Results 161 to 170 of about 302,217 (218)
A Low-Profile Dual-Polarized High-Gain Low Cross-Polarization Phased Array for Ku-Band Satellite Communications. [PDF]
Sensors (Basel)Huang Y +8 more
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5G-enabled, battery-less smart skins for self-monitoring megastructures and digital twin applications. [PDF]
Sci RepLynch C +9 more
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Causality Implications for Absorption by EM Metasurfaces. [PDF]
Nanomaterials (Basel)Valagiannopoulos C.
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Design and Analysis of Dual-Polarized Frequency-Selective Metasurface for X-Band Notch Applications. [PDF]
Sensors (Basel)Idrees M, Wong SW, He Y.
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A High-Gain and Dual-Band Compact Metasurface Antenna for Wi-Fi/WLAN Applications. [PDF]
Materials (Basel)Zhou Y, Zheng Y.
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Optimization of a Gangbuster Reflectarray Antenna
2005 IEEE Antennas and Propagation Society International Symposium, 2005 In this paper we discuss the optimization of the design, carried out through a pseudo-random optimization algorithm, of a gangbuster reflectarray antenna. The variation of reflection coefficient phase on the reflectarray surface is achieved by varying the length of the local wires in the gangbuster surface. For the optimization, a genetic algorithm has
MUSSETTA, MARCO +4 more
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An Amplifying Reconfigurable Reflectarray Antenna
IEEE Transactions on Antennas and Propagation, 2012Electronically tunable reflectarrays and amplifying reflectarrays have attracted considerable research in recent years, however, little work has been done to combine these two features simultaneously in a single design. This paper focuses on the design of such a reflectarray, which can be used as a high gain, reconfigurable transmitting antenna for ...
Sean Hum
exaly +2 more sources
Electromagnetically Controlled Beam-Steerable Reflectarray Antenna [PDF]
IEEE Transactions on Antennas and Propagation, 2023 A beam-steerable 2 bit reflectarray antenna with an electromagnetic control mechanism is presented in this communication. The phase reflection of the proposed 2 bit reflectarray unit elements is altered by moving two pins between a patch and the ground ...
Gert F Pedersen +2 more
exaly +2 more sources
A Reconfigurable Reflectarray Antenna Unit Cell
2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI), 2022This paper focuses on the application of a tunable square microstrip unit cell to the design of a wideband reconfigurable reflectarray antenna. The design utilizes the concept of varactor-loaded stubs to provide a wide tuning range with sufficient phase range.
Zainarry, Siti Nailah Mastura +3 more
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IEEE Transactions on Antennas and Propagation, 1963
A class of antennas that utilizes arrays of elementary antennas as reflecting surfaces has been investigated. An antenna of this type is here called a Reflectarray. It has been found that the Reflectarray combines much of the simplicity of the reflector-type antenna with the performance versatility of the array type. The reflecting surfaces employed in
D. Berry, R. Malech, W. Kennedy
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A class of antennas that utilizes arrays of elementary antennas as reflecting surfaces has been investigated. An antenna of this type is here called a Reflectarray. It has been found that the Reflectarray combines much of the simplicity of the reflector-type antenna with the performance versatility of the array type. The reflecting surfaces employed in
D. Berry, R. Malech, W. Kennedy
openaire +1 more source