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Reliable and accurate prediction of time series plays a crucial role in maritime industry, such as economic investment, transportation planning, port planning and design, etc. The dynamic growth of maritime time series has the predominantly…

计算工程、金融与科学 · 计算机科学 2019-05-14 Yan Li , Ryan Wen Liu , Zhao Liu , Jingxian Liu

Smart grids extremely rely on Information and Communications Technology (ICT) and smart meters to control and manage numerous parameters of the network. However, using these infrastructures make smart grids more vulnerable to cyber threats…

机器学习 · 计算机科学 2021-02-12 Hossein Mohammadi Rouzbahani , Hadis Karimipour , Lei Lei

A quantum edge detector for image segmentation in optical environments is presented in this work. A Boolean version of the same detector is presented too. The quantum version of the new edge detector works with computational basis states,…

计算机视觉与模式识别 · 计算机科学 2014-09-11 Mario Mastriani

Principal Component Analysis (PCA) is an efficient tool to optimize the multiparameter tests of general relativity (GR) where one tests for simultaneous deviations in multiple post-Newtonian (PN) phasing coefficients by introducing…

广义相对论与量子宇宙学 · 物理学 2022-08-17 Sayantani Datta , M. Saleem , K. G. Arun , B. S. Sathyaprakash

A reduction of the Maxwell's system to a Fredholm second-kind integral equation with weakly singular kernel is given for electromagnetic (EM) wave scattering by one and many small bodies. This equation is solved asymptotically as the…

数学物理 · 物理学 2009-11-13 A. G. Ramm

End-to-end analyses of data from high-energy physics experiments using machine and deep learning techniques have emerged in recent years. These analyses use deep learning algorithms to go directly from low-level detector information…

数据分析、统计与概率 · 物理学 2022-08-08 Adam Aurisano , Leigh H. Whitehead

Approximated numerical techniques, for the solution of the elastic wave scattering problem over semi-infinite domains are reviewed. The approximations involve the representation of the half-space by a boundary condition described in terms…

计算工程、金融与科学 · 计算机科学 2014-10-14 Nicolás Guarín-Zapata , Juan Gómez , Juan Jaramillo

The increasing use of multivariate methods, and in particular the Matrix Element Method (MEM), represents a revolution in experimental particle physics. With continued exponential growth in computing capabilities, the use of sophisticated…

高能物理 - 唯象学 · 物理学 2013-07-29 James S. Gainer , Joseph Lykken , Konstantin T. Matchev , Stephen Mrenna , Myeonghun Park

In this paper a denoising strategy based on the EEMD (Ensemble Empirical Mode Decomposition) is used to reduce the background noise in non-stationary signals, which represent the forces measured in scaled model testing of the emergency…

信号处理 · 电气工程与系统科学 2022-01-06 Emanuele Spinosa , Alessandro Iafrati

In this study, we challenge the traditional approach of frequency analysis on directed graphs, which typically relies on a single measure of signal variation such as total variation. We argue that the inherent directionality in directed…

信号处理 · 电气工程与系统科学 2024-01-17 Semin Kwak , Laura Shimabukuro , Antonio Ortega

Multivariate or multichannel data have become ubiquitous in many modern scientific and engineering applications, e.g., biomedical engineering, owing to recent advances in sensor and computing technology. Processing these data sets is…

信号处理 · 电气工程与系统科学 2020-05-26 Sikender Gul , Muhammad Faisal Siddiqui , Naveed Ur Rehman

Separating the effects of waves and turbulence in oceanographic time series is an ongoing challenge because surface wave motion and turbulence fluctuations can occur at overlapping frequencies. Therefore, simple bandpass filters cannot…

流体动力学 · 物理学 2025-01-20 Julio Chávez-Dorado , Isabel Scherl , Michelle DiBenedetto

This paper introduces an efficient algorithm based on the Parity-Consistent Decomposition (PCD) method to determine the WD of pre-transformed polar codes. First, to address the bit dependencies introduced by the pre-transformation matrix,…

信息论 · 计算机科学 2026-01-13 Yang Liu , Bolin Wu , Yuxin Han , Kai Niu

This paper presents a novel signal compression algorithm based on the Blaschke unwinding adaptive Fourier decomposition (AFD). The Blaschke unwinding AFD is a newly developed signal decomposition theory. It utilizes the Nevanlinna…

信号处理 · 电气工程与系统科学 2018-03-20 Chunyu Tan , Liming Zhang , Hau-tieng Wu

Iterative Filtering (IF) is an alternative technique to the Empirical Mode Decomposition (EMD) algorithm for the decomposition of non-stationary and non-linear signals. Recently in [1] IF has been proved to be convergent for any $L^2$…

数值分析 · 数学 2015-07-28 Antonio Cicone , Haomin Zhou

Compared to real-valued signals, complex-valued signals provide a unique and intuitive representation of the phase of real physical systems and processes, which holds fundamental significance and is widely applied across many fields of…

信号处理 · 电气工程与系统科学 2025-11-04 Wang Hao , Kuang Zhang , Hou Chengyu , Tan Chenxing , Cui Weiming , Fu Weifeng , Yao Xinran

The electromagnetic (EM) radiation force-per-length exerted on a pair of electrically-conducting cylindrical particles of circular and non-circular cross-sections is examined using a formal semi-analytical method based on boundary matching…

经典物理 · 物理学 2018-10-09 F. G. Mitri

Single-particle imaging with X-ray free-electron lasers depends crucially on algorithms that merge large numbers of weak diffraction patterns despite missing measurements of parameters such as particle orientations. The…

计算物理 · 物理学 2021-08-24 B. R. Mobley , K. E. Schmidt , J. P. Chen , R. A. Kirian

Time-frequency analysis for non-linear and non-stationary signals is extraordinarily challenging. To capture features in these signals, it is necessary for the analysis methods to be local, adaptive and stable. In recent years,…

数值分析 · 数学 2015-10-26 Antonio Cicone , Jingfang Liu , Haomin Zhou

We systematically study various network Expectation-Maximization (EM) algorithms for the Gaussian mixture model within the framework of decentralized federated learning. Our theoretical investigation reveals that directly extending the…

机器学习 · 统计学 2024-11-11 Shuyuan Wu , Bin Du , Xuetong Li , Hansheng Wang