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Gravitational waves (GWs) propagating through the universe can be microlensed by stellar and intermediate-mass objects. Lensing induces frequency-dependent amplification of GWs, which can be computed using \texttt{GLoW}, an accurate code…

宇宙学与河外天体物理 · 物理学 2025-11-12 Marienza Caldarola , Srashti Goyal , Nihar Gupte , Stephen R. Green , Miguel Zumalacárregui

Real-world node embedding applications often contain hundreds of billions of edges with high-dimension node features. Scaling node embedding systems to efficiently support these applications remains a challenging problem. In this paper we…

分布式、并行与集群计算 · 计算机科学 2021-08-19 Wanjing Wei , Yangzihao Wang , Pin Gao , Shijie Sun , Donghai Yu

We describe a hierarchical, highly parallel computer algorithm to perform searches for unknown sources of continuous gravitational waves -- spinning neutron stars in the Galaxy -- over wide areas of the sky and wide frequency bandwidths. We…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Bernard F. Schutz , M. Alessandra Papa

We present a new method for the classification of transient noise signals (or glitches) in advanced gravitational-wave interferometers. The method uses learned dictionaries (a supervised machine learning algorithm) for signal denoising, and…

天体物理仪器与方法 · 物理学 2019-05-22 Miquel Llorens-Monteagudo , Alejandro Torres-Forné , José A. Font , Antonio Marquina

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…

高能天体物理现象 · 物理学 2021-08-27 Shashwat Singh , Amitesh Singh , Ankul Prajapati , Kamlesh N Pathak

The inversion of ring fit parameters to obtain subsurface flow maps in ring-diagram analysis for 8 years of SDO observations is computationally expensive, requiring ~3200 CPU hours. In this paper we apply machine learning techniques to the…

太阳与恒星天体物理 · 物理学 2019-02-06 Rasha Alshehhi , Chris S. Hanson , Laurent Gizon , Shravan Hanasoge

This work presents FG-Net, a general deep learning framework for large-scale point clouds understanding without voxelizations, which achieves accurate and real-time performance with a single NVIDIA GTX 1080 GPU. First, a novel noise and…

计算机视觉与模式识别 · 计算机科学 2021-06-18 Kangcheng Liu , Zhi Gao , Feng Lin , Ben M. Chen

Deep neural networks ( DNNs ) are becoming a key enabling technology for many application domains. However, on-device inference on battery-powered, resource-constrained embedding systems is often infeasible due to prohibitively long…

机器学习 · 计算机科学 2019-11-13 Vicent Sanz Marco , Ben Taylor , Zheng Wang , Yehia Elkhatib

As gravitational wave detectors become more advanced and sensitive, the number of signals recorded by Advanced LIGO and Virgo from merging compact objects is expected to rise dramatically. This surge in detection rates necessitates the…

广义相对论与量子宇宙学 · 物理学 2025-08-05 Chayan Chatterjee , Abigail Petulante , Karan Jani , Jesse Spencer-Smith , Yang Hu , Roy Lau , Haowei Fu , Trang Hoang , Stephen Chong Zhao , Suyash Deshmukh

Electromagnetic (EM) follow-up observations of gravitational wave (GW) events will help shed light on the nature of the sources, and more can be learned if the EM follow-ups can start as soon as the GW event becomes observable. In this…

广义相对论与量子宇宙学 · 物理学 2015-05-30 Jing Luan , Shaun Hooper , Linqing Wen , Yanbei Chen

The gravitational wave sky is starting to become very crowded, with the fourth science run (O4) at LIGO expected to detect $\mathcal{O}(100)$ compact object coalescence signals. Data analysis issues start to arise as we look further…

广义相对论与量子宇宙学 · 物理学 2023-08-15 James Alvey , Uddipta Bhardwaj , Samaya Nissanke , Christoph Weniger

Transient noise glitches in gravitational-wave detector data limit the sensitivity of searches and contaminate detected signals. In this Paper, we show how glitches can be simulated using generative adversarial networks. We produce hundreds…

天体物理仪器与方法 · 物理学 2023-01-25 Jade Powell , Ling Sun , Katinka Gereb , Paul D. Lasky , Markus Dollmann

The first detection of a gravitational-wave signal of a coalescence of two black holes marked the beginning of the era of gravitational-wave astronomy, which opens exciting new possibilities in the fields of astronomy, astrophysics and…

广义相对论与量子宇宙学 · 物理学 2020-07-29 Stefan Grimm , Jan Harms

A data-analysis strategy based on the maximum-likelihood method (MLM) is presented for the detection of gravitational waves from inspiraling compact binaries with a network of laser-interferometric detectors having arbitrary orientations…

广义相对论与量子宇宙学 · 物理学 2009-12-31 Archana Pai , Sanjeev Dhurandhar , Sukanta Bose

GWSkyNet-Multi is a machine learning model developed for classification of candidate gravitational-wave events detected by the LIGO and Virgo observatories. The model uses limited information released in the low-latency Open Public Alerts…

天体物理仪器与方法 · 物理学 2023-08-25 Nayyer Raza , Man Leong Chan , Daryl Haggard , Ashish Mahabal , Jess McIver , Thomas C. Abbott , Eitan Buffaz , Nicholas Vieira

For efficient use of Massive MIMO systems, fast and accurate channel estimation is very important. But the Large-scale antenna array presence requires high pilot overhead for high accuracy of estimation. Also, when used with software-based…

分布式、并行与集群计算 · 计算机科学 2022-06-14 Bhargav Gokalgandhi , Ivan Seskar

Convolutional Neural Networks are extensively used in a wide range of applications, commonly including computer vision tasks like image and video classification, recognition, and segmentation. Recent research results demonstrate that…

信号处理 · 电气工程与系统科学 2020-05-11 Marco Carreras , Gianfranco Deriu , Luigi Raffo , Luca Benini , Paolo Meloni

The new era of gravitational wave astronomy truly began on September 14, 2015 with the detection of GW150914, the sensational first direct observation of gravitational waves from the inspiral and merger of two black holes by the two…

广义相对论与量子宇宙学 · 物理学 2022-04-12 Nelson Christensen , Renate Meyer

The proliferation of the Internet of Things (IoT) and its cutting-edge AI-enabled applications (e.g., autonomous vehicles and smart industries) combine two paradigms: data-driven systems and their deployment on the edge. Usually, edge…

机器学习 · 计算机科学 2025-08-01 Ghazal Sobhani , Md. Monzurul Amin Ifath , Tushar Sharma , Israat Haque

The current and upcoming generations of gravitational wave experiments represent an exciting step forward in terms of detector sensitivity and performance. For example, key upgrades at the LIGO, Virgo and KAGRA facilities will see the next…

广义相对论与量子宇宙学 · 物理学 2024-07-03 Uddipta Bhardwaj , James Alvey , Benjamin Kurt Miller , Samaya Nissanke , Christoph Weniger
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