Computer Science
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992adspr..12..323f&link_type=abstract
Advances in Space Research (ISSN 0273-1177), vol. 12, no. 7, p. 323-326.
Computer Science
Earth Observations (From Space), Infrared Radiometers, Japanese Spacecraft, Multispectral Photography, Optical Measuring Instruments, Space Station Polar Platforms, High Resolution, Near Infrared Radiation, Radiometric Resolution, Spatial Resolution, Spectral Resolution, Stereoscopic Vision
Scientific paper
The Japanese optical sensor for EOS-A platform is an advanced multispectral imager with a high spatial, spectral, and radiometric resolutions, and tentatively named ITIR. The ITIR consists of three subsystems: a visible and near infrared radiometer (VNIR), a short wave infrared radiometer (SWIR), and a thermal infrared radiometer (TIR). The VNIR has two telescopes necessary to realize the stereoscopic viewing capability. Significant design challenges are realization of the pushbroom-type VNIR sensor with a high spatial resolution of 15 m, the pushbroom-type SWIR sensor with a high spectral resolution, and the whiskbroom-type TIR sensor with high spatial, spectral and radiometric resolutions. The long life mechanical cooler for the SWIR and the TIR sensors are also a component with a technical risk.
Fujisada Hiroyuki
Ono Akira
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