With the advent of the new class of radio telescopes as for example the LOw Frequency ARray (LOFAR) and the Square Kilometer Array (SKA) the necessity of using data mining procedures to handle the huge amount of data collected during their observations became crucial. Software design has resulted in a complete shift of methods by which information is collected in the radio frequency domain. Pointing with the array is achieved by digital processing of signals collected by simple omni-directional antennas, that is, purely in software. This technique also enables the collecting elements to be spread over an area of hundreds and thousands of square kilometers, in order to map the radio sky with high angular resolution. The large area network also provides the infrastructure for sensor networks with applications in other fields. With the data transport requirements of Tbits/s and processing power needs of TFlops/s this new arrays represent a real challenge for computing and existing technology. This raised the interests and stimulated the discussion between scientists and engineers. Here we will provide an overview of the current radio astronomical facilities and those planned for the future to highlight their requirements and their performances.

Data mining in modern radio astronomy / Massaro, F.; Allegretti, Marco; Ferrari, A.. - ELETTRONICO. - (2017), pp. 15-16. (Intervento presentato al convegno 2017 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) tenutosi a Verona (ITA) nel 11-15 September 2017) [10.1109/APWC.2017.8062228].

Data mining in modern radio astronomy

ALLEGRETTI, MARCO;
2017

Abstract

With the advent of the new class of radio telescopes as for example the LOw Frequency ARray (LOFAR) and the Square Kilometer Array (SKA) the necessity of using data mining procedures to handle the huge amount of data collected during their observations became crucial. Software design has resulted in a complete shift of methods by which information is collected in the radio frequency domain. Pointing with the array is achieved by digital processing of signals collected by simple omni-directional antennas, that is, purely in software. This technique also enables the collecting elements to be spread over an area of hundreds and thousands of square kilometers, in order to map the radio sky with high angular resolution. The large area network also provides the infrastructure for sensor networks with applications in other fields. With the data transport requirements of Tbits/s and processing power needs of TFlops/s this new arrays represent a real challenge for computing and existing technology. This raised the interests and stimulated the discussion between scientists and engineers. Here we will provide an overview of the current radio astronomical facilities and those planned for the future to highlight their requirements and their performances.
2017
978-1-5090-4454-2
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2689195
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