Geodesic dome/lens antenna

Details Geodesic dome/lens antenna Geodesic dome/lens antenna

H - Electricity

01

Q

351/27, 351/51

H01Q 19/06 (2006.01) H01Q 3/24 (2006.01) H01Q 15/04 (2006.01) H01Q 15/08 (2006.01)

Patent

CA 1192659

ABSTRACT An antenna of the geodesic lens type is disclosed. The antenna structure is based on optical principles and provides wide angle scanning of a narrow beam. The exact shape of the domed structure 10 is found by solving an integral equation and results in nearly perfect focus in the scan plane. A dielectric loaded flared horn 20 is attached to the feed circle 15 of the domed structure and focusses energy in the plane orthogonal to the scan plane. The cross sectional shape of the outer curvature of the dielectric 21 is elliptical. Since the structure is circularly symmetrical, constant beam shape, wide angle scanning, and a rapid scan rate are possible.

421256

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