Data Analysis of Gravitational Waves Using A Network of Detectors

Details Data Analysis of Gravitational Waves Using A Network of Detectors Data Analysis of Gravitational Waves Using A Network of Detectors

2007-02-16

arxiv.org/abs/gr-qc/0702096v2

Int.J.Mod.Phys.D17:1095-1104,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

to appear in IJMPD, 2007, for the ASTROD meeting, July, 2006, Beijing. Minor changes with new references added to sec. 3.1

Scientific paper

10.1142/S0218271808012723

Several large-scale gravitational wave (GW) interferometers have achieved long term operation at design sensitivity. Questions arise on how to best combine all available data from detectors of different sensitivities for detection, consistency check or veto, localization and waveform extraction. We show that these problems can be formulated using the singular value decomposition (SVD) method. We present techniques based on the SVD method for (1) detection statistic, (2) stable solutions to waveforms, (3) null-stream construction for an arbitrary number of detectors, and (4) source localization for GWs of unknown waveforms.

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