Physics
Scientific paper
Jul 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976kosis..14..616l&link_type=abstract
(COSPAR, Plenary Meeting, 18th, Varna, Bulgaria, May 29-June 7, 1975.) Kosmicheskie Issledovaniia, vol. 14, July-Aug. 1976, p. 6
Physics
Deep Space Network, Planetary Atmospheres, Radio Transmission, Spacecraft Communication, Mariner 5 Space Probe, Mars Atmosphere, Radio Wave Refraction, Venus Atmosphere, Wave Diffraction
Scientific paper
An asymptotic representation of the field through space on the far side of a planet in transmission of radio waves through the space (in the vicinity of caustics, cusp points, focal axis) is constructed, and the radial and phase structure of the field is investigated, with determinations of zones crisscrossed by a multiplicity of rays. Numerical results on the refraction angle, ray structure, and positions of caustics are cited for real models of the Mars and Venus atmospheres. The field intensities of the forward and reflected waves are calculated for radio transmission through the atmosphere of Venus. Mariner-5 amplitude measurements are reinterpreted. Introduction of strong absorbers to unify amplitude measurements in the cm and dm ranges is shown to be superfluous.
Lukin D. S.
Martianov A. S.
Shkolnikov V. A.
Spiridonov Iu. G.
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