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- Noise-equivalent_flux_density abstract "In optics the noise-equivalent flux density (NEFD) or noise-equivalent irradiance (NEI) of a system is the level of flux density required to be equivalent to the noise present in the system. It is a measure used by astronomers in determining the accuracy of observations.The NEFD can be related to a light detector's Noise-Equivalent Power for a collection area A and a photon bandwidth by:, where a factor (often 2, in the case of switching between measuring a source and measuring off-source) accounts for the photon statistics for the mode of operation.".
- Noise-equivalent_flux_density wikiPageID "3265720".
- Noise-equivalent_flux_density wikiPageRevisionID "580579162".
- Noise-equivalent_flux_density hasPhotoCollection Noise-equivalent_flux_density.
- Noise-equivalent_flux_density subject Category:Physical_quantities.
- Noise-equivalent_flux_density subject Category:Vector_calculus.
- Noise-equivalent_flux_density type Abstraction100002137.
- Noise-equivalent_flux_density type Measure100033615.
- Noise-equivalent_flux_density type PhysicalQuantities.
- Noise-equivalent_flux_density comment "In optics the noise-equivalent flux density (NEFD) or noise-equivalent irradiance (NEI) of a system is the level of flux density required to be equivalent to the noise present in the system.".
- Noise-equivalent_flux_density label "Noise-equivalent flux density".
- Noise-equivalent_flux_density sameAs m.0926h7.
- Noise-equivalent_flux_density sameAs Q7047651.
- Noise-equivalent_flux_density sameAs Q7047651.
- Noise-equivalent_flux_density sameAs Noise-equivalent_flux_density.
- Noise-equivalent_flux_density wasDerivedFrom Noise-equivalent_flux_density?oldid=580579162.
- Noise-equivalent_flux_density isPrimaryTopicOf Noise-equivalent_flux_density.