Mathematics
Scientific paper
May 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986em%26p...35...47w&link_type=abstract
Earth, Moon, and Planets (ISSN 0167-9295), vol. 35, May 1986, p. 47-54.
Mathematics
Computer Aided Mapping, Planetary Mapping, Radar Maps, Stereophotography, Venus Orbiting Imaging Radar (Spacecraft), Venus Surface, Brightness Distribution, Hardware, Imaging Techniques, Mathematical Models, Technology Utilization, Topography
Scientific paper
The possibility of adapting existing human/computer hybrid hardware that form topographic maps through stereophotogrammetric models to radar images is examined. The analysis models a stripcamera flown parallel to the radar azimuthal direction, and has application to the Mission plan of the Venus Radar Mapper, with a worst case radar resolution estimated to be 75-100 m. The radar image perspective is found to mimic the photographic image obtained with a suitably positioned camera, providing that the characteristic relief subtends to a very small angle at the radar and at the fictitious camera, and that the photogrammetric model parameters are determined a priori. The ordinary stereo convergence points for radar images are treated as orthographic projections rather than wide-field optical images.
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