Some new possibilities of optimum synthetic linear arrays for radioastronomy

Details Some new possibilities of optimum synthetic linear arrays for radioastronomy Some new possibilities of optimum synthetic linear arrays for radioastronomy

Jul 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975a%26a....41..409b&link_type=abstract

Astronomy and Astrophysics, vol. 41, no. 3-4, July 1975, p. 409-411.

Astronomy and Astrophysics

Astronomy

1

Linear Arrays, Radio Telescopes, Interferometers, Optimal Control, Perturbation Theory, Radio Astronomy, Systems Engineering

Scientific paper

This paper presents a limited study of optimum and quasi-optimum synthetic linear arrays for radio astronomy. An optimum array is defined as one in which the set of spacings between its antennas comprises once and only once all multiples of a given increment, generally a fraction of the diameter of the antennas. It is noted that the first, and sometimes the second, multiple is usually not attainable due to overlapping and shadowing of the antennas. It is shown that an array conprising five successive configurations of four antennas, providing 30 spacings, is optimum. Optimum solutions are given for the cases where the spacings are multiples from 2 through 31 and from 3 through 32. Larger arrays are investigated using a perturbation technique.

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