Computer Science – Performance
Scientific paper
Sep 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984rpeee.......11d&link_type=abstract
In its USSR Rept.: Electron. and Elec. Eng. (JPRS-UEE-84-012) p 11 (SEE N85-14991 06-31) Transl. into ENGLISH from Izv. Vyssh.
Computer Science
Performance
Radio Interferometers, Resolution, Accuracy, Planetary Surfaces, Sensitivity, Signal To Noise Ratios
Scientific paper
The performance of a correlational interferometer for study of radio-contrast formation of the surface of Earth and other planets is analyzed, considering that such an interferometer must be mounted on an aircraft or spacecraft with its fixed-length baseline parallel, at least approximately, to the vector of the course velocity. The geometrical relations for such an instrument, in effect a lateral-scan interferometer performing aperture synthesis, are formulated in a cylindrical system of coordinates and a point source is assumed. Calculations yield the synthesization diagram representing the indeterminacy function as well as the accuracy in terms of resolution and sensitivity, with K = the square root of (2 pi lambda L)/1 (X - wavelength, L = baseline length, 1 = antenna aperture along given coordinate) as a parameter and taking into account the signal-to-noise ratio.
Dubinskiy B. A.
Kuz'min S. O.
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