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This letter presents the design principle and experimental verification of a Ku‐band wideband low‐profile dual‐circularly polarized (dual‐CP) reflectarray (RA) with independent control of left‐/right‐handed circularly polarized (LHCP/RHCP) beams. Both the dynamic phase (DP) and Berry phase (BP) compensating methods are employed in the design of the unit cell, achieving independent LHCP/RHCP phase...
The RFID systems are used more and more widely, and the low profile and low cost antennas are strongly needed for some base stations. Here a novel 3D miniaturized RFID antenna is proposed. It consists of two vertical printed triangular monopole antenna elements. And top-loading is used to reduce the antenna's profile. Four tuning poles are adopted for better matching and broader bandwidth. The measured...
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