|
|
|
|
|
|
|
|
|
Foot lambert (fl)
CCTV glossary (глоссарий терминов по видеонаблюдению) |
A unit of luminance equal to 1/candela per square foot or to the uniform luminance at a perfectly diffusing surface emitting or reflecting light at the rate of one lumen per square foot. a lumen per square foot is a unit of incident light and a foot lambert is a unit of emitted or reflected light. for a perfectly reflecting and perfectly diffusing surface, the number of lumens per square foot is equal to the number of foot lamberts.
|
|
Reflecting, английский
|
Frame frequency, английский
The number of times per second that the frame is scanned. the u.s. standard is 30 frames per second.
Foot candle, английский
See lumen/ft 2.
|
|
|
|
|
|
|