ELECTROMAGNETIC SCATTERING AND RADIATION BY SURFACES OF ARBITRARY SHAPE IN LAYERED MEDIA .1. THEORY
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An accurate and general procedure is developed for the analysis of electromagnetic radiation and scattering by perfectly conducting objects of arbitrary shape embedded in a medium consisting of an arbitrary number of planar, dielectric layers. The key step in this procedure is the formulation of the so-called mixed-potential electric field integral equation (MPIE) that is amenable to an existing advanced solution technique developed for objects in free space, and which employs the method of moments in conjunction with a triangular-patch model of the arbitrary surface. Hence, our goal is to immediately increase analysis capabilities in electromagnetics, yet remain compatible with the large existing base of knowledge concerning the solution of surface integral equations. In this first part of a two-part paper, three alternative forms of the MPIE in plane-stratified media are developed and their properties are discussed. In the second part, one of the developed MPIEs is implemented to analyze scatterers and antennas of arbitrary shape that penetrate the interface between contiguous dielectric halfspaces. 1990 IEEE
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
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MICHALSKI, K. A., & ZHENG, D. L.
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