Computer Science – Sound
Scientific paper
Aug 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp1240...51p&link_type=abstract
In: Mars Express: the scientific payload. Ed. by Andrew Wilson, scientific coordination: Agustin Chicarro. ESA SP-1240, Noordwij
Computer Science
Sound
12
Mars Express, Marsis, Radar Observations
Scientific paper
This paper describes the science background, design principles and the expected performance of the Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS), developed by a team of Italian and US researchers and industrial partners to fly on the ESA Mars Express orbiter. The unique capability of sounding the martian environment with coherent trains of long-wavelength wide-band pulses, together with extensive onboard processing, will allow the collection of a large amount of significant data about the subsurface, surface and ionosphere. Analysis of these data will allow the detection and 3-D mapping of subsurface structures down to several kilometres below the surface, the estimation of large-scale topography, roughness and reflectivity of the surface at wavelengths never used before, and the production of global and high-resolution profiles of the ionospheric electron density (day and night). Finally, the MARSIS frequency-agile design allow the sounding parameters to be tuned in response to changes in solar illumination conditions, the latitude and other factors, allowing global coverage to be achieved within the Mars Express baseline orbit and mission duration.
Biccari Daniela
Bombaci Ornella
Calabrese Diego
Gurnett Donald A.
Huff Robert
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