Results 21 to 30 of about 3,338 (308)

Chiral Dielectric Metasurfaces for Highly Integrated, Broadband Circularly Polarized Antenna

open access: yesSensors, 2021
We report on the design of a low-profile integrated millimeter-wave antenna for efficient and broadband circularly polarized electromagnetic radiation.
Bruno Ferreira-Gomes   +2 more
doaj   +1 more source

Towards Accurate Dielectric Property Retrieval of Biological Tissues for Blood Glucose Monitoring [PDF]

open access: yes, 2014
(c) 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works for resale or ...
Yilmaz, T, Hao, Y, Foster, R
core   +1 more source

Thermally tunable slot-coupled dielectric resonator antenna

open access: yesAIP Advances, 2017
A thermally tunable slot-coupled dielectric resonator antenna (DRA) has been designed and prepared by placing a thermosensitive ceramic resonator onto the slot.
Ke Bi   +7 more
doaj   +1 more source

Progress in Differentially Fed Dielectric Resonator Antennas

open access: yesNantong Daxue xuebao. Ziran kexue ban, 2020
A differentially fed dielectric resonator antenna(DRA), which shows the advantages of both a DRA and a differentially fed antenna, has attracted extensive attention recently. In this paper, the characteristics of the operation modes and feeding mechanism
TANG Hui;CHEN Jianxin
doaj   +1 more source

Transparent Antenna Technology and Its Application in Space [PDF]

open access: yesفناوری در مهندسی هوافضا, 2020
This paper is focused on the application of transparent antennas to address the issues related to the unpleasant appearance and non-aerodynamic behavior of traditional antennas. Transparent antennas are divided in two main categories.
Negin Kourosdari   +2 more
doaj  

Dielectric Resonator Antennas: Applications and developments in multiple-input, multiple-output technology [PDF]

open access: yes, 2022
This article presents a comprehensive review of multiple-input, multiple-output (MIMO) dielectric resonator antennas (DRAs) that have evolved in the past decade.
Singhwal S. S.   +5 more
core   +1 more source

Size-Reduction of a Dual-Band Circularly Polarized Dielectric Resonator Antennas

open access: yesIEEE Access, 2021
In this paper, the size reduction of a dual-band circularly polarized (CP) Y-shaped dielectric resonator antenna (YDRA) is performed. Unlike the conventional CP DRAs, the circular polarization in the YDRA is achieved by the combination of linearly ...
Amir Altaf, Munkyo Seo
doaj   +1 more source

Technologies for Near-Field Focused Microwave Antennas

open access: yesInternational Journal of Antennas and Propagation, 2017
This paper provides a review spanning different technologies used to implement near-field focused antennas at the microwave frequency band up to a few tens of GHz: arrays of microstrip patches and printed dipoles, arrays of dielectric resonator antennas,
Paolo Nepa   +3 more
doaj   +1 more source

Dielectric resonator antenna for applications in nanophotonics

open access: yesOptics Express, 2013
Optical nanoantennas, especially of the dipole type, have been theoretically and experimentally demonstrated by many research groups. Likewise, the plasmonic waveguides and optical circuits have experienced significant advances. In radio frequencies and microwaves a category of antenna known as dielectric resonator antenna (DRA), whose radiant element ...
Gilliard N, Malheiros-Silveira   +2 more
openaire   +2 more sources

Broadband Tissue Mimicking Phantoms and a Patch Resonator for Evaluating Noninvasive Monitoring of Blood Glucose Levels [PDF]

open access: yes, 2014
(c) 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or ...
Yilmaz, T, Hao, Y, Foster, R
core   +1 more source

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