20 July 2016 A real-time KLT implementation for radio-SETI applications
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Abstract
SETI, the Search for ExtraTerrestrial Intelligence, is the search for radio signals emitted by alien civilizations living in the Galaxy. Narrow-band FFT-based approaches have been preferred in SETI, since their computation time only grows like N*lnN, where N is the number of time samples. On the contrary, a wide-band approach based on the Kahrunen-Lo`eve Transform (KLT) algorithm would be preferable, but it would scale like N*N. In this paper, we describe a hardware-software infrastructure based on FPGA boards and GPU-based PCs that circumvents this computation-time problem allowing for a real-time KLT.
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Andrea Melis, Andrea Melis, Raimondo Concu, Raimondo Concu, Pierpaolo Pari, Pierpaolo Pari, Claudio Maccone, Claudio Maccone, Stelio Montebugnoli, Stelio Montebugnoli, Andrea Possenti, Andrea Possenti, Giuseppe Valente, Giuseppe Valente, Nicoló Antonietti, Nicoló Antonietti, Delphine Perrodin, Delphine Perrodin, Carlo Migoni, Carlo Migoni, Matteo Murgia, Matteo Murgia, Alessio Trois, Alessio Trois, Massimo Barbaro, Massimo Barbaro, Alessandro Bocchinu, Alessandro Bocchinu, Silvia Casu, Silvia Casu, Maria Ilaria Lunesu, Maria Ilaria Lunesu, Jader Monari, Jader Monari, Alessandro Navarrini, Alessandro Navarrini, Tonino Pisanu, Tonino Pisanu, Francesco Schilliró, Francesco Schilliró, Valentina Vacca, Valentina Vacca, } "A real-time KLT implementation for radio-SETI applications", Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 99143D (20 July 2016); doi: 10.1117/12.2232347; https://doi.org/10.1117/12.2232347
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