et

r

1 [`err] symbol

Terminological databases

Metroloogia terminibaas

ID 574389 Last modified 06.10.2026
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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).
r symbol
Usage examples
  • r = q∙cos3ε.
reduced luminance coefficient
Usage examples
  • The angle of observation affects the value of reduced luminance coefficient.
Good to know
  • Unit: sr –1.
r symbol
Usage examples
  • r = q∙cos3ε.

Word forms

Inflection Type 22

r r-id
r-i r-ide
r-i r-isid

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