Folded reflectarray antenna
WebAug 8, 2024 · This antenna is composed of two substrates, with metasurface printed on the upper substrate and reflector layer printed on the lower one. The metasurface works as … WebMay 3, 2013 · The reflectarray antenna consists of three panels which have an array of printed circuit board patches on them. The size of the patches are adjusted so that the …
Folded reflectarray antenna
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WebMar 28, 2024 · The distance between two reflectors is half of focal length, which enables our antenna to be dubbed as a folded reflectarray. The low radar cross section (RCS) is achieved based on scattering cancellation technique by realizing near 180° reflection phase difference between two neighboring chessboard submeta-atoms. Thanks to the … WebGeorgakopoulos, S. V., Liu, X., Origami-Folded Antennas and Methods for Making the Same, USPTO Utility Patent US 10,181,650 (date of patent 01/15/19). 11. …
WebSep 24, 2024 · A millimeter-wave multibeam folded reflectarray antenna (FRA) with wide coverage in the azimuth plane and integrated planar primary sources for massive multiple-input multiple-output wireless communications is proposed. The substrate-integrated waveguide series-fed aperture-coupled rectangular patch antenna arrays are used as … WebA low-profile circularly polarized folded reflectarray antenna (CPFRA) with linearly polarized (LP) feed antenna is presented in this article. Polarizing grid usually used as the subreflector of traditional FRA is replaced by a polarization-sensitive frequency selective surface (FSS) in the CPFRA design.
WebJan 1, 2024 · Recently, reflectarray antennas have been used as an alternative to the bulky conventional parabolic reflector antennas in many high gain applications. … WebIn this work, the design of a convex conformal reflectarray (CRA), suitable to be used for high gain on board antenna in mobile communication systems, is presented. The reflector is not planar, as in usual reflectarray configurations, but the re-radiating elements are printed on a surface conformed to a cylinder to mimic a curved surface, such as the fuselage of …
WebFeb 9, 2024 · 1216 IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, VOL. 12, 2013 Dual-Frequency Folded Re fl ectarray Antenna Jinjing Ren and Wolfgang Menzel, Fellow, IEEE Abstract— Design and experimental results of a dual-frequency folded re fl ector antenna are presented. With an effective diameter of 180 mm and a …
WebMay 3, 2013 · The Integrated Solar Array and Reflectarray Antenna (ISARA) mission successfully demonstrated a reflectarray antenna that increases downlink data rates for CubeSats from the existing baseline rate of 9.6 kilobits per second (kbps) to more than 100 megabits per second (Mbps). The reflectarray antenna consists of three panels which … icbf actoresWebDec 21, 2024 · Wang Z L, Ge Y H, Pu J X, Chen X X, Li G W, Wang Y F, Liu K T, Zhang H, Chen Z Z. 1 bit electronically reconfigurable folded reflectarray antenna based on p-i-n diodes for wide-angle beam-scanning applications. IEEE Transactions on Antennas and Propagation, 2024, 68(9): 6806–6810. Article Google Scholar icbf aguachicaWebThis paper presents two designs of high-efficiency polarizer reflectarray antennas able to generate a collimated beam in dual-circular polarization using a linearly polarized feed, with application to high-gain antennas for data transmission links from a Cubesat. First, an 18 cm × 18 cm polarizer reflectarray operating in the 17.2–22.7 GHz band has been … moneydrs financial \u0026 insurance solutions incWebIn this paper, a method for design and optimization of folded reflect-array antennas is proposed based on particleswarm optimization (PSO). In addition to such a powerful optimization algorithm, two further … icbf aiWebThe reflectarray is an antenna consisting of either a flat or a slightly curved reflecting surface and an illuminating feed antenna as shown in The radiating elements such as openended waveguides, printed microstrip … icbf applicationWebMay 26, 2024 · The THz folded reflectarray antenna was fabricated using photolithography and deep reactive ion etching of high-resistivity silicon wafers. Both simulated and … icbf adoptionWebJun 1, 2024 · The folded reflectarray antenna is half as high as the conventional reflectarray antenna due to the use of a polarisation grid layer and a polarisation twist reflectarray element. In previous papers, folded reflectarrays have been studied for various aspects of performance, such as multi-beam, wideband, and dual-polarisation [ 1 , 2 ]. icbf-371500 sun