Results 61 to 70 of about 3,272 (195)
1-bit reconfigurable transmitarray with low loss and wide bandwidth
New Journal of Physics, 2021 We present a novel X-band 1-bit reconfigurable transmitarray with excellent polarization conversion. The basic element consists of two layers of metal patterns connected by a metal through-hole and feed structures.
Wen Hua Gao +6 more
doaj +1 more source
Reconfigurable Reflectarrays and Array Lenses for Dynamic Antenna Beam Control: A Review
, 2013 Advances in reflectarrays and array lenses with electronic beam-forming capabilities are enabling a host of new possibilities for these high-performance, low-cost antenna architectures.
Hum, Sean Victor +1 more
core +1 more source
Single‐Layer Reflectarray Providing Broadband Linear‐to‐Circular Polarization Conversion
Microwave and Optical Technology Letters, Volume 67, Issue 2, February 2025.ABSTRACT This paper introduces a single‐layer reflectarray (RA) design capable of converting incoming linearly polarized waves into outgoing circularly polarized ones while focusing the beam. The design employs nonresonant unit cells, extending the classical concept of meander‐line polarizers.
Samara Gharbieh +4 more
wiley +1 more source
The Design of Broadband Circularly Polarized Multi-beam Antenna with Linearly Polarized Feeding Source and Transmitarray Unit [PDF]
RadioengineeringAmong the existing circularly polarized multi-beam transmitarray antennas, circularly or linearly-to-circularly polarized transmitarray units are always required.
Z. Guo +5 more
doaj
An Extremely Low‐Profile Electronically Reconfigurable 1‐D X‐Band Leaky‐Wave Antenna
IET Microwaves, Antennas &Propagation, Volume 19, Issue 1, January/December 2025.A 1‐bit electronically tunable 1‐D leaky‐wave antenna is proposed in this work. The theoretical basis of the proposed structure is first evaluated using the array factor and the concept is experimentally confirmed using a 21‐element prototype. ABSTRACT In this work, a simple analytical model based on the array factor to effect 1‐bit electronic ...
Kevin Kipruto Mutai +2 more
wiley +1 more source
A Double-Layer Highly Efficient and Wideband Transmitarray Antenna
IEEE Access, 2019 A double-layer highly efficient and wideband transmitarray antenna is presented. The transmitarray element is composed of four metal vias and two crosspatches with two stubs. The metal vias penetrate the entire substrate and arrange symmetrically.
Xiang-Jie Yi +5 more
doaj +1 more source
IEEE 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
Frequency Selective Surface Loaded Antenna for Direct Antenna Modulation [PDF]
, 2017 A reconfigurable antenna loaded with Frequency Selective Surfaces (FSS) to achieve direct antenna phase modulation is presented and simulated. Placing FSS with integrated varactor diodes into a monopole-fed cavity allows control of the transmitted phase ...
Ford, K.L., Henthorn, S., O'Farrell, T.
core +1 more source
Design of transmitarray compact antenna test range at millimetre wave band
IET Microwaves, Antennas & Propagation, 2022 In this paper, a novel compact antenna test range based on transmitarray (TA), transmitarray compact antenna test range (TACATR), is proposed. A non‐negligible parameter, central cell reference phase (CRP), is defined to harmonize the disturbance field ...
Yongheng Zhao +3 more
doaj +1 more source
Balanced-To-Balanced Microstrip Diplexer Based on Magnetically Coupled Resonators [PDF]
, 2018 Two balanced-To-balanced planar diplexers based on magnetically coupled microstrip resonators are proposed in this paper. For the first prototype, each channel/differential-output is composed of a second order single-band balanced bandpass filter based ...
Fernández Prieto, Armando +5 more
core +1 more source