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As LIGO and Virgo are upgraded, improving calibration systems to keep pace with the anticipated signal-to-noise enhancements will be challenging. We explore here a calibration method that uses astronomical signals, namely inspiral signals…

General Relativity and Quantum Cosmology · Physics 2020-09-23 B. F. Schutz , B. S. Sathyaprakash

The integration of quantum communication functions often requires dedicated opto-electronic components that do not bode well with the technology roadmaps of telecom systems. We investigate the capability of commercial coherent transceiver…

We investigate a method to assess the validity of gravitational-wave detector calibration through the use of gamma-ray bursts as standard sirens. Such signals, as measured via gravitational-wave observations, provide an estimated luminosity…

Instrumentation and Methods for Astrophysics · Physics 2016-03-23 M. Pitkin , C. Messenger , L. Wright

All-sky searches for generic short-duration astrophysical GW transients are often challenging because of noise transients. Developing novel signal-noise discriminators is crucial for GW transient searches with LIGO Scientific, Virgo, and…

General Relativity and Quantum Cosmology · Physics 2025-09-30 Sayantan Ghosh , Leigh Smith , Jiyoon Sun , Archana Pai , Ik Siong Heng , V. Gayathri

We present a theoretical background for the data analysis of the gravitational-wave signals from spinning neutron stars for Earth-based laser interferometric detectors. We introduce a detailed model of the signal including both the…

General Relativity and Quantum Cosmology · Physics 2009-12-30 Piotr Jaranowski , Andrzej Królak , Bernard F. Schutz

The data taken by the advanced LIGO and Virgo gravitational-wave detectors contains short duration noise transients that limit the significance of astrophysical detections and reduce the duty cycle of the instruments. As the advanced…

Instrumentation and Methods for Astrophysics · Physics 2017-01-25 Jade Powell , Alejandro Torres-Forné , Ryan Lynch , Daniele Trifirò , Elena Cuoco , Marco Cavaglià , Ik Siong Heng , José A. Font

The Heisenberg uncertainty principle gets modified by the introduction of an observer independent minimal length. In this work we have considered the resonant gravitational wave detector in the modified uncertainty principle framework where…

General Relativity and Quantum Cosmology · Physics 2022-09-02 Soham Sen , Sukanta Bhattacharyya , Sunandan Gangopadhyay

Gravitational wave detectors like the Einstein Telescope and LISA generate long multivariate time series, which pose significant challenges in spectral density estimation due to a number of overlapping signals as well as the presence of…

General Relativity and Quantum Cosmology · Physics 2024-09-23 Jianan Liu , Avi Vajpeyi , Renate Meyer , Kamiel Janssens , Jeung Eun Lee , Patricio Maturana-Russel , Nelson Christensen , Yixuan Liu

We present an algorithm for the identification of transient noise artifacts (glitches) in cross-correlation searches for long O(10s) gravitational-wave transients. The algorithm utilizes the auto-power in each detector as a discriminator…

Instrumentation and Methods for Astrophysics · Physics 2013-09-05 Tanner Prestegard , Eric Thrane , Nelson L. Christensen , Michael W. Coughlin , Ben Hubbert , Shivaraj Kandhasamy , Evan MacAyeal , Vuk Mandic

Continuous gravitational waves signals, emitted by asymmetric spinning neutron stars, are among the main targets of current detectors like Advanced LIGO and Virgo. In the case of sources, like pulsars, which rotational parameters are…

General Relativity and Quantum Cosmology · Physics 2017-06-28 S. Mastrogiovanni , P. Astone , S. D'Antonio , S. Frasca , G. Intini , P. Leaci , A. Miller , C. Palomba , O. J. Piccinni , A. Singhal

Many continuous gravitational wave searches are affected by instrumental spectral lines that could be confused with a continuous astrophysical signal. Several techniques have been developed to limit the effect of these lines by penalising…

Instrumentation and Methods for Astrophysics · Physics 2020-10-28 Joseph Bayley , Chris Messenger , Graham Woan

Coherent wide parameter-space searches for continuous gravitational waves are typically limited in sensitivity by their prohibitive computing cost. Therefore semi-coherent methods (such as StackSlide) can often achieve a better sensitivity.…

General Relativity and Quantum Cosmology · Physics 2015-06-03 Reinhard Prix , Miroslav Shaltev

The Laser Interferometer Space Antenna (LISA) will open a rich discovery space in the milli-Hertz gravitational wave band. In addition to the anticipated signals from many millions of binary systems, this band may contain new and previously…

General Relativity and Quantum Cosmology · Physics 2019-01-16 Travis Robson , Neil J. Cornish

In this paper, secure, remote estimation of a linear Gaussian process via observations at multiple sensors is considered. Such a framework is relevant to many cyber-physical systems and internet-of-things applications. Sensors make…

Cryptography and Security · Computer Science 2018-08-01 Arpan Chattopadhyay , Urbashi Mitra

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

A network of gravitational wave detectors is called redundant if, given the direction to a source, the strain induced by a gravitational wave in one or more of the detectors can be fully expressed in terms of the strain induced in others in…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Linqing Wen , Bernard F Schutz

The determination of the physical parameters of gravitational wave events is a fundamental pillar in the analysis of the signals observed by the current ground-based interferometers. Typically, this is done using Bayesian inference…

General Relativity and Quantum Cosmology · Physics 2023-11-07 M. Andrés-Carcasona , M. Martinez , Ll. M. Mir

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

In this work we derive two computationally efficient frequentist detection statistics that can be used in searches for gravitational-wave bursts with memory in pulsar timing data. By maximizing the likelihood ratio in two different ways we…

General Relativity and Quantum Cosmology · Physics 2024-10-29 Jerry P. Sun , Xavier Siemens , Dustin R. Madison

Convolutional Neural Networks (CNNs) have demonstrated potential for the real-time analysis of data from gravitational-wave detector networks for the specific case of signals from coalescing compact-object binaries such as black-hole…

Instrumentation and Methods for Astrophysics · Physics 2026-02-05 Vasileios Skliris , Michael R. K. Norman , Patrick J. Sutton
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