flicker


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flick·er

(flik'ĕr),
The visual sensation caused by stimulation of the retina by a series of intermittent light flashes occurring at a certain rate.
See also: flicker fusion, critical flicker fusion frequency.

flicker

A rapid, transient and intermittent photic discharge sensed in a visual field.

flicker

The visual sensation of alternating intervals of brightness caused by rhythmic interruption of light stimuli.

flicker

Perception produced when the retina is stimulated by an intermittent light stimulus which fluctuates between a frequency of a few hertz and the critical fusion frequency.
References in periodicals archive ?
1999), the silt and clay soils used by the Flicker here were comprised entirely of fine-textured particles of 0.
Poor quality power from a utility can also cause lighting flicker.
Visible flicker was also found to be highly dependent on transformer type.
To quantify the stroboscopic effect first of all it is necessary to define photometric flicker quantities.
Dave Strong, of Sustainable Energy, said the two baseball fields behind the library will be affected by flicker for 34 days in the spring and 24 days in the fall for an average of 4 to 5.
There has been emerging concern about health effects in lighting due to "invisible" flicker (IEEE P1789, 2010).
What they say Kevin Prendergast, trainer of Alshahbaa and Velvet Flicker "They are two nice fillies and Alshahbaa prefers softer ground and Velvet Flicker prefers good ground, so I declared both as one of them should get their conditions.
In his new role Flicker, who most recently led the Global Paper & Forest Products group at Citigroup (NYSE: C), will focus on that same sector at Greenhill.
The system provides measurement modes for flicker noise and DC parameter extraction, both over temperature (-60[degrees]C to 300[degrees]C).
A university spokesman said: "Planning permission for wind farms often consider flicker but current guidelines relate to annoyance and are based on physical or engineering considerations rather than the danger to people who may be photosensitive.
Smaller variable-speed turbines range between 30 and 300 revolutions a minute and some have more than three blades, so their flicker is within the range for which seizures are likely.