flicker frequency
A Study of Usefulness of Psychometric Tests and Critical Flicker Frequency in Diagnosis of Minimal Hepatic Encephalopathy in Patients with Cirrhosis at Government Stanley Hospital, Chennai – 600 001
... In our study , 100 patients who have been diagnosed and proven as a case of cirrhosis were include under the study group and 50 other people were included as control group without any evidence of liver disease .Before ...
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A study on critical flicker frequency in Migraineurs.
... critical flicker frequency. The group critical flicker frequency was highest for control subjects ...critical flicker frequency was obtained from migraineurs without aura ...
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Flicker induced eye movements and the behavioural temporal cut off frequency in a nocturnal spider
... behavioural flicker fusion ...same frequency as the subsequent ...to flicker at a given frequency for ...flicker frequency. Twelve spiders were shown seven different ...
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Review of Voltage Flicker Estimation Algorithms
... voltage flicker caused by loads that exhibit continuous, rapid variations in load current is considered as a major power quality ...voltage flicker levels are important for effective design and ...
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Flicker-light induced visual phenomena: Frequency dependence and specificity of whole percepts and percept features
... of flicker-light induced impressions on the flicker ...continuous frequency scan over the range 1–50 Hz with a focus on re-occurring, whole ...of frequency stability of re-occurring individual ...
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The effect of fluorescent light flicker and lamp type on the health, productivity and satisfaction of data entry personnel : an interventional study
... that flicker frequency or modulation depth affected the severity of eyestrain, lethargy and headache symptoms, the satisfaction of the occupants or their perceived or actual ...low frequency ...
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Comparison of Two Instrumental Assessment of Mental Fatigue
... be flicker fusion device. A century ago, flicker fusion used as a visual perception Index ...critical flicker frequency and several psychological variable in his dissertation ...a ...
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... achromatic flicker frequencies (10 Hz and 20 ...of flicker frequency encoded BOLD amplitude modulation may be lost when the signal is averaged across the M and P ...this frequency encoded ...
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Video exhibition with adjustable augmented reality system based on temporal psycho-visual modulation
... or mobile phone. The camera normally can process and capture the display frames even the flicker frequency higher than 60 Hz. That is, a mobile camera can capture frames with an AR tag. However, human ...
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Alpha Rhythms Response to 10 Hz Flicker Is Wavelength Dependent
... Intermittent light stimulation was performed on patient awake, sited on a confortable chair. The EEG was re- corded by means of a casque with 10 leads (10 - 20 sys- tem reduced) on the electroencephalograph MICRO- MED ...
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Application of different signal analysis methods to the ULF data for the 1993 Guam earthquake
... wide frequency range from DC (frequency less than 1 mHz), ULF (frequency from 1 mHz to 10 Hz) to VHF (30–300 MHz) as- sociated with earthquakes (EQs) ...
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Effective Mitigation of Voltage Flicker in Power System using 12 Pulse Converter based Statcom
... complete voltage flicker mitigation design. In this case, the first converter is connected with a wye-wye transformer and the second one with a wye-star transformer. These are linked together using a three winding ...
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Voltage Flicker Compensation Using Statcom
... voltage flicker, is presented in this ...voltage flicker compensation to overcome the aforementioned problems related to other ...voltage flicker to the system in the next ...
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... These flicker metrics, though helpful for LED manufacturers, are just recommendations and not the global standard ...standard flicker metric that can help the lighting industry both nationally and ...
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Controlling Flicker Caused Due to Power Fluctuations by Using Individual Pitch Control for a Variable Speed Dfig Based Wind Turbine
... on flicker emanation about grid- connected wind turbines, for example, such that impede ability Furthermore grid impedance ...The flicker emanation for diverse sorts for wind turbines will be exactly ...the ...
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Feasability study of frequency doubling using a dual edge method
... CMOS Frequency Doubler in CMOS ...kHz flicker noise corner frequency and reference spurs at the synthesizer output should be smaller than -80 dBc, within a power budget of approximately 4 ...a ...
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A 0 5V low power single stage folded cascode amplifier for bio signals
... Long term monitoring and measurement of bio signals requires new techniques that promise light weight devices consuming low power and are maintenance free. The basic block in processing analog signal happens to be ...
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Optimal Presentation Modes for Detecting Brain Tumor Progression
... with flicker; CF ⫽ change detection images also allowing flicker display mode; FLAIR ⫽ fluid-attenuated inversion recovery; FN ⫽ false-negative; FP ⫽ false-positive; GBM ⫽ glioblastoma multiforme; GTR ⫽ ...
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Flicker-noise spectroscopy in earthquake prediction research
... The method of flicker-noise spectroscopy to derive informa- tion on the dynamics of an earthquake preparation process is proposed. Integral indices of analyzed time realizations, in particular power spectra and ...
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Assessment of the Amplitude-Frequency Characteristics of the Retina with Its Stimulation by Flicker and Chess Pattern-Reversed Incentives and their Use to Obtain New Formalized Signs of Retinal Pathologies
... In all methods, the critical point is the selection and evaluation of formalized informative features and comparing them with the norm range. This approach is widely used in the study of dynamic objects and systems in ...
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