Satellite tracking antenna with multiple reflectors

Details Satellite tracking antenna with multiple reflectors Satellite tracking antenna with multiple reflectors

H - Electricity

01

Q

351/14

H01Q 19/18 (2006.01) H01P 3/20 (2006.01) H01Q 3/08 (2006.01) H01Q 3/12 (2006.01) H01Q 19/19 (2006.01)

Patent

CA 1067204

S P E C I F I C A T I O N ABSTRACT OF THE DISCLOSURE An antenna apparatus comprising a primary radiator having an axially symmetric field pattern, and a main reflector and a subreflector coupled to the primary radiator through a beam wave-guide path. The antenna rotating axis is aligned with the axis of the primary radiator but a little deviated from the polar axis of the earth. At least one movable beam wave- guide reflector or electromagnetic lens is provided in a radio wave path between the primary radiator and the subreflector. The antenna rotating axis is adapted to be rotatable only within a small angular range. The beam wave-guide reflector or electromagnetic lens is moved to thereby deflect the antenna beam.

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