Results 21 to 30 of about 10,722 (267)
Real-time power system dynamic security assessment based on advanced feature selection for decision tree classifiers [PDF]
, 2017 This paper proposed a novel algorithm based on advanced feature selection technique for decision tree (DT) classifier to assess the dynamic security in power system.
Al-Gubri, Qusay, Mohd Ariff, Mohd Aifaa
core +1 more source
Transmitarray and Reflectarray Antennas Based on a Magnetoelectric Dipole Antenna
Electromagnetic Science, 2023 — This paper presents a review of transmitarray (TA) and reflectarray (RA) antennas based on the magnetoelectric (ME) dipole antenna structure. First, the basic operating principles of ME dipole, TA and RA antennas are introduced.
K. Luk, B. Xiang
semanticscholar +1 more source
Radiation Analysis and Characteristics of Conformal Reflectarray Antennas
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
doaj +1 more source
Neural Network Characterization of Reflectarray Antennas [PDF]
, 2012 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 +4 more sources
Wideband 3-D-Printed Metal-Only Reflectarray for Controlling Orthogonal Linear Polarizations
IEEE Transactions on Antennas and Propagation, 2023 This article presents a metal-only reflectarray that enables the control of incident orthogonal polarizations in a large bandwidth. The proposed reflectarray is based on a unit cell whose tuning elements allow the independent control of the reflection ...
Á. Palomares‐Caballero +4 more
semanticscholar +1 more source
A Review of Wideband Reflectarray Antennas for 5G Communication Systems
IEEE Access, 2017 The advancement in the current communication technology makes it incumbent to analyze the conventional features of reflectarray antenna for future adaptability.
Muhammad Hashim Dahri +3 more
doaj +1 more source
Enhanced Efficiency and Reduced Side Lobe Level Convex Conformal Reflectarray
Applied Sciences, 2021 In 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.
Michele Beccaria +7 more
doaj +1 more source
Advanced Electromagnetics, 2019 In this paper, the analysis, design, and measurement of a split ring resonator reflectarray is presented. The 6 different designs of reflectarray are simulated to analyze the effect of splits position on resonance frequency.
N. Naseer, B. Saka
doaj +1 more source
New Phase Realization Approach for Implementation of Braodband Reflectarrays
International Journal of Information and Communication Technology Research, 2021 We present a new phase realization approach applied to design the broadband single-layer reflectarray antennas. Such an optimization technique minimizes the adverse effects of frequency dispersion which limit the bandwidth of reflectarray antenna ...
Mahmood Rafaei-Booket +1 more
doaj
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