Results 21 to 30 of about 533,528 (216)

Characterization of Tiled Architecture for C-Band 1-Bit Beam-Steering Transmitarray [PDF]

open access: yesSensors, 2021
A new implementation of a beam-steering transmitarray is proposed based on the tiled array architecture. Each pixel of the transmitarray is manufactured as a standalone unit which can be hard-wired for specific transmission characteristics.
Dmitry Kozlov   +5 more
doaj   +2 more sources

Wideband Transmitarray Antenna Based on Two-Layer Aperture-Coupled Metasurface Unit Cell [PDF]

open access: yesJournal of Electromagnetic Engineering and Science
In this paper, a transmitarray antenna is designed and fabricated based on a two-layer aperture-coupled patch unit cell. The unit cell is composed of two layers of dielectric substrate with a simple narrow rectangular aperture between the layers. Through
Masoumeh Darwish, Hamid Reza Hassani
doaj   +2 more sources

Low-Cost High-Gain Transmitarray with Beam-Scanning Enhancement Based on Hybrid Phase Distribution Method [PDF]

open access: yesSensors
In this paper, a multi-feed transmitarray with high-gain, wide-angle beam-scanning, and low-cost features is presented. A novel hybrid phase distribution (HPD) method is proposed to improve the beam-scanning range by combining the single-focal and ...
Ming Wu, Hang Ren, Jinyang Bi, Fan Qin
doaj   +2 more sources

Design and implementation of a novel wideband dual‐polarised transmitarray antenna based on tightly coupled cross dipole cells

open access: yesIET Microwaves, Antennas & Propagation
A novel broadband dual‐polarised transmitarray antenna (TA) utilising tightly coupled cross dipole cells is proposed in this work. The transmitarray cell using the tightly coupling wideband principle comprises two radiation patches designed as two ...
Yong Heng Zhao   +3 more
doaj   +2 more sources

A Dual-Port Dual-Band Dual-Circularly Polarized OAM-Generating Folded Transmitarray Antenna Based on Polarization Conversion of Vortex Waves [PDF]

open access: yesJournal of Electromagnetic Engineering and Science
In this study, an orbital-angular-momentum (OAM)-generating folded transmitarray antenna is proposed. The antenna is fed by dual probe ports that are excited to generate right-handed and left-handed circularly polarized (CP) vortex waves in the lower and
Li Guo, Longxin Jiao
doaj   +2 more sources

Design of a Folded Transmitarray Antenna With Field-Controlled Gain for HIRF Protection

open access: yesIEEE Open Journal of Antennas and Propagation
This paper proposed a folded transmitarray antenna for high-intensity radiation fields (HIRF) protection, which can adaptively change gain based on the intensity of the incident electromagnetic field.
Zhuang Qu   +5 more
doaj   +2 more sources

Combined Single-Layer K-Band Transmitarray and Beamforming S-Band Antenna Array for Satcom

open access: yesIEEE Open Journal of Antennas and Propagation, 2022
In this paper, a dual-band antenna at 4.5 GHz and 25 GHz is presented. The antenna is a low-frequency phased patch antenna array combined with a high-frequency transmitarray with a fixed beam.
Daniel Edelgaard Serup   +2 more
doaj   +1 more source

Design and Verification of a Miniaturized Multifunctional Transmitarray Unit Cell for the S-Band [PDF]

open access: yesJournal of Electromagnetic Engineering and Science, 2023
In this paper, a miniaturized multifunctional unit cell structure of a transmitarray operating at S-band and its verification method using a waveguide structure is presented.
Gyoungdeuk Kim   +3 more
doaj   +1 more source

All Metal Focusing Transmitarray Antenna for High-Temperature Plasma Diagnosis

open access: yesIEEE Access, 2021
In this paper, an all metal focusing transmitarray antenna using a II-shaped slot element is proposed. The transmitarray is formed by stacking four identical metal phase shift layers and three identical square waveguide layers on each other.
Chao Sun, Zheng Zhang, Wenchong Ouyang
doaj   +1 more source

Two-Dimensional Switchable Beam Transmitarray Antenna for mm-Wave Base Stations and Vehicular Networks

open access: yesIEEE Access, 2023
This article presents the design of a low-profile, two-dimensional and beam-switching transmitarray antenna for millimetre-wave (26.3-29.3 GHz) applications.
Javid Ahmad Ganie, Kushmanda Saurav
doaj   +1 more source

Home - About - Disclaimer - Privacy