Results 1 to 10 of about 14,945 (257)

Metallic post-array loaded cylindrical dielectric resonator antenna

open access: yesThe Journal of Engineering, 2016
An investigation of a novel cylindrical dielectric resonator antenna (DRA) configuration has been carried out. It is shown that two resonances including the full- and half-cylindrical HE(11δ)-like modes can coexist simultaneously at different frequencies
Byeong-Yong Park   +2 more
doaj   +4 more sources

Broadbeam Cylindrical Dielectric Resonator Antenna [PDF]

open access: yesIEEE Access, 2019
A novel widebeam aperture-coupled cylindrical dielectric resonator antenna is proposed, which consists of multi-layered cylindrical ceramic disks joined together to achieve the required height.
Syeda H. H. Mashhadi   +2 more
doaj   +2 more sources

Cylindrical Dielectric Resonator Antenna-Based Sensors for Liquid Chemical Detection [PDF]

open access: yesSensors, 2019
A compact, cylindrical dielectric resonator antenna (CDRA), using radio frequency signals to identify different liquids is proposed in this paper. The proposed CDRA sensor is excited by a rectangular slot through a 3-mm-wide microstrip line.
Amjad Iqbal   +5 more
doaj   +2 more sources

A novel Multi-permittivity Cylindrical Dielectric Resonator Antenna for Wideband Applications [PDF]

open access: yesRadioengineering, 2014
In this paper, a novel multi-permittivity cylindrical dielectric resonator antenna for wideband application is presented. The multi-permittivity cylinder is formed by combining two different permittivity material sectors in such a way that each sector ...
U. Ullah   +6 more
doaj   +2 more sources

Additively Manufactured Mechanically Tunable Cavity Resonator for Broadband Characterization of Liquid Permittivity [PDF]

open access: yesSensors
This paper presents the design, fabrication, and experimental validation of a metal 3D-printed mechanically tunable cavity resonator operating in the hybrid TM–coaxial resonant mode for the broadband characterization of liquid permittivity.
Thipamas Phakaew   +8 more
doaj   +2 more sources

Wideband Millimeter-Wave Perforated Cylindrical Dielectric Resonator Antenna Configuration

open access: yesMagnetism
This article delves into the capabilities of 3D-printed millimeter-wave (mmWave) layered cylindrical dielectric resonator antennas (CDRAs). The proposed design yielded promising results, boasting a remarkable 53% impedance bandwidth spanning the ...
Waled Albakosh   +4 more
doaj   +3 more sources

Bandwidth Improvement of a Cone-Inverted Cylindrical and Cross Hybrids Dielectric Resonator Antennas

open access: yesIraqi 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
doaj   +1 more source

Circular polarized 3D-printed cylindrical DRA using parasitic dielectric helix

open access: yesScientific 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

A tri-hybrid of Al2O3-SiO2-MgZrO3 stair shaped half-cylindrical dielectric resonator antenna (SHCDRA) for wideband wireless communication systems

open access: yesEngineering Science and Technology, an International Journal, 2022
A novel wideband hybrid dielectric resonator antenna (DRA) made up of three heterogeneous layers of dielectric materials stacked on a rectangular slot patch is proposed in this paper.
Mohamad Faiz Mohamed Omar   +3 more
doaj   +1 more source

Micromechanically Tunable Dielectric Rod Resonator [PDF]

open access: yesInternational Journal of Electronics and Telecommunications, 2021
A resonant frequency control method for dielectric rod resonators is discussed. A dielectric rod of cylindrical shape is placed inside a metal cavity. The bottom face of the dielectric rod is fixed at the metal base plate.
Kostiantyn Savin   +4 more
doaj   +1 more source

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