Matched filter for multi-transducers resonant GW antennas

Details Matched filter for multi-transducers resonant GW antennas Matched filter for multi-transducers resonant GW antennas

2006-08-17

arxiv.org/abs/gr-qc/0608084v2

Phys.Rev.D74:122003,2006

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages and 4 figures, version accepted for publication in PRD

Scientific paper

10.1103/PhysRevD.74.122003

We analyze two kinds of matched filters for data output of a spherical resonant GW detector. In order to filter the data of a real sphere, a strategy is proposed, firstly using an omnidirectional in-line filter, which is supposed to select periodograms with excitations, secondly by performing a directional filter on such selected periodograms, finding the wave arrival time, direction and polarization. We point out that, as the analytical simplifications occurring in the ideal 6 transducers TIGA sphere do not hold for a real sphere, using a 5 transducers configuration could be a more convenient choice.

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