A Wideband, Four-Element, All-Digital Beamforming System for Dense Aperture Arrays in Radio Astronomy

Details A Wideband, Four-Element, All-Digital Beamforming System for Dense Aperture Arrays in Radio Astronomy A Wideband, Four-Element, All-Digital Beamforming System for Dense Aperture Arrays in Radio Astronomy

2009-10-15

arxiv.org/abs/0910.2865v3

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

4 pages, 6 figures

Scientific paper

Densely-packed, all-digital aperture arrays form a key area of technology development required for the Square Kilometre Array (SKA) radio telescope. The design of real-time signal processing systems for digital aperture arrays is currently a central challenge in pathfinder projects worldwide. We describe interim results of such work; an heirarchical, frequency-domain beamforming architecture for synthesising a sky beam from the wideband antenna feeds of digital aperture arrays.

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