Reflectarray and transmitarray antennas: operating principle, unit-cell design, S-parameter characterization, and applications in smart electromagnetic skins
Reflectarray and transmitarray antennas: operating principle, unit-cell design, S-parameter characterization, and applications in smart electromagnetic skins
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This lecture explores the significance of smart electromagnetic skins, focusing on their ability to reconfigure wave patterns without traditional RF chains. It covers the operating principles of reflectarrays and transmitarrays, emphasizing phase control and practical applications. The design of unit cells for optimal phase control is discussed, alongside S-parameter characterization for validating antenna efficiency. The transition from unit cells to complete smart skins is examined,...