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Proceedings Paper

Improved radiometric calibration techniques for multispectral remote sensing satellite instrumentation
Author(s): Nigel P. Fox
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Paper Abstract

This paper describes a new approach to the calibration of space radiometers, building on developments made to improve primary terrestrial scales. The techniques described here apply to any space radiometer, whether it has imaging capability or not. For the purpose of this paper all space radiometers will be treated as a generic 'space filter radiometer' and may consist of detector arrays or single element detectors,interference filters or gratings, diffusers and imaging optics. The radiometer could also be operating in any part of the optical spectrum (UV, visible, or IR). To accurately determine the true spectral radiance of the Earth by the measurements made at the top of the atmosphere requires a precise knowledge of the radiometric transfer function of the atmosphere or a means of correcting for us using some form of vicarious calibration. This paper will not consider this aspect of calibration, although the techniques may help to improve some areas of vicarious calibration. The paper will instead concentrate on techniques to improve the accuracy of ground calibration of such instruments and on-board reference standards.

Paper Details

Date Published: 24 November 1995
PDF: 10 pages
Proc. SPIE 2585, Remote Sensing for Agriculture, Forestry, and Natural Resources, (24 November 1995); doi: 10.1117/12.227190
Show Author Affiliations
Nigel P. Fox, National Physical Lab. (United Kingdom)


Published in SPIE Proceedings Vol. 2585:
Remote Sensing for Agriculture, Forestry, and Natural Resources
Edwin T. Engman; Gerard Guyot; Carlo M. Marino, Editor(s)

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