European Facility For Airborne Research

European Facility For Airborne Research June 29, 2022, 00:05

Terms - F

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FFRDC: Federally Funded Research and Development Center. Federally Funded Research and Development Centers are public-private partnerships which conduct research for the United States Government.

field of view (FOV): The solid angle through which an instrument is sensitive to radiation.

flux: The rate of fluid, energy or particle transfer per unit area across a given interface.

FODIS: Fibre Optic Downwelling Irradiance Sensor.

f-stop: Aperture stop, a number inversely proportional to the diameter of the entrance optics.

FWHM: A full width at half maximum (FWHM) is an expression of the extent of a function, given by the difference between the two extreme values of the independent variable at which the dependent variable is equal to half of its maximum value. It is applied to the resolution of spectrometers.


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