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   Articles with "flicker" as a keyword



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Clarifying frequency-dependent brightness enhancement: delta- and theta-band flicker, not alpha-band flicker, consistently seen as brightest

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recommendations! Published in 2019 at "Experimental Brain Research"

DOI: 10.1007/s00221-019-05568-1

Abstract: Frequency-dependent brightness enhancement, a perceptual illusion in which a flickering light can appear twice as bright as a constant light, has historically been reported to produce maximum effects at a flicker rate within the alpha… read more here.

Keywords: theta band; band; brightness enhancement; band flicker ... See more keywords
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Oscillatory potentials in patients with birdshot chorioretinopathy

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recommendations! Published in 2020 at "Documenta Ophthalmologica"

DOI: 10.1007/s10633-020-09776-x

Abstract: Purpose The electroretinogram (ERG) has proven to be useful in the evaluation and monitoring of patients with posterior uveitis. ERG oscillatory potentials (OPs) are sometimes reduced in many uveitic eyes with otherwise grossly normal ERG… read more here.

Keywords: oscillatory potentials; flicker latencies; photopic flicker; patients birdshot ... See more keywords
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Modelling of three-phase electric arc furnace for estimation of voltage flicker in power transmission network

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recommendations! Published in 2017 at "Electric Power Systems Research"

DOI: 10.1016/j.epsr.2017.01.037

Abstract: This paper presents a dynamic model of an electric arc furnace (EAF) developed in Matlab/Simulink environment. Model is based on simulating varying resistance of the electric arc in time-domain while taking into account its stochastic… read more here.

Keywords: electric arc; transmission network; power; voltage flicker ... See more keywords
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Visual discomfort and flicker

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recommendations! Published in 2017 at "Vision Research"

DOI: 10.1016/j.visres.2017.05.015

Abstract: HIGHLIGHTSDiscomfort from flickering lights depends on both their amplitude and phase spectra.Greater discomfort occurs for unnatural temporal spectra.Discomfort is partly predicted from natural image statistics. ABSTRACT Flickering lights can be uncomfortable to look at and… read more here.

Keywords: discomfort; phase spectra; visual discomfort; discomfort flicker ... See more keywords
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AMPLITUDE LOSS OF THE HIGH-FREQUENCY FLICKER ELECTRORETINOGRAM IN EARLY DIABETIC RETINOPATHY.

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recommendations! Published in 2018 at "Retina"

DOI: 10.1097/iae.0000000000002262

Abstract: PURPOSE To evaluate retinal dysfunction in diabetic patients who have mild or no nonproliferative diabetic retinopathy (DR) using the high-frequency flicker electroretinogram. METHODS Light-adapted flicker electroretinograms were recorded from 15 diabetic patients who have no… read more here.

Keywords: high frequency; flicker electroretinogram; diabetic patients; frequency flicker ... See more keywords
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Methodology for Flicker Estimation and Its Correlation to Environmental Factors in Photovoltaic Generation

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recommendations! Published in 2018 at "IEEE Access"

DOI: 10.1109/access.2018.2829148

Abstract: Flicker is a very common power quality disturbance due to the inclusion of photovoltaic (PV) generation on the electric grid. This paper presents a methodology for flicker estimation in a PV generation that fuses multiple… read more here.

Keywords: methodology; estimation; photovoltaic generation; methodology flicker ... See more keywords
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An AC Input Switching-Converter-Free LED Driver With Low-Frequency-Flicker Reduction

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recommendations! Published in 2017 at "IEEE Journal of Solid-State Circuits"

DOI: 10.1109/jssc.2017.2656147

Abstract: This paper presents a novel switching-converter-free ac–dc light-emitting diode (LED) driver with low-frequency-flicker reduction for general lighting applications. The proposed driving solution can minimize the system size as it enables the monolithic integration of the… read more here.

Keywords: converter free; frequency; led driver; power ... See more keywords
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Flicker Attenuation Using FACTS Device for DFIG-Based WECS Connected to Distribution Network

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recommendations! Published in 2023 at "IEEE Systems Journal"

DOI: 10.1109/jsyst.2022.3161469

Abstract: Wind being stochastic in nature results in intermittent and fluctuating wind power sources. This affects the power quality during normal operation. Major causes for such changes are mainly due to tower shadow and wind shear… read more here.

Keywords: series; power; static synchronous; flicker ... See more keywords
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Oscillator Flicker Phase Noise: A Tutorial

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recommendations! Published in 2021 at "IEEE Transactions on Circuits and Systems II: Express Briefs"

DOI: 10.1109/tcsii.2020.3043165

Abstract: A deep understanding of how to reduce flicker phase noise (PN) in oscillators is critical in supporting ultra-low PN frequency generation for the advanced communications and other emerging high-speed applications. Unfortunately, the current literature is… read more here.

Keywords: phase noise; flicker; flicker phase; inline formula ... See more keywords
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Dynamic Mode Decomposition Based Approach for Accurate Measurement of Voltage Flicker Components

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recommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"

DOI: 10.1109/tim.2023.3241974

Abstract: In this work, an accurate estimation of the amplitudes and frequencies of the flicker components has been proposed using dynamic mode decomposition (DMD). The proposed method consists of Hilbert transform for envelope extraction, DMD for… read more here.

Keywords: dynamic mode; mode decomposition; voltage; flicker ... See more keywords
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An AC–DC LED Driver With a Two-Parallel Inverted Buck Topology for Reducing the Light Flicker in Lighting Applications to Low-Risk Levels

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recommendations! Published in 2017 at "IEEE Transactions on Power Electronics"

DOI: 10.1109/tpel.2016.2582856

Abstract: This paper presents an ac–dc LED driver that consists of two-parallel inverted buck converters. To buffer the twice-line-frequency energy, one inverted buck converter (also known as a floating buck converter) conveys energy to a storage… read more here.

Keywords: flicker; led driver; power; topology ... See more keywords