chi sup 2_ testing of optimal filters for gravitational wave signals: An experimental implementation

Details chi sup 2_ testing of optimal filters for gravitational wave signals: An experimental implementation chi sup 2_ testing of optimal filters for gravitational wave signals: An experimental implementation

2000-01-10

arxiv.org/abs/astro-ph/0001148v1

Phys.Rev. D61 (2000) 102001

Astronomy and Astrophysics

Astrophysics

20 pages, 7 figures

Scientific paper

10.1103/PhysRevD.61.102001

We have implemented likelihood testing of the performance of an optimal filter within the online analysis of AURIGA, a sub-Kelvin resonant-bar gravitational wave detector. We demonstrate the effectiveness of this technique in discriminating between impulsive mechanical excitations of the resonant-bar and other spurious excitations. This technique also ensures the accuracy of the estimated parameters such as the signal-to-noise ratio. The efficiency of the technique to deal with non-stationary noise and its application to data from a network of detectors are also discussed.

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