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Multichannel matched filtering for spherical gravitational wave antennas

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Submitted to Classical and Quantum Gravity. 2009
Description 11 p.
Abstract We study the performance of a multidimensional matched filter as a follow-up module of the coherent method recently developed by two of us for the detection of gravitational wave bursts by spherical resonant detectors. We have tested this strategy on the same set of injections used for the coherent method and found that the matched filter sensibly improves the determination of relevant parameters as the arrival time, amplitude, central frequency and arrival direction of the signal. The matched filter also improves the false alarm rate, reducing it roughly by a factor of 3. The hierarchical structure of the whole analysis pipeline allows to obtain these results without a significant increase of the computation time.
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DA SILVA COSTA, Carlos, FOFFA, Stefano, STURANI, Riccardo. Multichannel matched filtering for spherical gravitational wave antennas. Submitted to: Classical and Quantum Gravity, 2009. https://archive-ouverte.unige.ch/unige:2218

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Deposited on : 2009-07-10

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