Results 1 to 10 of about 6,007 (164)

Metamaterial inspired electromagnetic bandgap filter for ultra-wide stopband screening devices of electromagnetic interference [PDF]

open access: yesScientific Reports, 2023
Presented here is a reactively loaded microstrip transmission line that exhibit an ultra-wide bandgap. The reactive loading is periodically distributed along the transmission line, which is electromagnetically coupled.
Muath Al-Hasan   +6 more
doaj   +2 more sources

On the Suppression Band and Bandgap of Planar Electromagnetic Bandgap Structures [PDF]

open access: yesInternational Journal of Antennas and Propagation, 2014
Electromagnetic bandgap structures are considered a viable solution for the problem of switching noise in printed circuit boards and packages. Less attention, however, has been given to whether or not the introduction of EBGs affects the EMI potential of
Baharak Mohajer-Iravani, Omar M. Ramahi
doaj   +2 more sources

Compact Electromagnetic Bandgap Structures for Notch Band in Ultra-Wideband Applications

open access: yesSensors, 2010
This paper introduces a novel approach to create notch band filters in the front-end of ultra-wideband (UWB) communication systems based on electromagnetic bandgap (EBG) structures.
Jan Sykulski, Mihai Rotaru
exaly   +3 more sources

Accurate Characterization of Electromagnetic Band-Gap Structures

open access: yesIEEE Access, 2021
In this paper, electromagnetic band-gap (EBG) structures are accurately characterized using a free-space method. The field transmission and reflection parameters are exploited to determine the effective material parameters both inside and outside the ...
Yosef T. Aladadi, Majeed A. S. Alkanhal
doaj   +1 more source

High-Isolation 5G Repeater Antenna Using a Novel DGS and an EBG [PDF]

open access: yesJournal of Electromagnetic Engineering and Science, 2023
Repeaters have been widely used to improve communication quality and extend the coverage areas of wireless communication systems. However, mutual coupling between the Tx and Rx antennas significantly deteriorates the performance of repeater systems. This
Myeong-Jun Kang   +3 more
doaj   +1 more source

A new periodic interdigital structure - three dimensional realization based on two dimensional design [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2012
A novel design concept of new periodic interdigital structure for total transmission is proposed from the perspective of electromagnetic (EM) field in this paper.
Ning H., Wang J., Xiong Q., Mao L.
doaj   +1 more source

Design of an applied method with graphite structure for suppression of surface electromagnetic waves between array antennas

open access: yesAIP Advances, 2023
In this study, a method of combining graphite structure and electromagnetic bandgap to reduce the mutual coupling of electromagnetic waves in array antennas is proposed.
M. R. Rohaninezhad   +2 more
doaj   +1 more source

Contactless Waveguide Characterization of Piezoresistive Materials for Wireless Strain Sensors

open access: yesSensors, 2022
Stretchable materials are widely used for the realization of various sensors, but their radio frequency behavior has not been fully characterized so far. Here, an innovative method is proposed for deriving the surface impedance of this kind of materials.
Sandra Rodini   +3 more
doaj   +1 more source

Reduced Loss and Prevention of Substrate Modes with a Novel Coplanar Waveguide Based on Gap Waveguide Technology

open access: yesSensors, 2023
The Gap Waveguide technology utilizes an Artificial Magnetic Conductor (AMC) to prevent the propagation of electromagnetic (EM) waves under certain conditions, resulting in various gap waveguide configurations.
Carlos Biurrun-Quel   +2 more
doaj   +1 more source

Study on Transmission Characteristics and Bandgap Types of Plasma Photonic Crystal

open access: yesPhotonics, 2021
A plasma photonic crystal (PPC) was formed using an array of discharge plasma tubes. The transmission spectra and bandstructure of PPCs with different lattice types under different polarization modes were studied through simulation and measurement.
Yichao Liang   +5 more
doaj   +1 more source

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