Results 1 to 10 of about 92,941 (196)

Evaluation of 8-Channel Radiative Antenna Arrays for Human Head Imaging at 10.5 Tesla [PDF]

open access: yesSensors, 2021
For human head magnetic resonance imaging at 10.5 tesla (T), we built an 8-channel transceiver dipole antenna array and evaluated the influence of coaxial feed cables.
Myung Kyun Woo   +9 more
doaj   +2 more sources

Decoupling of Dual-Polarized Antenna Arrays Using Non-Resonant Metasurface [PDF]

open access: yesSensors, 2022
A non-resonant metasurface (NRMS) concept is reported in this paper to improve the isolation of dual-polarized and wideband large-scale antenna arrays. By properly designing the NRMS, it can perform stable negative permeability and positive permittivity ...
Shengyuan Luo   +4 more
doaj   +2 more sources

Flexible Phased Antenna Arrays: A Review [PDF]

open access: yesSensors
Flexibility in phased antenna arrays open the world of new applications. Such arrays can conform to different shapes while ensuring performance in harsh conditions.
Waleef Ullah Usmani   +2 more
doaj   +2 more sources

Magneto-Electric Dipole Antenna Arrays [PDF]

open access: yesIEEE Transactions on Antennas and Propagation, 2014
A planar magneto-electric (ME) dipole antenna array is proposed and demonstrated by both full-wave analysis and experiments. The proposed structure leverages the infinite wavelength propagation characteristic of composite right/left-handed (CRLH ...
Caloz, Christophe   +2 more
core   +8 more sources

Synthesis of Antenna Arrays and Parasitic Antenna Arrays with Mutual Couplings [PDF]

open access: yesInternational Journal of Antennas and Propagation, 2012
A synthesis method to design multielement antennas with couplings is presented. The main objective is to perform a rigorous determination of the electromagnetic characteristics involved in the design, especially with arrays of moderate sizes.
M. Thevenot   +8 more
doaj   +3 more sources

Effect of polarized signals on the performance of adaptive antenna arrays [PDF]

open access: yesArchives of Electrical Engineering, 2020
The polarized electromagnetic waves have significant impact on the performance of adaptive antenna arrays. In this paper we investigate the effect of polarized desired and undesired signals on the performance of electronically steered beam adaptive ...
Amin H. Al Ka'bi
doaj   +1 more source

Sub‐array level structural compensation method for radiating and scattering performance of array antennas

open access: yesIET Microwaves, Antennas & Propagation, 2023
The detection and stealth abilities of array antennas depend mainly on the antennas' radiating and scattering performance, respectively. However, the operating environmental loads and assembly lead to serious structural errors, including deformation and ...
Yan Wang   +10 more
doaj   +1 more source

Study of the accuracy characteristics of a GNSS receiver with an antenna array

open access: yesКосмические аппараты и технологии, 2023
The article presents the results of experimental studies of the accuracy of measuring navigation parameters by a receiver of global navigation satellite systems (GNSS receiver) equipped with an antenna array.
V. N. Tyapkin   +2 more
doaj   +1 more source

Broadband Antennas and Antenna Arrays [PDF]

open access: yesInternational Journal of Antennas and Propagation, 2014
Abstract is not available in fulltext.
Dou, Wenbin   +3 more
openaire   +2 more sources

Design of a dual‐CP gap waveguide fed aperture array antenna

open access: yesIET Microwaves, Antennas & Propagation, 2023
A slot array antenna with dual‐circular polarisation (CP) is presented in this paper. To overcome the fabrication and loss challenges in mm‐wave frequencies, the gap waveguide technique is utilised. The right and left hand circular polarisation (RHCP and
Davoud Zarifi   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy