Einstein Telescope: Detection of Binary Black Hole Gravitational Wave Signals Using Deep Learning
arXiv (Cornell University)(2023)
摘要
Expanding upon our prior work (Alhassan et al. 2022), where we evaluated the
performance of single sub-detector data (SSDD) from the Einstein Telescope (ET)
for binary black hole (BBH) detection using deep learning (DL). In this study,
we explore the detection efficiency of BBHs using data combined from all three
proposed sub-detectors of ET (TSDCD), employing five different lower frequency
cutoffs (F_low): 5 Hz, 10 Hz, 15 Hz, 20 Hz, and 30 Hz, while
maintaining the same match-filter Signal-to-Noise Ratio (MSNR) ranges as in
our previous work: 4-5, 5-6, 6-7, 7-8, and >8. The Deep Residual Neural Network
model (ResNet) was trained and evaluated for the detection of BBH gravitational
wave signals using both TSDCD and SSDD. Compared to SSDD, the detection
accuracy from TSDCD has shown substantial improvements, increasing from 60%,
60.5%, 84.5%, 94.5% to 78.5%, 84%, 99.5%, 100%, and
100% for sources with MSNR of 4-5, 5-6, 6-7, 7-8, and >8, respectively. In
a qualitative evaluation, the ResNet model detected sources at 86.601 Gpc, with
an averaged MSNR of 3.9 (averaged across the three sub-detectors) and a chirp
mass of 13.632 at 5 Hz. The results demonstrate a notable accuracy improvement
for lower MSNR ranges (4-5, 5-6, 6-7) by 18.5%, 24.5%, and 13%,
respectively, and by 5.5% and 1.5% for higher MSNR ranges (7-8 and >8).
TSDCD proves suitable for near-real-time detection and can benefit from a more
powerful setup.
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关键词
gravitational wave signals
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