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Título: OMNIDIRECTIONAL DUAL-REFLECTOR SHAPING BY CONCATENATING CONIC SECTIONS
Instituição: ---
Autor(es): FERNANDO JOSE DA SILVA MOREIRA
JOSE RICARDO BERGMANN
Colaborador(es): ---
Catalogação: 31 11:10:20.000000/01/2013
Tipo: PAPER Idioma(s): ENGLISH - UNITED STATES
Nota:
© 2010 IEEE. Reprinted, with permission, from IEEE, 2010. 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=21076@2
Resumo:
This work presents the shaping of axis-symmetric omnidirectional dual-reflector antennas. The shaping procedure is based on the consecutive concatenation of conic sections, in order to provide a uniform phase distribution together with a prescribed amplitude distribution over the antenna cylindrical aperture under geometrical optics (GO) principles. To illustrate the shaping procedure, an axis-displaced Cassegrain is designed to provide a uniform aperture illumination. The GO shaping results are validated using accurate method-of-moments analysis.
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