Circularly Polarized Shaped-Beam Antenna for Broadcasting Satellites

Noboru TOYAMA, Kazuyoshi SHOGEN

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Summary :

A new type of shaped-beam antenna has been studied as a possible candidate for the antenna for the next generation Japanese broadcasting satellite which succeeds BS-2, launched January 23, 1984. The studied antenna employs an offset paraboloidal reflector with elliptical shape, an elliptical corrugated horn and a rectangular one. The studied antenna covers most part of the Japanese main lands with antenna gain of more than 39 dB, Okinawa more than 35 dB and remote islands more than 28 dB. The sidelobe and cross-polar components radiated outside the service area satisfies the WARC-BS on the basis of power flux density on the earth assuming 200 W output power of the transponder.

Publication
IEICE TRANSACTIONS on transactions Vol.E67-E No.12 pp.645-652
Publication Date
1984/12/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Antenna and Propagation

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