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Poster communications

Limitations of the time slide method of background estimation

Abstract : Time shifting the output of gravitational wave detectors operating in coincidence is a convenient way of estimating the background in a search for short-duration signals. In this paper, we show how non-stationary data affect the background estimation precision. We present a method of measuring the fluctuations of the data and computing its effects on a coincident search. In particular, we show that for fluctuations of moderate amplitude, time slides larger than the fluctuation time scales can be used. We also recall how the false alarm variance saturates with the number of time shifts.
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Submitted on : Tuesday, July 6, 2010 - 3:34:38 PM
Last modification on : Thursday, December 3, 2020 - 8:08:06 PM

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M. Was, M.-A. Bizouard, V. Brisson, F. Cavalier, M. Davier, et al.. Limitations of the time slide method of background estimation. F. Ricci. 14th Gravitational Wave Data Analysis Workshop (GWDAW-14), Jan 2010, Roma, Italy. IOP Publishing, 27, pp.194014, 2010, ⟨10.1088/0264-9381/27/19/194014⟩. ⟨in2p3-00498083⟩



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