IEVref:
845-04-84
ID:
Language:
en
Status:
Obsolete
Term:
Napierian spectral internal transmittance density
Synonym1:
Napierian spectral absorbance (of a homogeneous non-diffusing layer)
[
Preferred
]
Synonym2:
Synonym3:
Symbol:
A
n
(
λ
);
B
(
λ
)
Definition:
natural (Napierian) logarithm of the reciprocal of the spectral internal transmittance
A
n
(
λ
) =
B
(
λ
) = −ln
τ
i
(
λ
)
Publication
date
:
1987
Source
Replaces:
Internal notes:
2015-10-21: Replacement of — by −. JGO
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
natural (Napierian) logarithm of the reciprocal of the spectral internal transmittance
A
n
(
λ
) =
B
(
λ
) = −ln
τ
i
(
λ
)