Antenna system with multiple independently steerable shaped beams
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United States of America Patent
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Sep 26, 2017
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app pub date -
Sep 22, 2011
filing date -
Sep 22, 2011
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Abstract
An antenna system having a main reflector and at least two subreflectors is configured to provide at least two independently steerable beams. Each subreflector is configured to illuminate the main reflector, and each subreflector is configured to be illuminated by a respective dedicated feed element or dedicated feed array. At least one of the subreflectors is configured to steer a first beam, without affecting the shape or orientation of any other beam. One or more of the beams may also be independently shaped, by a contoured surface of one or more subreflectors and/or the main reflector.
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