Problem footprints in Magellan altimetry data

Details Problem footprints in Magellan altimetry data Problem footprints in Magellan altimetry data

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992lpico.789...90p&link_type=abstract

In Lunar and Planetary Inst., Papers Presented to the International Colloquium on Venus p 90-92 (SEE N93-14288 04-91)

Mathematics

Logic

Altimetry, Backscattering, Footprints, Geology, Radar Scattering, Reflectance, Venus Surface, Algorithms, Frequencies, Radar Echoes, Radii, Scattering Functions

Scientific paper

The intensity, time-delay, and frequency content of radar echoes from the Magellan altimetry system are reduced to several parameters that are of great use in addressing many geological issues of the surface of Venus. These parameters include planetary radius, power reflection coefficient (reflectivity, both uncorrected and corrected for diffuse scattering), rms slope, and scattering functions (the behavior of backscatter as a function of incidence angle). Because the surface of Venus often reflects radio energy in unpredictable ways, models of radar scattering and their associated algorithms occasionally fail to accurately solve for the above surface parameters. Methods for identifying possible 'problem' altimetry data footprints, and techniques for resolving some key ambiguities are presented.

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