brightness temperature - Asfa

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brightness temperature (en)

Brightness temperature or radiance temperature is the temperature at which a black body in thermal equilibrium with its surroundings would have to be in order to duplicate the observed intensity of a grey body object at a frequency. This concept is used in radio astronomy, planetary science and materials science. The brightness temperature of a surface is typically determined by an optical measurement, for example using a pyrometer, with the intention of determining the real temperature.
Источник: https://en.wikipedia.org/wiki/Brightness_temperature
Создано: 6/27/22
Последнее изменение: 6/27/22
(en)

http://aims.fao.org/aos/agrovoc/c_eb7d2770

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