All-Digital Wideband Space-Frequency Beamforming for the SKA Aperture Array
Vasily A. Khlebnikov, Kristian Zarb-Adami, Richard P. Armstrong,, Michael E. Jones
TL;DR
This paper introduces a novel wideband space-frequency beamforming structure designed for the SKA aperture array, enhancing real-time cosmic signal detection across a broad frequency spectrum.
Contribution
It proposes a new beamforming architecture that optimizes multi-domain real-time processing and beam pattern positioning for large wideband arrays like the SKA.
Findings
Improved detectability of cosmic signals across wide frequency range.
Enhanced beam pattern positioning accuracy.
Real-time processing capability for large array antennas.
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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Taxonomy
TopicsRadio Astronomy Observations and Technology · Antenna Design and Optimization · Direction-of-Arrival Estimation Techniques