luminance
英['lju:minəns]美['lju:minəns]
[计] 亮度
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- The brightness or luminance of an object is defined as the luminous flux emitted per unit area of the object into unit solid angle
物体的亮度或发光率定义为物体面积发射到单位立体角内的光通量。收藏 - A unit of luminance equal to1 / x candela per square foot.
英尺朗伯等于每平方英尺1;x新烛光的亮度单位收藏 - A unit of luminance equal to one thousandth(10 - 3)of a lambert.
毫朗伯亮度单位，等于千分之一(10－3)朗伯收藏 - (2) Photographic term for the light reflected by the copy. Measured in cd/sq.cm.Also called Luminance.
(2)照相光学名词。指从原稿反射的光线强度。以烛光每平方厘米计算。收藏 - The present study examined the critical flicker fusion (CFF) of spectrallights and white light at different luminance levels. Flicker was produced byintercepting a beam of light with a sector disk driven by a variable speedmotor. Six wavelengths were used, i. e. 440, 460, 540, 560, 640 and 660 nm.
本实验研究了不同亮度级的光谱色光(440,460,540,560,640,660nm)和白光的CFF。 收藏
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