Results 11 to 20 of about 5,646 (202)
In this study, unwanted additional resonances are analyzed and a method is developed to eliminate them for wideband offset dual reflectarray antenna at sub-millimeter waves.
Eun-Cheol Choi, Sangwook Nam
doaj +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
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.
Jiayou Wang +3 more
doaj +1 more source
Efficient Spectral Domain MoM for the Design of Circularly Polarized Reflectarray Antennas Made of Split Rings [PDF]
The method of moments (MoM) in the spectral domain is used for the analysis of the scattering of a plane wave by a multilayered periodic structure containing conducting concentric split rings in the unit cell.
Encinar, José A. +2 more
core +1 more source
Radiation Analysis and Characteristics of Conformal Reflectarray Antennas
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
A Reflectarray Antenna Using Hexagonal Lattice With Enhanced Beam Steering Capability
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
Enhanced Efficiency and Reduced Side Lobe Level Convex Conformal Reflectarray
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
Real-time power system dynamic security assessment based on advanced feature selection for decision tree classifiers [PDF]
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
New Phase Realization Approach for Implementation of Braodband Reflectarrays
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 Review of Wideband Reflectarray Antennas for 5G Communication Systems
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

