circular disk is analyzed by using a technique developed by Y. Nomura and S. Katsura (J. J. Bowman, T. B. A. Senior and P. L. E. Uslenghi, Electromagnetic and Acoustic Scattering by Simple Shapes, 1969, pp.557–561), while a vertically polarized electric dipole source is located near the disk (see Fig. 1). A Hertz vector of the scattered field is expanded as follows: equation and $П^{(s)}$ = 0, where equation are expansion coefficients, εn = 2, (n ≠ 0), = 1, (n = 0). Function $S^{n}$ (ρ, z) is seen in the literature (Y. Nomura and S. Katsura, J. Phys. Soc. of Jap., 10, 1955, pp.285–304). In the case of vertically polarized dipole incidence, i.e. equation from the boundary condition on the disk, the scattered Hertz vector is presented in the form equation on the disk (z = 0, ρ < a), where equation, and U is a scalar function and satisfies a following two dimensional inhomogeneous wave equation: equation Applying the solution of Eq. (3) to Eq. (2), and matching with Eq. (1) on the disk, an infinite set of simultaneous linear equation of the expansion coefficients is obtained. After truncating the infinite equation and considering the edge condition, we can solve the equation, and the coefficients are evaluated numerically.
Starting Page	1
Ending Page	1
File Size	678529
Page Count	1
File Format	PDF
ISBN	9789090086286
DOI	10.1109/URSI-AT-RASC.2015.7302906
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-16
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	International Union of Radio Science (URSI)
Content Type	Text
Resource Type	Article

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