flicker fusion threshold

flicker fusion threshold
critical fusion frequency.

Medical dictionary. 2011.

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  • Flicker fusion threshold — The flicker fusion threshold (or flicker fusion rate) is a concept in the psychophysics of vision. It is defined as the frequency at which an intermittent light stimulus appears to be completely steady to the observer (this article centers around …   Wikipedia

  • Flicker (screen) — Flicker is visible fading between cycles displayed on video displays, especially the refresh interval on cathode ray tube (CRT) based computer screens. Flicker occurs on CRTs when the they are driven at a low refresh rate, allowing the screen s… …   Wikipedia

  • Flicker-free — (or 100 Hz or 120 Hz, depending on country) is a term given to televisions that operate at a 100 or 120 hertz field rate to eliminate flicker, compared to standard televisions that operate at 50 Hz (PAL, SÉCAM systems) or 60 Hz (NTSC). Flicker… …   Wikipedia

  • Critical fusion frequency — is the rate at which stimuli can be presented and still be perceived as a separate stimuli. Stimuli presented at a higher rate than CFF are perceived as continuous stimuli. Motion pictures move because the frames are presented at an higher rate… …   Wikipedia

  • critical flicker frequency — noun or critical fusion frequency : the threshold at which light from an intermittent source is seen half the time as flickering and half the time as fused or continuous …   Useful english dictionary

  • Movie projector — This article is concerned with technical aspects of moving film projection. For non film movie projection, see digital cinema. For historical aspects, see the article history of cinema. 35 mm movie projector in operation …   Wikipedia

  • FFT — fast Fourier transform; finite Fourier transform; flicker fusion test or threshold * * * flicker fusion threshold; see critical fusion frequency, under frequency …   Medical dictionary

  • Магнетизм —     Классическая электродинамика …   Википедия

  • Pulse-width modulation — (PWM) of a signal or power source involves the modulation of its duty cycle, to either convey information over a communications channel or control the amount of power sent to a load. PrinciplePulse width modulation uses a square wave whose pulse… …   Wikipedia

  • пороговая частота слияния мельканий — rus пороговая частота (ж) слияния мельканий eng flicker fusion threshold fra seuil (m) de fréquence critique de fusion optique deu subjektive Verschmelzungsschwelle (f) spa umbral (m) de fusión visual, umbral (m) de fusión intermitente …   Безопасность и гигиена труда. Перевод на английский, французский, немецкий, испанский языки

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