H. S. Oranc, A.F. Fer
Abstract
A focused aperture antenna has been realised using a (Cassegrain) convex subreflector with a spherical main reflector. The design was based on geometrical optics, and good agreement was obtained between the measured and calculated field in the focal region.
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A focused aperture antenna has been realised using a (Cassegrain) convex subreflector with a spherical main reflector. The design was based on geometrical optics, and good agreement was obtained between the measured and calculated field in the focal region.
Key concepts: Cassegrain antenna, Cassegrain reflector, Reflector (photography), Optics, Periscope antenna, Aperture (computer memory), Feed horn, Offset dish antenna