Multi-pattern antenna having frequency selective or...

Details Multi-pattern antenna having frequency selective or... Multi-pattern antenna having frequency selective or...

H - Electricity

01

Q

H01Q 5/00 (2006.01) H01Q 1/28 (2006.01) H01Q 15/00 (2006.01) H01Q 19/195 (2006.01) H01Q 25/00 (2006.01)

Patent

CA 2293189

A multi-pattern antenna for providing a plurality of antenna patterns at different frequencies or polarizations from a single reflector body eliminates the need for multiple reflector antennas on a single spacecraft. The reflector antenna comprises a reflector body and an illumination source. The illumination source illuminates the reflector with a plurality of RF signals each of a preselected frequency or polarization. The reflector comprises a plurality of zones with each zone reflecting preselected RF signals. A plurality of antenna patterns are generated from the reflected RF signals. Each zone is sized to a preselected shape such that the antenna patterns have a desired shape or beamwidth characteristic.

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