Calibration facility for airborne imaging spectrometers

被引：74

作者：

Gege, Peter ^{[1
]}

Fries, Jochen ^{[1
]}

Haschberger, Peter ^{[1
]}

Schoetz, Paul ^{[1
]}

Schwarzer, Horst ^{[2
]}

Strobl, Peter ^{[3
]}

Suhr, Birgit ^{[1
]}

Ulbrich, Gerd ^{[4
]}

Vreeling, Willem Jan ^{[1
]}

机构：

[1] German Aerosp Ctr DLR, Remote Sensing Technol Inst, D-82234 Oberpfaffenhofen, Wessling, Germany

[2] German Aerosp Ctr DLR, Opt Informat Syst, D-12489 Berlin, Germany

[3] European Commiss, Joint Res Ctr, Inst Environm & Sustainabil, I-21023 Ispra, Italy

[4] European Space Agcy ESA, EOP PIO, NL-2200 AG Noordwijk, Netherlands

来源：

ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING | 2009年 / 64卷 / 04期

关键词：

Remote sensing; Calibration; Laboratory; Imaging spectrometer; APEX; VALIDATION;

D O I：

10.1016/j.isprsjprs.2009.01.006

中图分类号：

P9 [自然地理学];

学科分类号：

0705 ; 070501 ;

摘要：

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: +/- 14 degrees) 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. (C) 2009 International Society for Photogrammetry and Remote Sensing, Inc. (ISPRS). Published by Elsevier B.V. All rights reserved.

引用

页码：387 / 397

页数：11

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