Radiant power incident per unit area upon a surface. Note: Irradiance is usually expressed in watts per square meter, but may also be expressed in joules per square meter. ( 188 ) Deprecated synonym power density.
IRRADIANCE
Meaning of IRRADIANCE in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012