Articles with "multi band" as a keyword



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Low‐loss frequency selective surface for multi‐band THz transmission measurement

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Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32246

Abstract: Frequency selective surface is a key component in a quasi‐optical system enabling multi‐band operation. This work presents the design, fabrication and measurement of a low‐loss frequency selective surface in a quasi‐optical system for terahertz transmission… read more here.

Keywords: multi band; selective surface; frequency selective; measurement ... See more keywords
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Multi‐band multi‐shot diffusion MRI reconstruction with joint usage of structured low‐rank constraints and explicit phase mapping

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Published in 2022 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.29422

Abstract: To develop a joint reconstruction method for multi‐band multi‐shot diffusion MRI. read more here.

Keywords: multi shot; band multi; reconstruction; diffusion mri ... See more keywords
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A Simple Multi-band Metamaterial Absorber with Combined Polarization Sensitive and Polarization Insensitive Characteristics for Terahertz Applications

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Published in 2018 at "Plasmonics"

DOI: 10.1007/s11468-018-0852-x

Abstract: This paper presents a simple multi-band metamaterial absorber for terahertz applications. The unit cell of the proposed structure consists of a single square ring having gaps at the centers on three of its sides. The… read more here.

Keywords: absorption; simple multi; polarization; multi band ... See more keywords
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Design and analysis of a new composite double negative metamaterial for multi-band communication

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Published in 2017 at "Current Applied Physics"

DOI: 10.1016/j.cap.2017.04.008

Abstract: Abstract In this paper, a double C-shaped structure of double negative composite metamaterial is designed and depicts in configurations that can capable in a multi-band microwave frequency band. The design has achieved relative negative permeability,… read more here.

Keywords: negative metamaterial; double negative; multi band; band ... See more keywords
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Design and characterization for dual-band and multi-band A-sandwich composite radome walls

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Published in 2017 at "Composites Science and Technology"

DOI: 10.1016/j.compscitech.2017.05.027

Abstract: Abstract Nowadays, radomes that are employed to protect antennas inside from physical environment are required to have dual-band or even multi-band transmission performance. In this paper, a design scheme based on the theory of small… read more here.

Keywords: band multi; radome walls; dual band; multi band ... See more keywords
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Multi-band absorption induced by near-field coupling and defects in metamaterial

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Published in 2018 at "Optik"

DOI: 10.1016/j.ijleo.2017.12.025

Abstract: Abstract In this work, we propose two approaches to obtain a multi-band metamaterial perfect absorber (MPA) in the THz region. The first one is based on the near-field coupling between bright and dark resonators in… read more here.

Keywords: absorption; near field; multi band; band ... See more keywords
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Blind carrier phase estimation based on geometric projection for the multi-band VLC system

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Published in 2019 at "Optik"

DOI: 10.1016/j.ijleo.2019.02.075

Abstract: Abstract The carrier phase offset induced by the mismatch between the signal subcarrier frequency and arbitrary waveform generator (AWG) reference clock is a key problem for high-speed multi-band visible light communication (VLC) system. In this… read more here.

Keywords: multi band; system; vlc system; carrier phase ... See more keywords
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Polarization-insensitive multi-band metamaterial absorber operating in the 5G spectrum

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Published in 2020 at "Optik"

DOI: 10.1016/j.ijleo.2020.164958

Abstract: Abstract A polarization-insensitive multi-band metamaterial absorber comprised of four concentric rectangular rib structures, mounted over a dielectric medium, was investigated. The performance of the absorber was studied under different polarization and oblique incidence angles. Both… read more here.

Keywords: insensitive multi; polarization; multi band; absorber ... See more keywords
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Multi-band SWIFT enables quiet and artefact-free EEG-fMRI and awake fMRI studies in rat

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Published in 2020 at "NeuroImage"

DOI: 10.1016/j.neuroimage.2019.116338

Abstract: Functional magnetic resonance imaging (fMRI) studies in animal models provide invaluable information regarding normal and abnormal brain function, especially when combined with complementary stimulation and recording techniques. The echo planar imaging (EPI) pulse sequence is… read more here.

Keywords: band swift; simultaneous electrophysiological; fmri studies; swift ... See more keywords
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A design of multi-band antenna based on active metamaterials

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Published in 2018 at "Optical Materials"

DOI: 10.1016/j.optmat.2018.07.025

Abstract: Abstract A design of multi-band antenna based on active meta-materials is presented in this paper. The proposed structure consists of monopole antenna integrated with active rectangular complementary split ring resonator (CSRR). The simulations are performed… read more here.

Keywords: design multi; based active; multi band; band ... See more keywords
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Multi-Band Sensing for Dielectric Property of Chemicals Using Metamaterial Integrated Microfluidic Sensor

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Published in 2018 at "Scientific Reports"

DOI: 10.1038/s41598-018-32827-y

Abstract: The growth of the chemical industry has brought tremendous challenges to chemical sensing technology. Chemical sensors based on metamaterials have great potential because of their label-free and non-destructive characteristics. However, metamaterials applied in chemical sensing… read more here.

Keywords: sensing dielectric; dielectric property; band sensing; multi band ... See more keywords