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Título: AXIS-DISPLACED DUAL-REFLECTOR ANTENNAS FOR OMNIDIRECTIONAL COVERAGE WITH ARBITRARY MAIN-BEAM DIRECTION IN THE ELEVATION PLANE
Instituição: ---
Autor(es): FERNANDO JOSE DA SILVA MOREIRA
JOSE RICARDO BERGMANN
Colaborador(es): ---
Catalogação: 27 11:10:20.000000/01/2011
Tipo: PAPER Idioma(s): ENGLISH - UNITED STATES
Nota:
Copyright 2006 IEEE. Reprinted, with permission, from IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 54, NO. 10, OCTOBER 2006. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Pontifícia Universidade Catolica do Rio de Janeiro’s. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
Referência [en]: https://www.maxwell.vrac.puc-rio.br/eletricaonline/serieConsulta.php?strSecao=resultado&nrSeq=16809@2
Resumo:
The synthesis of classical dual-reflector antennas suited to provide omnidirectional coverages with arbitrary main-beam direction in the elevation plane is discussed. Both sub- and main reflectors are bodies of revolution generated by axis-displaced conic sections, so to transform a spherical radiation emanating from the antenna principal focus (at the symmetry axis) into an equiphase field distribution over a conical aperture. Closed-form design equations are presented for the geometric-optics synthesis of all possible configurations. Several case studies are investigated and analyzed by the accurate method of moments technique in order to validate the proposed design procedure.
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