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Calibration facility for airborne imaging spectrometers / P. Gege in ISPRS Journal of photogrammetry and remote sensing, vol 64 n° 4 (July - August 2009)  

Public [article]  inISPRS Journal of photogrammetry and remote sensing > vol 64 n° 4 (July - August 2009) . - pp 387 - 397 Titre : Calibration facility for airborne imaging spectrometers Type de document : Article/Communication Auteurs : P. Gege, Auteur ; J. Fries, Auteur ; et al., Auteur Année de publication : 2009 Article en page(s) : pp 387 - 397 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s) [Termes IGN] Airborne Prism Experiment [Termes IGN] capteur aérien [Termes IGN] étalonnage de capteur (imagerie) [Termes IGN] spectromètre imageur Résumé : (Auteur) A new facility designed to perform calibration measurements of airborne imaging spectrometers was established at the German Aerospace Center (DLR) in Oberpfaffenhofen. This Calibration Home Base (CHB) is optimized to characterize radiometrically, spectrally, and geometrically the APEX (Airborne Prism Experiment) imaging spectrometer, which is currently being developed under the authority of the European Space Agency (ESA). It however can be used for other optical sensors as well. Computer control of major laboratory equipment allows automation of time consuming measurements. In APEX configuration (wavelength range: 380 to 2500 nm, instantaneous field of view: 0.48 mrad, field of view: +14ring operator) spectral measurements can be performed to a wavelength uncertainty of +0.15 nm, geometric measurements at increments of 0.0017 mrad across track and 0.0076 mrad along track, and radiometric measurements to an uncertainty of +3% relative to national standard. The CHB can be adapted to similar sensors (including those with thermal infrared detectors) by exchanging the monochromator’s lamp, the gratings and the filters, and by adjusting the distance between the sensor and folding mirror. Copyright ISPRS Numéro de notice : A2009-296 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2009.01.006 En ligne : https://doi.org/10.1016/j.isprsjprs.2009.01.006 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29926 [article]

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