et

taandatud heledustegur

1

Terminological databases

Metroloogia terminibaas

ID 574389 Last modified 30.06.2024
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Domain Standardisation - Metrologyunits of measurement
  • pinnaelemendi heledusteguri ja sellele langeva valguse langenurga koosiinuse kuubi korrutis
  • luminance coefficient of a surface element multiplied by the cube of the cosine of the angle of incidence of the light on the surface element
taandatud heledustegur
Usage examples
  • Vaatlussuunanurga vahemikus 0,50 kuni 1,50 võib taandatud heledusteguri väärtuse lugeda konstantseks.
Good to know
  • Taandatud heledusteguri ühik on steradiaan astmes –1 (sr–1).
reduced luminance coefficient
Usage examples
  • The angle of observation affects the value of reduced luminance coefficient.
Good to know
  • Unit: sr –1.

Valgustehnika terminibaas

ID 611752 Last modified 12.02.2025
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Domain electric lighting
  • pinnaelemendi heledusteguri ja sellele langeva valguse langenurga koosinuse kuubi korrutis
    Good to know
    • Ühik: steradiaan astmes –1, sr –1
  • luminance coefficient of a surface element multiplied by the cube of the cosine of the angle of incidence of the light on the surface element
    Good to know
    • Unit: sr –1

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