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All-Digital Wideband Space-Frequency Beamforming for the SKA Aperture Array

Published 24 Aug 2010 in astro-ph.IM | (1008.4051v1)

Abstract: In this paper, we consider the problem of optimum multi-domain real-time beamforming and high-precision beam pattern positioning in application to very large wideband array antennas, particularly to the Square Kilometre Array (SKA) aperture array antenna. We present a new structure for wideband space-frequency beamforming and beamsteering that maximizes detectability of cosmic signals over the array operational frequency range.

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