On the reduction of three dimensional interferometer measurements

Details On the reduction of three dimensional interferometer measurements On the reduction of three dimensional interferometer measurements

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....84...75f&link_type=abstract

Astronomy and Astrophysics, vol. 84, no. 1-2, Apr. 1980, p. 75-77. Research supported by the Australian Research Grants Committ

Astronomy and Astrophysics

Astrophysics

6

Antenna Radiation Patterns, Radio Interferometers, Sky Brightness, Synthetic Apertures, Autocorrelation, Data Systems, Fourier Transformation, Hardware

Scientific paper

The paper examines the relationship between sky brightness and three-dimensional spatial autocorrelation function measurements in the two dimensional case. It is shown that with a two dimensional array in the W=0 plane, the brightness distribution produced by two dimensional transformation is related to the true brightness by convolution with a fixed antenna pattern. An approach to the inversion of the autocorrelation measurements is developed and the possible application of the 'clean' technique is considered.

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