Results 11 to 20 of about 1,257 (220)

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 Wideband Multibeam Transmitarray Antenna Based on 3‐D FSS

open access: yesIET Microwaves, Antennas & Propagation
This paper presents a novel method for designing a wideband dual‐polarised multibeam transmitarray antenna. First, a dual‐polarised element is implemented through a polarisation‐separating, orthogonal‐interleaved three‐dimensional frequency‐selective ...
Longfei Wang   +4 more
doaj   +2 more sources

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

Dual-Band Focused Transmitarray Antenna for Microwave Measurements

open access: yesIEEE Access, 2020
A dual-band focused transmitarray antenna designed by using frequency selective surfaces (FSS) technique is proposed in this paper. Compared with the traditional transmitarray antenna, the proposed antenna has advantages of good ability to focus ...
Zheng Zhang   +4 more
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

Circularly Polarized Transmitarray Antenna Design Using Meander Line Polarizer for Ku-Band Applications

open access: yesIEEE Access, 2021
In this paper, a circularly polarized Transmitarray antenna design for the Ku-band frequency range is presented. The transmitarray antenna with 121 elements is designed using a four-layer double square ring with a center patch unit cell.
Muhammad Naeem Iqbal   +5 more
doaj   +1 more source

1-Bit Polarization Rotating and Beam-Switching Transmitarray for Millimeter Wave MIMO Applications

open access: yesIEEE Access, 2022
This paper presents a low profile, 1-bit phase quantized, polarization rotating (PR), and switchable beam transmitarray for millimeter-wave (29.7–30.7GHz) MIMO applications. The transmitarray is based on polarization rotating elements, designed on
Javid Ahmad Ganie, Kushmanda Saurav
doaj   +1 more source

Students' self-directed learning readiness towards using the “SolveMe” Web in Technical and Vocational Education [PDF]

open access: yes, 2020
Self-directed Learning Readiness (SDLR) is an essential skill in continuous Tearning and Leaching (T&L) that needs to be applied to any student. The study aimed to look at the Self-directed Learning Readiness Level (SDLRL) among the final semester ...
Ahmad, F.   +5 more
core   +1 more source

Ku Band transmitarray lens for microwave applications [PDF]

open access: yes, 2011
In this document a microstrip constrained lens device for Ku band, for microwave purpose, is presented. This paper offers an overview of artificial lens-type devices and the proposed transmitarray lens is thoroughly studied in terms of design and ...
A. Muñoz-Acevedo   +7 more
core   +2 more sources

A Fast Approach to Near-Field Synthesis of Transmitarrays [PDF]

open access: yes, 2021
We present an efficient approach to near-field synthesis of transmitarray antennas in which a planar aperture model is adopted both for the transmitarray and the field generated by it on a near plane.
González Plaza, Enrique   +2 more
core   +1 more source

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