Aperture synthesis (review)

Details Aperture synthesis (review) Aperture synthesis (review)

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984rpeee....q...3k&link_type=abstract

In its USSR Rept.: Electron. and Elec. Eng. (JPRS-UEE-84-012) p 3 (SEE N85-14991 06-31) Transl. into ENGLISH from Izv. Vyssh.

Astronomy and Astrophysics

Astronomy

Radio Telescopes, Synthetic Apertures, Technology Assessment, Astronomical Maps, Brightness Distribution, Signal Distortion, Very Long Base Interferometry

Scientific paper

The theoretical principles underlying the synthetic-aperture technique are presented with reference to the use of this technique in radio astronomy. Attention is given to image distortion due to the imperfect coverage of the U. V plane; and to the problem of calibration in VLBI. Methods for the reconstruction of the source-brightness distribution in VLBI are examined, including the method of model aproximations, the method of closed phases, the method of closed amplitudes, and the construction of images of line-emitting sources (masers).

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