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This paper reports on the detailed design and experimental demonstration of a metamaterial-enabled low-sidelobe horn antenna (metahorn) based on principles similar to those of earlier soft horn antennas. The target application is a linearly polarized feed horn in the super-extended C-band (3.4–6.725 GHz) for communication satellite reflector antennas. The paper describes the detailed design and manufacturing...
A satellite-based waveguide feed network was designed that can produce dual LP in one band and dual CP in another. This design is simpler than the alternative designs, not having a symmetric OMT and requiring fewer phase matched paths. Because phase errors only rotate the linear polarization and do not degrade it, there is no cross-polarization risk due to phase errors for applications where the ground...
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