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This paper presents a 1-D convolutional graph neural network for fault detection in microgrids. The combination of 1-D convolutional neural networks (1D-CNN) and graph convolutional networks (GCN) helps extract both spatial-temporal…

Systems and Control · Electrical Eng. & Systems 2022-11-08 Bang L. H. Nguyen , Tuyen Vu , Thai-Thanh Nguyen , Mayank Panwar , Rob Hovsapian

We assess the detectability of a nanohertz gravitational wave (GW) background with respect to additive red and white noise in the timing of millisecond pulsars. We develop detection criteria based on the cross-correlation function summed…

Astrophysics of Galaxies · Physics 2015-05-28 J. M. Cordes , R. M. Shannon

Matched-filtering detection techniques for gravitational-wave (GW) signals in ground-based interferometers rely on having well-modeled templates of the GW emission. Such techniques have been traditionally used in searches for compact binary…

Graph Convolutional Networks (GCNs) and their variants have experienced significant attention and have become the de facto methods for learning graph representations. GCNs derive inspiration primarily from recent deep learning approaches,…

Machine Learning · Computer Science 2019-06-21 Felix Wu , Tianyi Zhang , Amauri Holanda de Souza , Christopher Fifty , Tao Yu , Kilian Q. Weinberger

Gravitational wave astronomy has been already a well-established research domain for many years. Moreover, after the detection by LIGO/Virgo collaboration, in 2017, of the first gravitational wave signal emitted during the collision of a…

Instrumentation and Methods for Astrophysics · Physics 2020-09-15 A. Caramete , A. I. Constantinescu , L. I. Caramete , T. Popescu , R. A. Balasov , D. Felea , M. V. Rusu , P. Stefanescu , O. M. Tintareanu

We present a convolutional neural network that is capable of searching for continuous gravitational waves, quasi-monochromatic, persistent signals arising from asymmetrically rotating neutron stars, in $\sim 1$ year of simulated data that…

General Relativity and Quantum Cosmology · Physics 2022-07-27 Takahiro S. Yamamoto , Andrew L. Miller , Magdalena Sieniawska , Takahiro Tanaka

We introduce the use of conditional generative adversarial networks forgeneralised gravitational wave burst generation in the time domain.Generativeadversarial networks are generative machine learning models that produce new databased on…

Instrumentation and Methods for Astrophysics · Physics 2021-08-11 J. McGinn , C. Messenger , I. S. Heng , M. J. Williams

This is a follow-up sensitivity study on r-mode gravitational wave signals from newborn neutron stars illustrating the applicability of machine learning algorithms for the detection of long-lived gravitational-wave transients. In this…

Instrumentation and Methods for Astrophysics · Physics 2019-01-23 Antonis Mytidis , Athanasios Aris Panagopoulos , Orestis P. Panagopoulos , Andrew Miller , Bernard Whiting

In this study, we employ a convolutional neural network to classify gravitational waves originating from core-collapse supernovae. Training is conducted using spectrograms derived from three-dimensional numerical simulations of waveforms,…

Instrumentation and Methods for Astrophysics · Physics 2023-12-21 Seiya Sasaoka , Naoki Koyama , Diego Dominguez , Yusuke Sakai , Kentaro Somiya , Yuto Omae , Hirotaka Takahashi

Gravitational waves from binary neutron star inspirals have been detected along with the electromagnetic transients coming from the aftermath of the merger in GW170817. However, much is still unknown about the post-merger dynamics that…

General Relativity and Quantum Cosmology · Physics 2021-03-03 Teng Zhang , Jiří Smetana , Yikang Chen , Joe Bentley , William E. East , Denis Martynov , Haixing Miao , Huan Yang

Seismic intensity prediction from early or initial seismic waves received by a few seismic stations can enhance Earthquake Early Warning (EEW) systems, particularly in ground motion-based approaches like PLUM. While many operational EEW…

Signal Processing · Electrical Eng. & Systems 2024-04-01 Rafid Umayer Murshed , Kazi Noshin , Md. Anu Zakaria , Md. Forkan Uddin , A. F. M. Saiful Amin , Mohammed Eunus Ali

Detection of gravitational waves (GW) from compact binary mergers provide a new window into multi-messenger astrophysics. The standard technique to determine the merger parameters is matched filtering, consisting in comparing the signal to…

General Relativity and Quantum Cosmology · Physics 2020-10-28 Juan Pablo Marulanda , Camilo Santa , Antonio Enea Romano

In this work, we investigate the value of employing deep learning for the task of wireless signal modulation recognition. Recently in [1], a framework has been introduced by generating a dataset using GNU radio that mimics the imperfections…

Machine Learning · Computer Science 2018-01-08 Xiaoyu Liu , Diyu Yang , Aly El Gamal

Recent multi-dimensional (multi-D) core-collapse supernova (CCSN) simulations characterize gravitational waves (GWs) and neutrino signals, offering insight into universal properties of CCSN independent of progenitor. Neutrino analysis in…

High Energy Astrophysical Phenomena · Physics 2023-09-04 Hiroki Nagakura , David Vartanyan

We present several filtering methods which can be used as triggers for the detection of gravitational wave bursts in interferometric detectors. All the methods are compared to matched filtering with the help of a figure of merit based on…

General Relativity and Quantum Cosmology · Physics 2007-05-23 N. Arnaud , F. Cavalier , M. Davier , P. Hello , T. Pradier

Full-waveform inversion problems are usually formulated as optimization problems, where the forward-wave propagation operator $f$ maps the subsurface velocity structures to seismic signals. The existing computational methods for solving…

Signal Processing · Electrical Eng. & Systems 2020-01-07 Yue Wu , Youzuo Lin

Searches for gravitational-wave bursts (transient signals, typically of unknown waveform) require identification of weak signals in background detector noise. The sensitivity of such searches is often critically limited by non-Gaussian…

General Relativity and Quantum Cosmology · Physics 2013-10-02 Thomas S. Adams , Duncan Meacher , James Clark , Patrick J. Sutton , Gareth Jones , Ariana Minot

In recent years, improvements in Deep Learning (DL) techniques towards Gravitational Wave (GW) astronomy have led to a significant rise in the development of various classification algorithms that have been successfully employed to extract…

High Energy Astrophysical Phenomena · Physics 2021-08-27 Shashwat Singh , Amitesh Singh , Ankul Prajapati , Kamlesh N Pathak

Gravitational waves (GW), predicted by Einstein's General Theory of Relativity, provide a powerful probe of astrophysical phenomena and fundamental physics. In this work, we propose an unsupervised anomaly detection method using variational…

General Relativity and Quantum Cosmology · Physics 2024-12-17 Ammar Fayad

We investigate the detectability of Gravitational Wave (GW) modes (emitted by black-holes and neutron stars) by third generation, ground-based gravitational wave detectors planned to be operational in the next decade. Our analysis focuses…

General Relativity and Quantum Cosmology · Physics 2026-04-16 Massimo Tinto , Sanjeev Dhurandhar , Harshit Raj
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