Communications: radio wave antennas – Antennas – With spaced or external radio wave refractor
Patent
1978-06-22
1981-10-27
Lieberman, Eli
Communications: radio wave antennas
Antennas
With spaced or external radio wave refractor
343771, H01Q 1906
Patent
active
042977088
ABSTRACT:
A system for correcting for dispersion in a beam radiated by a flat microwave antenna due to variations in the frequency of operation by providing an electronically controlled phase shift of the beam in the plane of the dispersion. The methods consist of combining with the flat antenna a matrix of particular wire conductors of which certain are controlled such that the phase shift introduced by the matrix is able to correct for the dispersion of the flat antenna.
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patent: 3276023 (1966-09-01), Dorne et al.
patent: 3354461 (1967-11-01), Kelleher
patent: 3392393 (1968-07-01), Spitz
patent: 3708796 (1973-01-01), Bony
patent: 3961333 (1976-06-01), Purinton
Free et al., High Power Constant-Index Lens Antenna, IEEE Transactions, AP, Jul. 1974.
Rozenfeld, Electromagnetic Theory of Three-Dimensional Inhomogeneous Lenses, A.P., May 1971.
Mayhan et al., Low Sidelobe, K.sub.a -Band Antenna-Radome Study, A.P., Jul. 1975.
Radant-Copy of Verbal Presentation at 8th European Microwave Conference, Paris, 9-5-78.
Lieberman Eli
Societe d'Etude du Radant
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