Physics
Scientific paper
Sep 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978kosis..16..720p&link_type=abstract
Kosmicheskie Issledovaniia, vol. 16, Sept.-Oct. 1978, p. 720-729. In Russian.
Physics
Planetary Surfaces, Radar Scanning, Radar Scattering, Surface Roughness Effects, Doppler Effect, Lunik 19 Lunar Probe, Lunik 22 Lunar Probe, Random Processes, Reflected Waves
Scientific paper
In the present paper, the characteristics describing the mean-power distribution of a signal scattered by surface roughnesses are studied for the case of a satellite-borne transmitter and a ground-based receiver. The theoretical distributions are obtained on the basis of random roughness models proposed by Hagfors (1964) and by Jurgens (1970), which are particularly well suited for the purpose under consideration. It is shown that data obtained with Luna 19 and Luna 22 correlate better with the characteristics obtained with these models than with characteristics from a model with a Gaussian distribution of roughness heights and slopes. The Doppler spectra of the reflected signals are plotted for some crater-containing areas on the moon.
Kaevitser V. I.
Kucheriavenkov A. I.
Pavelev A. G.
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