Mathematics – Logic
Scientific paper
Jul 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.509e..75e&link_type=abstract
In: Proceedings of DASIA 2002, 13 - 16 May 2002, Dublin, Ireland. Ed.: R. A. Harris. ESA SP-509, Noordwijk, Netherlands: ESA Pub
Mathematics
Logic
Space Research: Computing, Software
Scientific paper
For the European Mars Express mission the High Resolution Stereo Scanner (HRSC) has been selected as part of the orbiter payload. HRSC is a pushbroom scanning camera with 9 CCD line detectors mounted in parallel on the focal plane of the instrument. Its unique feature is the ability to obtain nearly simultaneously imaging data of a specific site at high resolution, with along-track triple stereo, with four colors, and at five different phase angles, thus avoiding any time-dependent variations of the observation conditions. An additional model of HRSC is currently in use as digital airborne multispectral stereo scanner for photogrammetric, and general remote sensing applications with high photogrammetric accuracy (15-20 cm) and very high spatial resolution (10 cm from 2500 m flight altitude). An additional Super-Resolution Channel (HRSC-SRC)- a framing device- will yield nested-in images in the meter range serving as the sharpening eye for detailed photogeologic studies. The spatial resolution from the nominal periapsis altitude of 250 km will be 10 m/pixel with an image swath of 53 km for the HRSC and 2.3 m/pixel for the HRSC-SRC. During the nominal operational lifetime of the mission of 1 Martian year (two Earth years) and assuming an average HRSC data transfer share of 40%, it will be possible to cover at least 50% of the Martian surface at a spatial resolution of about 15 m/pixel. More than 70% of the Martian surface can be observed at a spatial resolution of about 30 m/pixel while 1% of the surface will be imaged at better than 2.5 m/pixel.
Brunet Camille
Edwards Emily E.
Hartman Lee
Lamorie J.
Younghusband D.
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