Articles with "frequency shift" as a keyword



Doppler Frequency‐Shift Information Processing in WO x ‐Based Memristive Synapse for Auditory Motion Perception

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Published in 2023 at "Advanced Science"

DOI: 10.1002/advs.202300030

Abstract: Auditory motion perception is one crucial capability to decode and discriminate the spatiotemporal information for neuromorphic auditory systems. Doppler frequency‐shift feature and interaural time difference (ITD) are two fundamental cues of auditory information processing. In… read more here.

Keywords: frequency shift; auditory motion; auditory; motion perception ... See more keywords
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The larmor frequency shift in magnetically heterogeneous media depends on their mesoscopic structure

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Published in 2018 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26753

Abstract: Recent studies have addressed the determination of the NMR precession frequency in biological tissues containing magnetic susceptibility differences between cell types. The purpose of this study is to investigate the dependence of the precession frequency… read more here.

Keywords: shift magnetically; frequency; frequency shift; magnetically heterogeneous ... See more keywords

Utility of gradient recalled echo magnetic resonance imaging for the study of myelination in cuprizone mice treated with fingolimod

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Published in 2018 at "NMR in Biomedicine"

DOI: 10.1002/nbm.3877

Abstract: The availability of high‐field‐strength magnetic resonance imaging (MRI) systems has brought about the development of techniques that aim to map myelination via the exploitation of various contrast mechanisms. Myelin mapping techniques have the potential to… read more here.

Keywords: resonance imaging; susceptibility; magnetic resonance; frequency shift ... See more keywords

Cancellation of Raman self-frequency shift for compression of optical pulses

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Published in 2017 at "Optical and Quantum Electronics"

DOI: 10.1007/s11082-017-1164-7

Abstract: We study to which extent a fiber soliton can be manipulated by a specially chosen continuous pump wave. A group velocity matched pump scatters at the soliton, which is compressed due to the energy/momentum transfer.… read more here.

Keywords: compression; raman self; cancellation raman; frequency shift ... See more keywords

How oxides affect the stretching modes of carbon monoxide adsorbed on Ni catalyst?

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.02.014

Abstract: Abstract Testing the stretching frequency shift of adsorbed CO has been a popular tool to evaluate the chemical property change of catalysts. We demonstrated first-principles models to reveal the mechanism of oxides effect on the… read more here.

Keywords: oxides affect; frequency shift; affect stretching; shift adsorbed ... See more keywords

Automatic Frequency-Shift Detection in the Auditory System: A Review of Psychophysical Findings

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Published in 2018 at "Neuroscience"

DOI: 10.1016/j.neuroscience.2017.08.045

Abstract: The human brain has the task of binding successive sounds produced by the same acoustic source into a coherent perceptual stream, and binding must be selective when several sources are concurrently active. Binding appears to… read more here.

Keywords: pure tones; system; frequency; frequency shift ... See more keywords
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Dual-phase-lagging thermoelastic damping and frequency shift of micro/nano-ring resonators with rectangular cross-section

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Published in 2020 at "Thin-walled Structures"

DOI: 10.1016/j.tws.2020.107309

Abstract: Abstract Considering the heat-conduction dimension (HCD) and adopting the dual-phase-lagging (DPL) non-Fourier theory, analytical models of thermoelastic damping (TED) and frequency shift for the rectangular cross-section micro/nano-ring resonators are first derived in the series form… read more here.

Keywords: frequency; phase lagging; frequency shift; dual phase ... See more keywords

Detection of SARS-CoV-2 Using Antibody–Antigen Interactions with Graphene-Based Nanomechanical Resonator Sensors

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Published in 2021 at "ACS Applied Nano Materials"

DOI: 10.1021/acsanm.1c00983

Abstract: Coronavirus disease 2019 (COVID-19) is a newly emerging human infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Early diagnosis is essential to reducing the transmission rate and mortality of COVID-19. PCR-based tests… read more here.

Keywords: graphene based; detection; antibody; frequency shift ... See more keywords

Nuclear Spin Relaxation and Electric Quadrupole Frequency Shift of 129 Xe- 131 Xe in Cubic Stemless MEMS Atomic Vapor Cells

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Published in 2025 at "ACS Omega"

DOI: 10.1021/acsomega.5c04797

Abstract: Research on the electric quadrupole frequency shift mechanism and nuclear spin relaxation of 129Xe–131Xe in alkali metal atomic vapor cells fabricated using microelectromechanical systems (MEMS) technology remains in its early stages. Therefore, an in-depth investigation… read more here.

Keywords: frequency shift; electric quadrupole; nuclear spin; quadrupole frequency ... See more keywords

Research on frequency shift signal detection algorithm for jointless track circuits based on improved relaxation algorithm

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Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-77793-w

Abstract: The accuracy of ZPW-2000 frequency shift signal demodulation is related to the safety and efficiency of high-speed trains. This paper proposed a kind of ZPW-2000 frequency-shift signal detection algorithm based on improved Relaxation algorithm (ZFSD-IR)… read more here.

Keywords: frequency shift; detection; shift signal; 2000 frequency ... See more keywords

Energy Analysis of the Resonant Frequency Shift Pattern Induced by Nonuniform Blockages in Pressurized Water Pipes

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Published in 2019 at "Journal of Hydraulic Engineering"

DOI: 10.1061/(asce)hy.1943-7900.0001607

Abstract: AbstractBlockages in urban water supply systems are commonly formed from various complicated physical, chemical, and biological processes; thus, they usually constrict randomly and nonuniformly alo... read more here.

Keywords: energy analysis; water; resonant frequency; frequency shift ... See more keywords