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In industrial big data scenarios, high-dimensional sparse matrices (HDI) are widely used to characterize high-order interaction relationships among massive nodes. The stochastic gradient descent-based latent factor analysis (SGD-LFA) method…

机器学习 · 计算机科学 2025-08-26 Jinli Li , Shiyu Long , Minglian Han

Predicting the behavior of complex systems is critical in many scientific and engineering domains, and hinges on the model's ability to capture their underlying dynamics. Existing methods encode the intrinsic dynamics of high-dimensional…

计算工程、金融与科学 · 计算机科学 2025-11-18 Jingwen Cheng , Ruikun Li , Huandong Wang , Yong Li

While the harmonic function solution performs well in many semi-supervised learning (SSL) tasks, it is known to scale poorly with the number of samples. Recent successful and scalable methods, such as the eigenfunction method focus on…

机器学习 · 统计学 2016-01-22 Daniele Calandriello , Alessandro Lazaric , Michal Valko , Ioannis Koutis

In this paper, frequency dynamics in modern power systems with a high penetration of converter-based generation is analysed. A fundamental analysis of the frequency dynamics is performed to identify the limitations and challenges when the…

系统与控制 · 电气工程与系统科学 2025-11-26 Carlos Collados-Rodriguez , Daniel Westerman Spier , Marc Cheah-Mane , Eduardo Prieto-Araujo , Oriol Gomis-Bellmunt

This paper provides a unified framework to study the performance of successive interference cancellation (SIC) in wireless networks with arbitrary fading distribution and power-law path loss. An analytical characterization of the…

信息论 · 计算机科学 2014-02-10 Xinchen Zhang , Martin Haenggi

Fourier Transform Interferometry (FTI) is an interferometric procedure for acquiring HyperSpectral (HS) data. Recently, it has been observed that the light source highlighting a (biologic) sample can be coded before the FTI acquisition in a…

信息论 · 计算机科学 2018-03-09 Amirafshar Moshtaghpour , Laurent Jacques

We consider sparse superposition codes (SPARCs) over complex AWGN channels. Such codes can be efficiently decoded by an approximate message passing (AMP) decoder, whose performance can be predicted via so-called state evolution in the…

信息论 · 计算机科学 2021-03-09 Haiwen Cao , Pascal O. Vontobel

Integrating Information and Communications Technology (ICT) devices into the power grid brings many benefits. However, it also exposes the grid to new potential cyber threats. Many control and protection mechanisms, such as Load Frequency…

This paper investigates closed-loop stability of a linear discrete-time plant subject to bounded disturbances when controlled according to packetized predictive control (PPC) policies. In the considered feedback loop, the controller is…

系统与控制 · 电气工程与系统科学 2021-08-20 Mohsen Barforooshan , Masaaki Nagahara , Jan Ostergaard

Computational spectral imaging (CSI) achieves real-time hyperspectral imaging through co-designed optics and algorithms, but typical CSI methods suffer from a bulky footprint and limited fidelity. Therefore, Spectral Deconvolution imaging…

图像与视频处理 · 电气工程与系统科学 2025-11-11 Tao Lv , Daoming Zhou , Chenglong Huang , Chongde Zi , Linsen Chen , Xun Cao

The cost of writing, transferring, and storing large data from unsteady simulations limits access to the entire solution, often leaving much of the flow under-sampled or unanalyzed. For example, modeling transient behavior of rare dynamic…

数据分析、统计与概率 · 物理学 2024-10-17 Spencer L. Stahl , Stuart I. Benton

Dimensionality reduction methods for count data are critical to a wide range of applications in medical informatics and other fields where model interpretability is paramount. For such data, hierarchical Poisson matrix factorization (HPF)…

Convolutional sparse coding (CSC) can learn representative shift-invariant patterns from multiple kinds of data. However, existing CSC methods can only model noises from Gaussian distribution, which is restrictive and unrealistic. In this…

机器学习 · 计算机科学 2020-04-22 Yaqing Wang , James T. Kwok , Lionel M. Ni

In Part I of this paper a method for the Harmonic Stability Assessment (HSA) of power systems with a high share of Converter-Interfaced Distributed Energy Resources (CIDERs) was proposed. Specifically, the Harmonic State-Space (HSS) model…

系统与控制 · 电气工程与系统科学 2024-08-13 Johanna Kristin Maria Becker , Andreas Martin Kettner , Mario Paolone

We consider the stochastic patterns of a system of communicating, or coupled, self-propelled particles in the presence of noise and communication time delay. For sufficiently large environmental noise, there exists a transition between a…

适应与自组织系统 · 物理学 2012-04-23 Luis Mier-y-Teran-Romero , Eric Forgoston , Ira B. Schwartz

The sixth-generation (6G) wireless networks promises the integration of radar-like sensing capabilities into communication infrastructure. In this paper, we investigate a multi-static sensing framework where half-duplex base stations (BSs)…

信号处理 · 电气工程与系统科学 2025-12-17 Navid Amani , Priyanka Maity , Musa Furkan Keskin , Henk Wymeersch

The reconstruction of sparse signals from a limited set of measurements poses a significant challenge as it necessitates a solution to an underdetermined system of linear equations. Compressed sensing (CS) deals with sparse signal…

信息论 · 计算机科学 2025-05-22 Salman Habib , Remi Chou , Taejoon Kim

This paper presents a novel approach to multiple access control called coded splitting tree protocol. The approach builds on the known tree splitting protocols, code structure and successive interference cancellation (SIC). Several…

信息论 · 计算机科学 2013-01-31 Jesper H. Sørensen , Cedomir Stefanović , Petar Popovski

Integrated sensing and communication (ISAC) systems have emerged as a promising solution to improve spectrum efficiency and enable functional convergence. However, ensuring secure information transmission while maintaining high-quality…

信号处理 · 电气工程与系统科学 2025-12-12 Yufei Wang , Qiang Li , Hongli Liu , Ying Zhang , Jingran Lin

In high-renewable power systems, active-power disturbances are becoming larger and exhibit increasingly diverse time scales, which complicates frequency stability assessment under unanticipated events. This paper presents a response-based…

系统与控制 · 电气工程与系统科学 2025-11-27 Jinhui Chen , Huadong Sun , Ping Wu , Baocai Wang , Bing Zhao