Other
Scientific paper
Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987rpeee........7p&link_type=abstract
In its USSR Report: Electronics and Electrical Engineering p 7 (SEE N87-27821 22-31) Transl. into ENGLISH from Izvestiya Vysshik
Other
Cosmic Rays, Mathematical Models, Multistatic Radar, Radio Emission, Signal Reflection, Satellite Imagery, Signal To Noise Ratios, Temperature Measurement
Scientific paper
A radar receiving system can be used to ascertain the correlation function of a radio emission from space and then analyze the parameters of the same signal reflected from the surface of a planet. Information derived from these two measurements reveals the distance between the antenna and the planet surface, the surface layer density, its layered structure and other features. The angular size of the portion of the emission source used for the radar sensing can also be determined as a function of the wavelength and distance to the planet. This in turn enables an analytical correlation determination of the distribution of the emission intensity over the celestial sphere. A mathematical demonstration of the feasibility of this approach is presented. The feasibility depends on the anticipated signal to noise ratio; it is shown that the ratio of the useful signal to noise fluctuations at the correlator output is directly proportional to the ratio of the square of the wavelength to the altitude.
Kucheryavenkov A. I.
Pavelyev Aleksandr G.
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