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This document describes a dual-wideband dual-circularly-polarized shared-aperture reflectarray antenna operating at K-band and Ka-band frequencies using a single functional substrate. The reflectarray cells are designed to provide independent phase control of orthogonal circularly polarized beams at both frequency bands, allowing for four degrees of freedom for beamforming. Two prototype reflectarrays were fabricated and measured to demonstrate wideband performance, generating symmetrically and asymmetrical

Author

alok kumar Lenka

Language

EN