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Signal Processing Challenges for Radio Astronomical Arrays
Current and future radio telescopes, in particular the Square Kilometre Array (SKA), are envisaged to produce large images (> 108 pixels) with over 60 dB dynamic range. This poses a number of image reconstruction and technological challenges, which will require novel approaches to image reconstruction and design of data processing systems. In this paper, we sketch the limitations of current algorithms by extrapolating their computational requirements to future radio telescopes as well as by discussing their imaging limitations. We discuss a number of potential research directions to cope with these challenges.
Wijnholds Stefan, Van der Veen Alle-Jan, De Stefani Filippo, La Rosa Emanuele, Farina Alfonso
Paper for Seminar/Symposium/Conference
ICASSP 2014 - IEEE International Conference on Acoustics, Speech, and Signal Processing (04-09 May 2014, Florence Italy)
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