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Calibration facility for airborne imaging spectrometers

Gege, Peter and Fries, Jochen and Haschberger, Peter and Schötz, Paul and Schwarzer, Horst and Strobl, Peter and Suhr, Birgit and Ulbrich, Gerd and Vreeling, Willem Jan (2009) Calibration facility for airborne imaging spectrometers. ISPRS Journal of Photogrammetry and Remote Sensing, 64, pp. 387-397. DOI: 10.1016/j.isprsjprs.2009.01.006. ISSN 0924-2716.

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Abstract

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 optimised to characterise 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: ±14°) 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 such with thermal infrared detectors) by exchanging the monochromator’s lamp, the gratings and the filters, and by adjusting the distance between sensor and folding mirror.

Document Type:Article
Title:Calibration facility for airborne imaging spectrometers
Authors:
AuthorsInstitution or Email of Authors
Gege, Peterpeter.gege@dlr.de
Fries, JochenUNSPECIFIED
Haschberger, PeterUNSPECIFIED
Schötz, PaulUNSPECIFIED
Schwarzer, HorstUNSPECIFIED
Strobl, PeterJRC, Ispra, Italy
Suhr, BirgitUNSPECIFIED
Ulbrich, GerdESA, Noordwijk, The Netherlands
Vreeling, Willem JanUNSPECIFIED
Date:25 February 2009
Journal or Publication Title:ISPRS Journal of Photogrammetry and Remote Sensing
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:64
DOI:10.1016/j.isprsjprs.2009.01.006
Page Range:pp. 387-397
ISSN:0924-2716
Status:Published
Keywords:Remote Sensing, Calibration, Laboratory, Imaging Spectrometer, APEX
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Spektrometrische Verfahren und Konzepte der Fernerkundung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Experimental Methods
Deposited By: Dr.rer.nat. Peter Gege
Deposited On:27 Jul 2009 12:59
Last Modified:07 Feb 2013 19:26

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