Isolation Improvement in Reflectarray Antenna-Based FMCW Radar Systems [PDF]
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 ...
Hesham Yamani, Jihwan Yoon
doaj +2 more sources
Analysis and Design of an X-Band Reflectarray Antenna for Remote Sensing Satellite System [PDF]
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.
Shimaa A. M. Soliman +2 more
doaj +2 more sources
Design and Analysis of Wideband Single-Layer Reflectarray Antenna for Remote Sensing and Environmental Monitoring [PDF]
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 ...
Annal Joy J +4 more
doaj +2 more sources
Neural Network Characterization of Reflectarray Antennas [PDF]
An efficient artificial neural network (ANN) approach for the modeling of reflectarray elementary components is introduced to improve the numerical efficiency of the different phases of the antenna design and optimization procedure, without loss in ...
Freni, A. +2 more
core +6 more sources
A novel broadband reflectarray antenna employing equivalent magnetic dipole elements [PDF]
In this paper, a planar reflectarray antenna employing equivalent magnetic dipole (EMD) elements is proposed. An H-shaped patch and two coupling T-shaped patches are employed as the EMD element, in which the electric current intrinsically flows on the ...
Sen Li +6 more
doaj +2 more sources
Broadband single-layer reflectarray antenna loaded with meander-delay-lines for X-band applications
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
doaj +1 more source
Design Procedure for a Novel LMDS Base Station Reflectarray Antenna [PDF]
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
Unfermented Freeze-Dried Leaf Extract of Tongkat Ali (Eurycoma longifolia Jack.) Induced Cytotoxicity and Apoptosis in MDA-MB-231 and MCF-7 Breast Cancer Cell Lines [PDF]
possible anticancer mechanism of action against breast cancer cell lines: non-hormone-dependent MDA-MB-231 and hormonedependent MCF-7. -e leaves of E.
Abdul Aziz, Zaleha +3 more
core +1 more source
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
doaj +1 more source
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

