Computer Science – Performance
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3498..277r&link_type=abstract
Proc. SPIE Vol. 3498, p. 277-287, Sensors, Systems, and Next-Generation Satellites II, Hiroyuki Fujisada; Ed.
Computer Science
Performance
Scientific paper
Solar diffuser based monitors are the preferred method for on- board calibration for short wavelength regions of Radiometric Earth Remote Sensing instruments where spectral matching and long term stability are paramount. This paper describes an aluminum integrating sphere, with internal photo-diode monitoring, being developed for the on-board short wavelength, (0.32 - 4 micrometer) calibration monitor of the GERB instrument. GERB will image the earth surface from geostationary orbit over a bandwidth of 0.32 - 30 micrometer and is mounted on the Meteosat Second Generation (MSG) spin stabilized satellite resulting in a very rapidly rotating field of view of GERB (100 RPM). The adopted arrangement for the integrating sphere is described and its performance illustrated with supporting test data and optical modeling. Comparisons with the ATSR-2, MS20 flat tile system are made and recommendations for future calibration systems, drawn.
Caldwell Martin E.
Mutlow C. T.
Read Peter D.
Sawyer Eric C.
Smart David
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