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A resonant guided wave network (RGWN) is an approach to optical materials design in which power propagation in guided wave circuits enables material dispersion. The RGWN design, which consists of power-splitting elements arranged at the…

光学 · 物理学 2015-05-14 Eyal Feigenbaum , Harry A. Atwater

Pulsar glitches are a potential source of gravitational waves for current and future interferometric gravitational wave detectors. Some pulsar glitch events were observed by radio and X-ray telescopes during the fifth LIGO science run. It…

广义相对论与量子宇宙学 · 物理学 2008-11-26 Kazuhiro Hayama , Shantanu Desai , Soumya D. Mohanty , Malik Rakhmanov , Tiffany Summerscales , Sanichiro Yoshida

We study on dynamics of high-order rogue wave in two-component coupled nonlinear Schr\"{o}dinger equations. We find four fundamental rogue waves can emerge for second-order vector RW in the coupled system, in contrast to the high-order ones…

斑图形成与孤子 · 物理学 2015-01-26 Liming Ling , Boling Guo , Li-Chen Zhao

Models of gravitational waveforms play a critical role in detecting and characterizing the gravitational waves (GWs) from compact binary coalescences. Waveforms from numerical relativity (NR), while highly accurate, are too computationally…

高能天体物理现象 · 物理学 2018-01-03 Zoheyr Doctor , Ben Farr , Daniel E. Holz , Michael Pürrer

To deploy and operate deep neural models in production, the quality of their predictions, which might be contaminated benignly or manipulated maliciously by input distributional deviations, must be monitored and assessed. Specifically, we…

计算机视觉与模式识别 · 计算机科学 2023-06-09 Guy Bar-Shalom , Yonatan Geifman , Ran El-Yaniv

Gravitational wave lensing, particularly microlensing by compact dark matter (DM), offers a unique avenue to probe the nature of dark matter. However, conventional detection methods are often computationally expensive, inefficient, and…

天体物理仪器与方法 · 物理学 2025-09-08 Ao Liu , Tonghua Liu , Dejiang Li , Cuihong Wen , Jieci Wang , Kai Liao , Jiaxing Cui , Huan Zhou

We study rogue wave excitation dynamics on a double-plane wave background through deriving rogue wave solution on the background. The results indicate that rogue wave still can be excited successfully from resonant perturbations with the…

斑图形成与孤子 · 物理学 2017-10-06 Li-Chen Zhao , Liang Duan , Peng Gao , Zhan-Ying Yang

We examine the potential for using the LIGO-Virgo-KAGRA network of gravitational-wave detectors to provide constraints on the physical properties of core-collapse supernovae through the observation of their gravitational radiation. We use…

高能天体物理现象 · 物理学 2023-02-23 Gergely Dálya , Sibe Bleuzé , Bence Bécsy , Rafael S. de Souza , Tamás Szalai

Gravitational wave astronomy has emerged as a new branch of observational astronomy, since the first detection of gravitational waves in 2015. The current number of $O(100)$ detections is expected to grow by several orders of magnitude over…

广义相对论与量子宇宙学 · 物理学 2024-01-17 Nikolaos Stergioulas

Network data analysis methods are the only way to properly separate real gravitational wave (GW) transient events from detector noise. They can be divided into two generic classes: the coincidence method and the coherent analysis. The…

Accurate building segmentation from high-resolution RGB imagery remains challenging due to spectral similarity with non-building features, shadows, and irregular building geometries. In this study, we present a comprehensive deep learning…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Chintan B. Maniyar , Minakshi Kumar , Gengchen Mai

We study the problem of symmetry detection of 3D shapes from single-view RGB-D images, where severely missing data renders geometric detection approach infeasible. We propose an end-to-end deep neural network which is able to predict both…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Yifei Shi , Junwen Huang , Hongjia Zhang , Xin Xu , Szymon Rusinkiewicz , Kai Xu

This work evaluates the applicability of super-resolution generative adversarial networks (SRGANs) as a methodology for the reconstruction of turbulent-flow quantities from coarse wall measurements. The method is applied both for the…

Convolutional Neural Network is good at image classification. However, it is found to be vulnerable to image quality degradation. Even a small amount of distortion such as noise or blur can severely hamper the performance of these CNN…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Md Tahmid Hossain , Shyh Wei Teng , Dengsheng Zhang , Suryani Lim , Guojun Lu

Deep neural object detection or segmentation networks are commonly trained with pristine, uncompressed data. However, in practical applications the input images are usually deteriorated by compression that is applied to efficiently transmit…

图像与视频处理 · 电气工程与系统科学 2022-05-16 Kristian Fischer , Christian Blum , Christian Herglotz , André Kaup

Rogue wave patterns in the nonlinear Schr\"{o}dinger equation are analytically studied. It is shown that when an internal parameter in the rogue waves (which controls the shape of initial weak perturbations to the uniform background) is…

可精确求解与可积系统 · 物理学 2021-01-06 Bo Yang , Jianke Yang

Strong gravitational lensing is a gravitational wave (GW) propagation effect that influences the inferred GW source parameters and the cosmological environment. Identifying strongly-lensed GW images is challenging as waveform amplitude…

广义相对论与量子宇宙学 · 物理学 2021-06-02 Yijun Wang , Rico K. L. Lo , Alvin K. Y. Li , Yanbei Chen

A gravitational wave traversing the line of sight to a distant source produces a frequency shift which contributes to redshift space distortion. As a consequence, gravitational waves are imprinted as density fluctuations in redshift space.…

宇宙学与河外天体物理 · 物理学 2009-06-30 Somnath Bharadwaj , Tapomoy Guha Sarkar

The nonlinear dynamics of an obliquely oriented wave packet at sea surface is studied both analytically and numerically for various initial parameters of the packet, in connection with the problem of oceanic rogue waves. In the framework of…

流体动力学 · 物理学 2015-04-10 V. P. Ruban

By now, tens of gravitational-wave (GW) events have been detected by the LIGO and Virgo detectors. These GWs have all been emitted by compact binary coalescence, for which we have excellent predictive models. However, there might be other…

天体物理仪器与方法 · 物理学 2020-11-25 Tom Marianer , Dovi Poznanski , J. Xavier Prochaska