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

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          Abstract

          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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          Author and article information

          Journal
          2009-10-15
          2010-01-12
          Article
          0910.2865

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

          Custom metadata
          4 pages, 6 figures
          astro-ph.IM

          Instrumentation & Methods for astrophysics

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