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One-Dimensional Electronic Beam-Scanning Center-Fed Imaging Reflector Antenna

Michio TAKIKAWA, Izuru NAITO, Kei SUWA, Yoshio INASAWA, Yoshihiko KONISHI

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Summary :

We propose a new, compact, center-fed reflector antenna that is capable of one-dimensional electronic beam scanning. The reflector profile in the vertical section (beam-scanning) is set to an imaging reflector configuration, while the profile in the orthogonal horizontal section (non-beam-scanning) is set to a Cassegrain antenna configuration. The primary radiator is a one-dimensional phased array antenna. We choose a center-fed configuration in order to reduce the antenna size as much as possible, despite the fact that the increased blocking area from the primary radiator causes degradation in efficiency compared to the typical offset-type configuration. In the proposed configuration, beam scanning is limited to one dimension, but utilize a compact, center-fed configuration that maintains the features of an imaging reflector antenna. We present the antenna configuration and design method and show that results obtained from the prototype antenna verify the predicted performance.

Publication
IEICE TRANSACTIONS on Electronics Vol.E97-C No.1 pp.17-25
Publication Date
2014/01/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E97.C.17
Type of Manuscript
Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category
Antenna Technologies

Authors

Michio TAKIKAWA
  Mitsubishi Electric Corporation
Izuru NAITO
  Niihama National College of Technology
Kei SUWA
  Mitsubishi Electric Corporation
Yoshio INASAWA
  Mitsubishi Electric Corporation
Yoshihiko KONISHI
  Mitsubishi Electric Corporation

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