Reconstruction methods for acoustic particle detection in the deep sea using clusters of hydrophones

Details Reconstruction methods for acoustic particle detection in the deep sea using clusters of hydrophones Reconstruction methods for acoustic particle detection in the deep sea using clusters of hydrophones

2009-06-09

arxiv.org/abs/0906.1718v1

Astroparticle Physics, Volume 31, Issue 1, February 2009, p. 19-23

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

7 pages, 13 figures

Scientific paper

10.1016/j.astropartphys.2008.11.

This article focuses on techniques for acoustic noise reduction, signal filters and source reconstruction. For noise reduction, bandpass filters and cross correlations are found to be efficient and fast ways to improve the signal to noise ratio and identify a possible neutrino-induced acoustic signal. The reconstruction of the position of an acoustic point source in the sea is performed by using small-volume clusters of hydrophones (about 1 cubic meter) for direction reconstruction by a beamforming algorithm. The directional information from a number of such clusters allows for position reconstruction. The algorithms for data filtering, direction and position reconstruction are explained and demonstrated using simulated data.

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