Reducing False Alarms in Searches for Gravitational Waves from Coalescing Binary Systems
作者： Andres Rodriguez
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摘要: LIGO observatories in Livingston, LA and Hanford, WA may detect gravitational waves emitted from coalescing binary systems composed of two compact objects. In order to coalescence (CBC) events, searches utilize matched filtering techniques. Matched is the optimal detection strategy for stationary, Gaussian noise, however, noise often non-stationary, non-Gaussian. Non-stationary result an excess false candidate commonly known as alarms. This thesis develops r^2 test reduce alarm rate CBC searches. Results search primordial black hole (where each object has less than 1M_solar), LIGO's Third Science Run (S3) also presented. Results are shown several searches, including neutron star Fourth Runs (S3/S4), S3/S4 first three months Fifth (S5). The significantly reduces these while only falsely dismissing a small fraction simulated events.
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harvard.edu参考文章(7)
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