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Integral equation solution for truncated slab structures by using a fringe current formulation

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3 Author(s)
Jorgensen, E. ; Dept. of Electr. Syst., Tech. Univ., Lyngby, Denmark ; Toccafondi, A. ; Maci, S.

Full-wave solutions of truncated dielectric slab problems are interesting for a variety of engineering applications, in particular patch antennas on finite ground planes. For this application a canonical reference solution is that of a semi-infinite slab illuminated by a line source. Standard integral equation (IE) techniques are not easily applied to this problem, since unknown equivalent currents have to be distributed on a semi-infinite domain. In this paper we present a surface/surface approach, applied to an IE which is based on a non-conventional formulation. More precise, the unknowns of this IE are the difference between the actual currents and the currents of the infinite structure (without truncation).

Published in:

Antennas and Propagation Society International Symposium, 1999. IEEE  (Volume:4 )

Date of Conference:

11-16 July 1999