Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987kosis..25..243s&link_type=abstract
Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 25, Mar.-Apr. 1987, p. 243-250. In Russian.
Astronomy and Astrophysics
Astronomy
2
Coherent Electromagnetic Radiation, Plasma-Electromagnetic Interaction, Radio Frequencies, Radio Signals, Solar Wind, Spaceborne Astronomy, Plasma Turbulence, Radio Scattering, Venera Satellites
Scientific paper
Frequency-difference flutuations of coherent radio signals (32 and 8 cm) scattered by the circumsolar plasma were measured by dispersion interferometry during May-July 1984. Standard deviations of the fluctuations decrease with increasing averaging time according to a power law and increase with approach to the sun as R exp -1.9. A regular shift of the frequency difference due to the motion of the radio beam with respect to the sun was observed. The spatial spectrum of plasma turbulence was close to the Kolmogoroff-Obukhov spectrum for frequencies between 0.004 and 0.2 Hz.
Azarkh S. L.
Gavrik Anatoly L.
Laptev N. V.
Savich N. A.
Vyshlov A. S.
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