John T Whelan et al 2005 Class. Quantum Grav. 22 S1087 doi:10.1088/0264-9381/22/18/S23
John T Whelan1, Sukanta Bose2, Jonathan Hanson3, Ik Siong Heng4, Warren W Johnson3, Martin P McHugh1 and Peter Zhang3
Show affiliationsWe describe the cross-correlation measurements being carried out on data from the LIGO Livingston Observatory and the ALLEGRO resonant bar detector. The LIGO data are sampled at 16 384 Hz while the ALLEGRO data are base-banded, i.e., heterodyned at 899 Hz and then sampled at 250 Hz. We handle these different sampling parameters by working in the Fourier domain, and demonstrate the approximate equivalence of this measurement to a hypothetical time-domain method in which both data streams are upsampled.
04.80.Nn Gravitational wave detectors and experiments
07.05.Kf Data analysis: algorithms and implementation; data management
Issue 18 (21 September 2005)
Received 4 April 2005, in final form 6 June 2005
Published 6 September 2005
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