Mathematics – Logic
Scientific paper
Oct 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994jgr....9921173b&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 99, no. E10, p. 21,173-21,181
Mathematics
Logic
1
Digital Techniques, Geological Surveys, Image Processing, Magellan Project (Nasa), Planetary Mapping, Radar Maps, Relief Maps, Venus (Planet), Venus Surface, Mosaics, Radio Altimeters, Radiometers, Stereophotography, Synthetic Aperture Radar, Topography
Scientific paper
The entire surface of the planet Venus is being mapped at global and regional scales (1:50 million through 1:1.5 million) with synthetic aperture radar (SAR), radar altimeter, and radiometer measurements of physical properties from the Magellan spacecraft. The mapping includes SAR image mosaics, shaded relief maps, and topographic contour overlays made from altimetry data and by radargrammetric methods. Methods used include new techniques of radar image processing that became operational as a result of the Magellan mission. Special cartographic support products prepared by the USGS include: synthetic stereograms, color thematic maps of physical properties, digital shaded relief maps from opposite-look SAR, and topographic maps by radargrammetry. The area being mapped (at a resolution of 75 m/pixel) is roughly equivalent to that of Earth, including sea-floors. The mapping is designed to support geologic and geophysical investigations.
Batson Raymond M.
Edwards Kathleen
Kirk Randolph L.
Morgan H. F.
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