Results 101 to 110 of about 140,738 (213)

Reflectarray Antennas

International Journal of Computer Applications, 2014
Amit A. Deshmukh, Ameya A. Kadam, Ami A. Desai, Kshitij Lele   +3 more
openaire   +1 more source

Circularly Polarized Folded Reflectarray Antenna With Improved Aperture Efficiency

IEEE Open Journal of Antennas and Propagation
This paper presents a method for improving the aperture efficiency of circularly polarized folded reflectarray (CPFRA) antennas. The reflection-phase distribution of the circular polarization selective surface (CPSS) constituting the CPFRA antenna is ...
Makoto Sano
doaj   +1 more source

Analisys of Conformal Antennas for Avionics Applications [PDF]

, 2007
Conformal antennas might have an important impact on communication and navigation applications on aircraft, ships and other vehicles. This thesis work presents a general study on conformal antennas and their potential application on aircraft structures ...
Redondo Gonzalez, Maria del Carmen
core  

Multibeam Compact Reflectarray Antenna With Low Scan Loss and Wide-Angle Performance Using a Multi-Feed Configuration

IEEE Open Journal of Antennas and Propagation
In this article, two multibeam reflectarray antennas are presented for Ka-band in a multi-feed configuration. Both feature a wide-angle scanning range with very low scan losses.
Andres Gomez-Alvarez, Alvaro F. Vaquero, Manuel Arrebola, Marcos Rodriguez Pino   +3 more
doaj   +1 more source

Design of Wideband Reflectarray and Transmitarray Antennas With Low Sidelobe and Cross-Polarization Levels Using a Multifunctional Ultrathin Metasurface

IEEE Open Journal of Antennas and Propagation
Ensuring a low cross-polarization level (CPL) is imperative in the design of antennas with a low sidelobe level (SLL). This paper introduces an innovative approach for designing wideband, high-gain, low-sidelobe, and low-cross-polarization reflectarray ...
Yufang Wang, Yuehe Ge, Zhizhang Chen, Ziheng Zhou   +3 more
doaj   +1 more source

Design and optimization of reflectarray antennas [PDF]

, 2014
Le antenne Reflectarray costituiscono oggi una tecnologia piuttosto popolare, usata in svariati contesti e applicazioni grazie alle loro caratteristiche avanzate come il basso costo, la distribuzione conforme e la riconfigurabilità. Nonostante tutto, le
BUI, VAN HA
core  

Comparison of fabric and embroidered dipole antennas

, 2013
Flexible antennas are an important component for wearable wireless devices of the future. A comparison between fabric and embroidered dipole antennas is performed to evaluate the suitability of different conductors as building blocks of textile antennas.
Fumeaux, I., Kaufmann, T., Fumeaux, C.
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Efficient analysis of multilayered periodic structures with application to the design of reflectarray antennas

, 2011
In order to design reflectarray antennas within reasonable CPU times, fast and accurate numerical tools for the analysis of periodic multilayered structures are required.
Rodríguez Boix, Rafael, Encinar Garcinuño, José Antonio, Florencio Díaz, Rafael   +2 more
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Experimental Investigation of Reflectarray Antennas for High-Power Microwave Applications. [PDF]

Micromachines (Basel)
Zhao J, Dong Y, Li H, Li T, Liu W, Zhou Y, Wang H, Hu B, Li F, Wang K, Qiu B.   +10 more
europepmc   +1 more source

Patents on reconfigurable reflectarray antennas

Reflectarray antennas have attracted significant attention due to a number of attractive properties, such as low cost, and conformal deployment capability.
Collado, Ana, Perruisseau-Carrier, Julien, Georgiadis, Apostolos   +2 more
core