Results 11 to 20 of about 140,738 (213)
Radiation Analysis and Characteristics of Conformal Reflectarray Antennas [PDF]
International Journal of Antennas and Propagation, 2012 This paper investigates the feasibility of designing reflectarray antennas on conformal surfaces. A generalized analysis approach is presented that can be applied to compute the radiation performance of conformal reflectarray antennas.
Payam Nayeri +2 more
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Recent Developments of Reflectarray Antennas in Dual-Reflector Configurations [PDF]
International Journal of Antennas and Propagation, 2012 Recent work on dual-reflector antennas involving reflectarrays is reviewed in this paper. Both dual-reflector antenna with a reflectarray subreflector and dual-reflectarrays antennas with flat or parabolic main reflectarray are considered.
Carolina Tienda +2 more
doaj +2 more sources
Increasing bandwidth of full-metal slot reflectarray antennas [PDF]
ITM Web of Conferences, 2019 Results of theoretical and experimental investigations of full-metal slot reflectarray antennas with increased bandwidth are presented. Bandwidth increasing is achieved by means of certain sizes choice for each reflective element so that the phase-error ...
Sugak Mikhail +4 more
doaj +2 more sources
Implementation of an Innovative Method to Design Reflectarray Antennas [PDF]
International Journal of Antennas and Propagation, 2012 A novel computed aided technique for designing reflectarray antennas is presented. The developed approach automatically generates the geometrical model of reflectarray antennas taking into account some input parameters, such as, the unit cell type and ...
Abdelhamid Tayebi +3 more
doaj +2 more sources
Reflectarray antennas for space applications [PDF]
2012 IEEE International Conference on Ultra-Wideband, 2012 In this paper, the advantages and recent developments of reflectarray antennas for space applications are reviewed. Basic requirements for space antennas, and the limitations and challenges of conventional designs are discussed. Various advantages of reflectarray antennas over reflectors and phased array antennas are reviewed and it is shown that ...
Atef Z. Elsherbeni +2 more
openaire +2 more sources
Design of Microfluidic Reflectarray Elements for Multi-Reconfiguration Using Liquid Metal
IEEE Open Journal of Antennas and Propagation, 2022 Using an alloy of non-toxic liquid metal (Galinstan) is proposed to implement multi-reconfiguration in reflectarray elements. Reflectarray antennas are an interesting technology for dynamically controlling, simultaneously or individually, different ...
Eduardo Carrasco +4 more
doaj +1 more source
Wideband Design and Optimization of Reflectarray Antennas [PDF]
, 2022 International Conference on Antennas and Electromagnetic Systems (8th. 2022. Marrakesh, Morocco)This paper describes a technique for the design and optimization of wideband reflectarrays based on the generalized intersection approach and a direct layout ...
Rodriguez Prado, Daniel +4 more
core +1 more source
Millimeter-Wave Metal Reflectarray Antennas with Sub-Wavelength Holes
, 2021 Reflectarray antennas composed of rectangular grooves with sub-wavelength holes on a metal plate are designed for millimeter-wave regions. All depths of multiple grooves in the metal reflectarray are elaborately manipulated for a high-gain reflector.
Sungjun Yoo, Minwoo Yi, Youngseok Bae
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Comparative study of different approaches to analyze unit cells of reflectarray antennas [PDF]
, 2021 European Conference on Antennas and Propagation, EuCAP (15th. Virtual)We present a comparative study of reflectarray antenna analysis using two different techniques. Two different reflectarrays are simulated, with an isoflux pattern and with a squared-
Gómez Álvarez, Andrés +4 more
core
A Reflectarray Antenna Using Hexagonal Lattice With Enhanced Beam Steering Capability
IEEE Access, 2019 This paper presents a novel reflectarray antenna with enhanced beam steering capability. The reflectarray antenna is based on the hexagonal distribution of the unit cells on the antenna surface.
Orcun Kiris, Kagan Topalli, Mehmet Unlu
doaj +1 more source