Results 41 to 50 of about 359,484 (133)

Wideband-Narrowband Switchable Tapered Slot Antenna for Breast Cancer Diagnosis and Treatment

open access: yesApplied Sciences, 2021
In this paper, a wideband-narrowband switchable tapered slot antenna (TSA) with a compact meander line resonator for an integrated microwave imaging and hyperthermia system was proposed.
Seonho Lim, Young Joong Yoon
doaj   +1 more source

Compact Sequential Feeding Network With Quadruple Output Ports and Its Application for Wideband Circularly Polarized Antenna

open access: yesIEEE Access, 2018
A compact single-layer series-type feeding network is proposed by utilizing two dual-band frequency-independent couplers in this paper. The overall size of the feeding network is further reduced by meandering the transmission lines.
Meijun Qu   +4 more
doaj   +1 more source

Wideband Circularly Polarized Cross-Dipole Antenna With Parasitic Elements

open access: yesIEEE Access, 2019
A wideband circularly polarized (CP) cross-dipole antenna with parasitic elements is proposed. The proposed antenna consists of a pair of driven crossed strip dipoles, two kinds of parasitic elements (inner and outer parasitic elements), and a pair of ...
Lei Wang   +5 more
doaj   +1 more source

Frequency-Tunable and Pattern Diversity Antennas for Cognitive Radio Applications

open access: yesInternational Journal of Antennas and Propagation, 2014
Frequency-tunable microstrip antennas, for cognitive radio applications, are proposed herein. The approach is based on tuning the operating frequency of a bandpass filter that is incorporated into a wideband antenna.
A. H. Ramadan   +4 more
doaj   +1 more source

Multifunctional twelve port frequency agile diversity antenna for indoor wireless applications

open access: yesScientific Reports, 2023
The recent resurgence of new-generation reconfigurable technologies delivers a plethora of various applications in all public, private and enterprise solutions over the globe.
Deepa Thangarasu   +5 more
doaj   +1 more source

Wideband and Multiband Antenna Design and Fabrication for Modern Wireless Communications Systems

open access: yesJournal of ICT Research and Applications, 2014
One of the major challenges due to spectrum scarcity in modern wireless communication is on antenna design that can serve a non-contagious frequency spectrum.
Adit Kurniawan, Salik Mukhlishin
doaj   +1 more source

ANALYSIS OF ANTENNA SYSTEM MODELING WITH THE HELP OF SIMULATION TECHNOLOGY OF NAVIGATION EQUIPMENTS

open access: yesСучасні інформаційні системи
In this paper, a new coplanar waveguide CPW (Coplanar Waveguide) fed circular waveguide for ultra-wideband UWB (Ultra WideBand) applications using High-Frequency Structure Simulator (HFSS) and Computer Simulation Technology (CST) software is presented ...
Asad Rustamov   +4 more
doaj   +1 more source

Bandwidth enhancement for microstrip patch antenna using stacked patch and slot [PDF]

open access: yes, 2009
Small size wideband microstrip patch antenna with slot in ground plane and stacked patch fed through microstrip line is presented. By inserting slot on ground plane and stacked patch supported by wall, the bandwidth can improve up to 25% without ...
AbuTarboush, HF   +5 more
core   +2 more sources

A broadband horizontally polarised omnidirectional antenna with stable radiation patterns

open access: yesThe Journal of Engineering, 2019
A broadband horizontally polarised omnidirectional antenna (HPOA) with stable radiation patterns is proposed. The antenna is composed of two orthogonal broadband HPOA units fed by a wideband power divider.
Zhou Lei, Cui Mantang, Lu Yangyi
doaj   +1 more source

Home - About - Disclaimer - Privacy