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2017

Wavelet graphs for the direct detection of gravitational waves

Chassande-Mottin, Eric, Lebigot, Eric, Magaldi, Hugo et al.

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A second generation of gravitational wave detectors will soon come online with the objective of measuring for the first time the tiny gravitational signal from the coalescence of black hole and/or neutron star binaries.

In this communication, we propose a new time-frequency search method alternative to matched filtering techniques that are usually employed to detect this signal.
This method relies on a graph that encodes the time evolution of the signal and its variability by establishing links between coefficients in the multi-scale time-frequency decomposition of the data.
We provide a proof of concept for this approach.

Wavelet graphs for the direct detection of gravitational waves · Around

Built on

Gravitational radiation
K.S. Thorne · 1987
Earlier work this paper cites.
Ten Lectures on Wavelets
I. Daubechies · 1992
Earlier work this paper cites.
Asymptotic wavelet and Gabor analysis : extraction of instantaneous frequencies
N. Delprat et al · 1992
Earlier work this paper cites.

Similar

Constraint likelihood analysis for a network of gravitational wave detectors
S. Klimenko et al · 2005
Cited alongside, same era.
Data analysis challenges in transient gravitational wave astronomy
E. Chassande-Mottin · 2012
Cited alongside, same era.
Transient analysis with fast Wilson-Daubechies time-frequency transform
V. Necula et al · 2012
Cited alongside, same era.

Then

Effect of sine-Gaussian glitches on searches for binary coalescence
T Dal Canton et al · 2014
Later among the works it cites.
Advanced LIGO
J Aasi et al · 2015
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Advanced Virgo : a second-generation interferometric gravitational wave detector
F Acernese et al · 2015
Later among the works it cites.

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