Hexagonal arrays for radio interferometers

A method for arranging the interferometer elements in nodes of a regular hexagonal coordinate net that provides a nonredundant coverage of a spatial-frequency domain of hexagonal shape is considered. The procedure of synthesizing such arrays based on the use of cyclic difference sets is described. T...

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Bibliographic Details
Published in:Astronomy and astrophysics (Berlin) 2002-09, Vol.392 (3), p.1149-1152
Main Authors: Sodin, L. G., Kopilovich, L. E.
Format: Article
Language:English
Subjects:
instrumentation: interferometers
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Summary:A method for arranging the interferometer elements in nodes of a regular hexagonal coordinate net that provides a nonredundant coverage of a spatial-frequency domain of hexagonal shape is considered. The procedure of synthesizing such arrays based on the use of cyclic difference sets is described. The basic characteristics of the synthesized beam (the beamwidth and sidelobe level) are investigated.
ISSN:0004-6361
1432-0746
DOI:10.1051/0004-6361:20020971