2005
DOI: 10.1016/s1079-4042(05)41010-3
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10. The Calibration and Characterization of Earth Remote Sensing and Environmental Monitoring Instruments

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Cited by 22 publications
(14 citation statements)
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“…The OLI stim lamps are tungsten halogen lamps and are operated in a constant current mode. It has been widely observed [27], that this type of lamp, operated in this manner, will burn significantly warmer and therefore brighter in a "zero gravity" state. The conventional wisdom is that this is due to the lack of convectional cooling of the filament in a zero gravity environment.…”
Section: Oli Transfer To Orbit Experimentsmentioning
confidence: 99%
“…The OLI stim lamps are tungsten halogen lamps and are operated in a constant current mode. It has been widely observed [27], that this type of lamp, operated in this manner, will burn significantly warmer and therefore brighter in a "zero gravity" state. The conventional wisdom is that this is due to the lack of convectional cooling of the filament in a zero gravity environment.…”
Section: Oli Transfer To Orbit Experimentsmentioning
confidence: 99%
“…The global nature of Earth's processes requires consistent long-term calibration of all instruments involved in data retrieval 1 . The bidirectional reflectance distribution function (BRDF) defines the directional reflection characteristics of an optical surface.…”
Section: Introductionmentioning
confidence: 99%
“…This is valid for an instrument with narrow bandwidth channels. Equation (2) can be rewritten using Equations (3)-(5) as below [12].…”
Section: Dn "mentioning
confidence: 99%
“…For RSB, the radiance in Equation (1) can be written for observing the earth as solar reflected radiance, DN " Gain E sun pλq BRDF pφ h , φ ν q R I pλq cos θ dA s dω s dλ dt (12) where E sun is the solar spectral irradiance, BRDF is the bi-directional reflectance distribution function and ϕ h , ϕ v are the horizontal and the vertical incidence angles of solar illumination on the reflectance standard or the earth scene. The instrument calibration for RSB is performed on orbit using a reflectance standard such as Spectralon™ to observe reflected solar radiation in comparison to the reflected light from the earth scene.…”
Section: Dn "mentioning
confidence: 99%