Reflectivity: Difference between revisions
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Reflectivity is a term in [[radiometry]]. It is the ratio between the [[Irradiance|exitance]] from the front of a surface and the incident [[irradiance]] on the front. | '''Reflectivity''' is a term in [[radiometry]]. It is the ratio between the [[Irradiance|exitance]] from the front of a surface and the incident [[irradiance]] on the front. | ||
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Revision as of 23:00, 2 January 2008
Reflectivity is a term in radiometry. It is the ratio between the exitance from the front of a surface and the incident irradiance on the front.
Note that reflectivity is a unitless quantity in the range [0,1]. It normally varies as a function of wavelength. Reflectivity does not capture the angular dependence of the reflected energy; that is characterized by a BRDF.