Physics – Optics
Scientific paper
Jul 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983igrs...21..258e&link_type=abstract
(International Geoscience and Remote Sensing Symposium, Munich, West Germany, June 1-4, 1982) IEEE Transactions on Geoscience an
Physics
Optics
Earth Observations (From Space), Earth Resources, Landsat Satellites, Satellite-Borne Instruments, Thematic Mappers (Landsat), Thematic Mapping, Focal Plane Devices, Landsat 4, Remote Sensing, Technology Assessment
Scientific paper
The thematic mapper (TM), a second-generation earth resources sensor developed for NASA's LANDSAT-series spacecraft, was placed in orbit aboard LANDSAT-D in July, 1982. The performance specifications for the TM were formulated to produce performance improvements in the next-generation sensor. The TM acquires data in seven spectral bands covering the visible, near-IR, middle-IR, and thermal-IR regions of the EM spectrum, and comprises a scan mirror, a telescope, a scan line connector, a prime focal plane, relay optics, a cooled focal plane, a radiative cooler, an on-board calibrator, and an electronics module. Attention is given to the system's performance in spectral coverage, radiometric sensitivity, square wave modulation, band-to-band registration, and geometric accuracy.
Engel J. L.
Weinstein Omri
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