TERMIUM Plus®

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LUMINANCE EQUIVALENTE [2 records]

Record 1 1985-10-01

English

Subject field(s)
  • Optics
  • The Eye
DEF

Luminance which has to be added, by superposition, to the luminance of both the adapting background and the object in order to make the luminance difference threshold in the absence of disability glare the same as that experienced in the presence of disability glare.

French

Domaine(s)
  • Optique
  • Oeil
DEF

Luminance qui doit être ajoutée, par superposition, à celle du fond d'adaptation et de l'objet afin que le seuil différentiel de luminance en l'absence d'éblouissement perturbateur devienne le même que celui qui existe dans les conditions d'éblouissement perturbateur.

Spanish

Save record 1

Record 2 1985-10-01

English

Subject field(s)
  • Optics
  • Scientific Measurements and Analyses
DEF

Luminance of a comparison field in which the radiation has the same spectral composition as that of a full radiator at the temperature of freezing platinum and which has the same luminosity as the field considered under the specified photometric conditions of measurement; the comparison field must have a specified size and shape which may be different from that of the field considered.

CONT

equivalent luminance (of a field of given size and shape, for a radiation of arbitrary relative spectral composition).

French

Domaine(s)
  • Optique
  • Mesures et analyse (Sciences)
DEF

Luminance d'un champ de comparaison dont le rayonnement a la même composition spectrale que celle du corps noir à la température de congélation du platine et qui a la même luminosité que le champ considéré dans des conditions de mesure photométrique déterminées; le champ de comparaison doit avoir des dimensions et une forme définies, mais qui peuvent être différentes de celles du champ considéré.

CONT

luminance équivalente (d'un champ de dimensions et de forme données, pour un rayonnement de composition spectrale relative arbitraire).

Spanish

Save record 2

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