Simulations of astronomical imaging phased arrays

Details Simulations of astronomical imaging phased arrays Simulations of astronomical imaging phased arrays

2007-09-04

arxiv.org/abs/0709.0461v1

Astronomy and Astrophysics

Astrophysics

16 pages, 26 figures, submitted to Journal of the Optical Society of America A

Scientific paper

10.1364/JOSAA.25.000958

We describe a theoretical procedure for analyzing astronomical phased arrays with overlapping beams, and apply the procedure to simulate a simple example. We demonstrate the effect of overlapping beams on the number of degrees of freedom of the array, and on the ability of the array to recover a source. We show that the best images are obtained using overlapping beams, contrary to common practise, and show how the dynamic range of a phased array directly affects the image quality.

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