Title :
Calculation of the near-field from axial symmetric apertures using Gaussian-like discretization of the aperture field
Author :
Costa, Jorge R. ; Fernandes, Carlos A.
Author_Institution :
Instituto de Telecomunicacoes, Inst. Superior Tecnico, Lisboa, Portugal
Abstract :
A Gabor variant is presented to determine the near-field from axial symmetric feeds with φ-independent fields. This method can be used for the analysis of small shaped dielectric lens antennas, when the classical geometric optics based approach fails.
Keywords :
antenna radiation patterns; antenna theory; aperture antennas; dielectric devices; electromagnetic field theory; lens antennas; Gabor variant; Gaussian-like discretization; aperture field; axial symmetric aperture near-field calculation; axial symmetric feeds; dielectric lens antennas; geometric optics; integrated lens antennas; Apertures; Bandwidth; Dielectrics; Feeds; Gaussian processes; Geometrical optics; Lenses; Optical sensors; Physical optics; Telecommunications;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2004. IEEE
Print_ISBN :
0-7803-8302-8
DOI :
10.1109/APS.2004.1330434
