Scattering from a periodic array of free-standing arbitrarily shaped perfectly conducting or resistive patches

A fast Fourier transform (FFT)-based iterative approach for computing the fields scattered by an infinite array of free-standing patches is presented. The method is capable of handling patches that are lossy and have arbitrary shape; it is useful for analyzing configurations that may not have been a...

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Veröffentlicht in:	I.R.E. transactions on antennas and propagation 1987-11, Vol.35 (11), p.1226-1234
Hauptverfasser:	Cwik, T., Mittra, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antennas Apertures Applied sciences Boundary conditions Dielectrics Electromagnetic reflection Electromagnetic scattering Exact sciences and technology Fast Fourier transforms Geometry Laboratories Optical reflection Radiocommunications Shape Telecommunications Telecommunications and information theory
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Beschreibung
Zusammenfassung:	A fast Fourier transform (FFT)-based iterative approach for computing the fields scattered by an infinite array of free-standing patches is presented. The method is capable of handling patches that are lossy and have arbitrary shape; it is useful for analyzing configurations that may not have been analyzed previously. Though a rectangular FFT is used, the formulation allows the study of the common triangular array periodicities. Results for various geometries are presented and are compared with existing results.
ISSN:	0018-926X 0096-1973 1558-2221
DOI:	10.1109/TAP.1987.1143999