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New class of primary-feed antennas for use with offset parabolic-reflector antennas

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2 Author(s)
A. W. Rudge ; ERA-IITRI, RF Technology Centre, Leatherhead, UK ; N. A. Adatia

In many practical applications the performance of an offset parabolic-reflector antenna is limited by the offset reflectors' depolarising and beam-squinting properties. The letter describes a new class of primary-feed antennas which overcome these limitations. The new primary-feed types offer a significant improvement in the crosspolar and beam-squinting properties of the offset reflector antenna, without adding significantly to the complexity or mass of the primary-feed system.

Published in:

Electronics Letters  (Volume:11 ,  Issue: 24 )