An efficient technique for the rigorous analysis of shielded circuits and antennas of arbitrary shape
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Research GroupGrupo Electromagnetismo Aplicado a las Telecomunicaciones
Knowledge AreaTeoría de la Señal y las Comunicaciones
SponsorsThe present work has been developed at LEMA/EPFL under contract No. 11698/95/NL/SB with ESA/ESTEC in collaboration with ALCATEL SPACE, Toulouse, France and CASA, Madrid, Spain.
Realizado en/conSwiss Federal Institute of Technology, Lausanne, EPFL
Bibliographic CitationAlvarez-Melcon, A., & Mosig, J.R. (1998). An efficient technique for the rigorous analysis of shielded circuits and antennas of arbitrary shapes. En: JINA'98 International Symposium on Antennas. 17-19 November 1998, pp. 57-60, Nice, France
Cavity backed antennas
This paper presents an efficient technique for the analysis of arbitrary shaped circuits and antennas when embedded in metal-lic cavities. The technique uses the integral equation formulation and is based on the repre-sentation of the rigorous spatial domain boxed Green’s functions in terms of modal series ex-pansions. A new analytical integration scheme extended to arbitrary triangular domains is de-rived and asymptotic extraction procedures are used to enhance the convergence of the integral equation kernel. The technique thus derived is very efficient computationally and the simulated results show good agreement with measurements.
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