Results 11 to 20 of about 19,885 (293)
Polarisation reconfigurable anisotropic dielectric resonator antenna. [PDF]
Sci RepAbstract A novel polarization reconfigurable anisotropic dielectric resonator antenna (ADRA) is presented utilizing a new modulation scheme to exploit the degree of freedom in the polarization domain. The ADRA comprises periodic assembly dielectric resonators with two different dielectrics constant, equal in size, a vertically positioned ...
Danesh S +5 more
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A new planar feeding method of dielectric rod antenna using dielectric resonator
Scientific Reports, 2023 This article proposes a new method for exciting surface waves in dielectric rod antennas using dielectric resonator antennas. The method involves housing a rectangular dielectric resonator antenna with a dielectric constant of 10.2 inside a hollow ...
Saeed Fakhte
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Bandwidth Improvement of a Cone-Inverted Cylindrical and Cross Hybrids Dielectric Resonator Antennas
Iraqi Journal of Physics, 2023 In this work, two cone-inverted cylindrical and cross-hybrid dielectric resonator antennas are stacked and excited by the coaxial probe method with an operating standard resonant frequency of 5.438 GHz.
Nabeel Areebi, Jamal Nasir Jabir
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International Journal of Antennas and Propagation, 2022 In this paper, a single-fed wideband circularly polarized dielectric resonator antenna (DRA) is proposed. The antenna consists of a substrate, a cylindrical dielectric resonator, and four curved parasitic metal blocks that are rotated and placed around ...
Zizu Chen +5 more
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Dual Notched-Band Crescent Moon Dielectric Resonator Antenna
Electronics, 2021 In this article, a dual-band notched ultra-wideband (UWB) dielectric resonator antenna is proposed. The antenna structure consists of Crescent Moon Dielectric Resonator (CMDR) fed by a stepped microstrip monopole printed antenna, partial ground plane ...
Mohamed Debab +2 more
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Circular polarized 3D-printed cylindrical DRA using parasitic dielectric helix
Scientific Reports, 2023 This article presents a 3D-printed cylindrical dielectric resonator antenna operating at 5.8 GHz that achieves circular polarization by integrating a fully dielectric parasitic helix with a higher permittivity than the cylindrical resonator.
Sebastian Diaz +3 more
doaj +1 more source
YIG Matrix Based Multiband Magneto-Dielectric Cylindrical Resonator Antenna
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2021 A multiband magneto-dielectric resonator antenna with cylindrical geometry is proposed in this paper. The resonator is composed of yttrium iron garnet (YIG) with chemical composition Y3Fe2(FeO4)3. The final structure is built on a low-cost FR4 dielectric
Andrécia Pereira da Costa +3 more
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Wideband and UWB antennas for wireless applications. A comprehensive review [PDF]
, 2017 A comprehensive review concerning the geometry, the manufacturing technologies, the materials, and the numerical techniques, adopted for the analysis and design of wideband and ultrawideband (UWB) antennas for wireless applications, is presented. Planar,
Cicchetti, Renato +2 more
core +3 more sources
International Journal of Antennas and Propagation, 2012 The-hybrid dielectric resonator antenna consisted of a cylindrical high-permittivity dielectric resonator, a rectangular slot, and two-rectangular patches were implemented. The hybrid dielectric resonator antenna had three resonant frequencies. The lower,
Yih-Chien Chen
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A 1 × 2 Low-Profile Filtering Antenna Array Using Strip Dense Dielectric Patch
Micromachines, 2023 A 1 × 2 low-profile filtering antenna array is proposed, using an H-shape resonator to feed two strip dense dielectric patch (DDP) resonators. The even–odd mode of the H-shape resonator and the TMδ1 mode of the strip DDP resonator form the radiation band.
Yuyan Deng +3 more
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