On the background estimation by time slides in a network of gravitational wave detectors
Time shifting the outputs of gravitational wave detectors operating in coincidence is a convenient way to estimate the background in a search for short-duration signals. However, this procedure is limited as increasing indefinitely the number of time shifts does not provide better estimates. We show...
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| Veröffentlicht in: | Classical and quantum gravity 2010-01, Vol.27 (1), p.015005-015005 (12) |
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| container_title | Classical and quantum gravity |
| container_volume | 27 |
| creator | Wąs, Michał Bizouard, Marie-Anne Brisson, Violette Cavalier, Fabien Davier, Michel Hello, Patrice Leroy, Nicolas Robinet, Florent Vavoulidis, Miltiadis |
| description | Time shifting the outputs of gravitational wave detectors operating in coincidence is a convenient way to estimate the background in a search for short-duration signals. However, this procedure is limited as increasing indefinitely the number of time shifts does not provide better estimates. We show that the false alarm rate estimation error saturates with the number of time shifts. In particular, for detectors with very different trigger rates, this error saturates at a large value. Explicit computations are done for two detectors, and for three detectors where the detection statistic relies on the logical 'OR' of the coincidences of the three couples in the network. |
| doi_str_mv | 10.1088/0264-9381/27/1/015005 |
| format | Article |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Exact sciences and technology General relativity and gravitation General Relativity and Quantum Cosmology Physics |
| title | On the background estimation by time slides in a network of gravitational wave detectors |
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