Roughness of surface of Venus from bistatic radar data

Details Roughness of surface of Venus from bistatic radar data Roughness of surface of Venus from bistatic radar data

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984rpspr...6...81m&link_type=abstract

In its USSR Rept.: Space (JPRS-USP-84-003) p 81 (SEE N84-28823 19-12) Transl. into ENGLISH from Kosmich. Issled. (USSR), v. 2

Statistics

Methodology

Multistatic Radar, Radar Imagery, Surface Roughness, U.S.S.R. Space Program, Venus Surface, Data Recording, Signal Reflection, Slopes, Venera 10 Satellite

Scientific paper

Results are presented from a determination of roughness on the surface of Venus in two regions at approximately 26.2 deg latitude 214.2 deg longitude and 26.3 deg latitude and 222.0 deg longitude using data from a bistatic radar installed on the Venera-10 probe. Practical difficulties in recording the data are discussed and the methodology for determining roughness values is shown. Analysis of experimental results shows that within the regions studied the roughness of the relief as characterized by the root-mean-square of the angle of slope (gamma) and a parameter characterizing the roughness of the dispersed surface (S) was slight. This is confirmed by the existence of a coherent component in the reflected radar signal. It is calculated from measurements of the strength of the coherent component that dispersion of random unevenness does not exceed 20-30 centimeters in height, with a horizontal spread of 30 to 300 meters. The results obtained indicate the effectiveness of using bistatic radar to study planetary reliefs.

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