Computer Science
Scientific paper
Oct 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cqgra..21s1793v&link_type=abstract
Classical and Quantum Gravity, Volume 21, Issue 20, pp. S1793-S1800 (2004).
Computer Science
Scientific paper
We compare a few different strategies for operating a network of interferometric detectors, using as a case study the search for coalescing binaries events with definite intrinsic parameters but unknown source direction and polarization. The strategies considered include the fully coherent one and the detection in twofold or threefold coincidence. Although in Gaussian stationary noise the coherent strategy is optimal, we find that if the SNR available to the network is larger than about 7 the coincidence strategies are competitive. Further we show that a preselection of the events performed on the single detectors may allow us to perform the coherent analysis only over a manageable subset of the data; the preselection introduces a loss in the detection efficiency, which appears to be negligible for those events having a network SNR larger than 6.
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