Results 1 to 10 of about 302,217 (218)
Isolation Improvement in Reflectarray Antenna-Based FMCW Radar Systems. [PDF]
Sensors (Basel), 2022 This paper presents an optimization of reflectarray-based RF sensors for detecting UAV and human presence. Our previous human detection radar system adapted a center-fed reflectarray antenna to a commercially available radar system, successfully ...
Yamani H, Yoon J.
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Analysis and Design of an X-Band Reflectarray Antenna for Remote Sensing Satellite System. [PDF]
Sensors (Basel), 2022 This paper presents the analysis and design of an X-band reflectarray. The proposed antenna can be used for a medium Earth orbit (MEO) remote sensing satellite system in the 8.5 GHz band.
Soliman SAM, Eldesouki EM, Attiya AM.
europepmc +2 more sources
Design and Analysis of Wideband Single-Layer Reflectarray Antenna for Remote Sensing and Environmental Monitoring. [PDF]
Sensors (Basel)In this article, a wideband single-layer reflectarray antenna for Ku-band applications is presented. The proposed reflectarray antenna is suitable for applications such as fixed satellite service (FSS), broadcasting satellite service (BSS), earth ...
J AJ +4 more
europepmc +2 more sources
IEEE Access, 2020 In this paper, a tightly coupled dipole reflectarray antenna as well as a variant-coupling-capacitance method to improve the antenna aperture efficiency is presented.
Qi Luo, Yonggang Zhou, Steven Gao
exaly +3 more sources
A 1-Bit Electronically Reconfigurable Reflectarray Antenna in X Band
IEEE Access, 2019 In this paper, a fully electronically reconfigurable reflectarray antenna that has 14×14 reflecting elements and features a higher aperture efficiency was designed, fabricated, and tested.
Jixiong Pu, Yuehe Ge, Xuxiang Chen
exaly +3 more sources
Design Procedure for a Novel LMDS Base Station Reflectarray Antenna [PDF]
AUT Journal of Electrical Engineering, 2023 A Reflectarray Antenna is designed to operate at X-band as a Local Multipoint Distribution Service (LMDS) base station antenna. It is a center-fed single layer reflectarray consisting of 23×27 elements.
Reza Masoumi, Robab Kazemi
doaj +1 more source
Broadband single-layer reflectarray antenna loaded with meander-delay-lines for X-band applications
Alexandria Engineering Journal, 2021 In this work, delay-lines loaded broadband reflectarray antenna is proposed for X-band applications. The array cells contain slotted square patch and quad meander delay-lines.
Tayyab Shabbir +4 more
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IEEE Access, 2021 Membrane reflectarray antennas with flexible support structures realize low weight and low stowage volume. However, deformation of the reflectarray membrane generally degrades antenna gain. We propose electrical misalignment compensation for 5.8-GHz-band
Keisuke Omoto +2 more
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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
IEEE Access, 2021 Aiming at the time-consuming problem of the full-wave (FW) simulation of the scattering characteristics of the traditional graphene reconfigurable reflectarray antenna, a fast prediction method of electromagnetic (EM) response based on deep learning is ...
Li Ping Shi +4 more
doaj +1 more source