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相关论文: A Modified EMD Algorithm and its Applications

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The analysis of data coming from interferometric antennas for gravitational waves detection may require a huge amount of computing power. The usual approach to the detection strategy is to set-up computer farms able to perform several tasks…

高能物理 - 实验 · 物理学 2007-05-23 F. Acernese , F. Barone , R. De Rosa , R. Esposito , P. Mastroserio , L. Milano , S. Pardi , K. Qipiani , G. Spadaccini

A methodology of adaptive time series analysis based on Empirical Mode Decomposition (EMD) has been employed to investigate $^{7}$Be activity concentration variability, along with temperature. Analysed data were sampled at ground level by…

地球物理 · 物理学 2019-05-22 Alessandro Longo , Stefano Bianchi , Wolfango Plastino

The ensemble empirical mode decomposition (EEMD) and its complete variant (CEEMDAN) are adaptive, noise-assisted data analysis methods that improve on the ordinary empirical mode decomposition (EMD). All these methods decompose possibly…

统计计算 · 统计学 2017-07-04 P. J. J. Luukko , J. Helske , E. Räsänen

Computational electromagnetics (CEM) is employed to numerically solve Maxwell's equations, and it has very important and practical applications across a broad range of disciplines, including biomedical engineering, nanophotonics, wireless…

计算工程、金融与科学 · 计算机科学 2024-05-03 Stefanos Bakirtzis , Marco Fiore , Jie Zhang , Ian Wassell

Recently, a so-called E-MS algorithm was developed for model selection in the presence of missing data. Specifically, it performs the Expectation step (E step) and Model Selection step (MS step) alternately to find the minimum point of the…

统计方法学 · 统计学 2021-06-22 Ping-Feng Xu , Lai-Xu Shang , Man-Lai Tang , Na Shan , Guoliang Tian

Iterative decoding was not originally introduced as the solution to an optimization problem rendering the analysis of its convergence very difficult. In this paper, we investigate the link between iterative decoding and classical…

信息论 · 计算机科学 2010-01-13 Florence Alberge , Ziad Naja , P. Duhamel

An important paradigm in smart health is developing diagnosis tools and monitoring a patient's heart activity through processing Electrocardiogram (ECG) signals is a key example, sue to high mortality rate of heart-related disease. However,…

信号处理 · 电气工程与系统科学 2018-11-02 Jiaming Chen , Ali Valehi , Abolfazl Razi

We describe new methods for denoising and detection of gravitational waves embedded in additive Gaussian noise. The methods are based on Total Variation denoising algorithms. These algorithms, which do not need any a priori information…

广义相对论与量子宇宙学 · 物理学 2016-08-10 Alejandro Torres , Antonio Marquina , José A. Font , José M. Ibáñez

A methodology of adaptive time series analysis, based on Empirical Mode Decomposition (EMD), and on its time varying version tvf-EMD has been applied to strain data from the gravitational wave interferometer (IFO) Virgo in order to…

天体物理仪器与方法 · 物理学 2021-02-04 Alessandro Longo , Stefano Bianchi , Wolfango Plastino , Nicolas Arnaud , Antonino Chiummo , Irene Fiori , Bas Swinkels , Michal Was

We present an algorithm for the detection of periodic sources of gravitational waves with interferometric detectors that is based on a special symmetry of the problem: the contributions to the phase modulation of the signal from the earth…

广义相对论与量子宇宙学 · 物理学 2009-11-07 Julien Sylvestre

This summary of the doctoral thesis provides a comprehensive formulation of the Extended Discrete Fourier Transform (EDFT), derived directly from the Fourier integral and its orthogonality properties. The method is obtained by solving…

数据结构与算法 · 计算机科学 2026-01-21 Vilnis Liepins

Although linear and quadratic discriminant analysis are widely recognized classical methods, they can encounter significant challenges when dealing with non-Gaussian distributions or contaminated datasets. This is primarily due to their…

机器学习 · 统计学 2023-11-14 Pierre Houdouin , Matthieu Jonckheere , Frederic Pascal

We propose a novel robust decentralized graph clustering algorithm that is provably equivalent to the popular spectral clustering approach. Our proposed method uses the existing wave equation clustering algorithm that is based on…

机器学习 · 计算机科学 2024-02-05 Hongyu Zhu , Stefan Klus , Tuhin Sahai

Time series forecasting remains a central challenge problem in almost all scientific disciplines. We introduce a novel load forecasting method in which observed dynamics are modeled as a forced linear system using Dynamic Mode Decomposition…

物理与社会 · 物理学 2021-07-13 Daniel Dylewsky , David Barajas-Solano , Tong Ma , Alexandre M. Tartakovsky , J. Nathan Kutz

We propose a blind deconvolution method for signals on graphs, with the exact sparseness constraint for the original signal. Graph blind deconvolution is an algorithm for estimating the original signal on a graph from a set of blurred and…

信号处理 · 电气工程与系统科学 2020-10-28 Kazuma Iwata , Koki Yamada , Yuichi Tanaka

Coalescing compact binaries have been pointed out as the most promising source of gravitational waves for kilometer-size interferometers such as LIGO. Gravitational wave signals are extracted from the noise in the detectors by matched…

广义相对论与量子宇宙学 · 物理学 2009-10-31 Karl Martel

The decomposition of non-stationary signals is an important and challenging task in the field of signal time-frequency analysis. In the recent two decades, many signal decomposition methods led by the empirical mode decomposition, which was…

机器学习 · 计算机科学 2023-07-06 Feng Zhou , Antonio Cicone , Haomin Zhou

Analytic results for (Q)ED processes in external fields are limited to a few special cases, such as plane waves. However, the strong focussing of intense laser fields implies a need to go beyond the plane wave model. By exploiting…

高能物理 - 唯象学 · 物理学 2017-03-22 Tom Heinzl , Anton Ilderton

Entropy Minimization (EM) is beneficial to reducing class overlap, bridging domain gap, and restricting uncertainty for various tasks in machine learning, yet its potential is limited. To study the internal mechanism of EM, we reformulate…

机器学习 · 计算机科学 2025-11-06 Jing Ma , Hanlin Li , Xiang Xiang

In this paper, we introduce a new adaptive data analysis method to study trend and instantaneous frequency of nonlinear and non-stationary data. This method is inspired by the Empirical Mode Decomposition method (EMD) and the recently…

数值分析 · 数学 2012-02-28 Thomas Y. hou , Zuoqiang Shi