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This paper studies the coordinated beamforming (CoBF) design for the multiple-input single-output interference channel, provided that only channel distribution information is known to the transmitters. The problem under consideration is a…

信息论 · 计算机科学 2023-07-19 Wei-Chiang Li , Tsung-Hui Chang , Chong-Yung Chi

We present a high-order radial basis function finite difference (RBF-FD) framework for the solution of advection-diffusion equations on time-varying domains. Our framework is based on a generalization of the recently developed Overlapped…

数值分析 · 数学 2021-09-15 Varun Shankar , Grady B. Wright , Aaron L. Fogelson

This work continues the development of the raytracing method of [1] for computing the scattered fields from metasurfaces characterized by locally periodic reflection and transmission coefficients. In this work, instead of describing the…

光学 · 物理学 2022-02-16 Scott Stewart , Yvo L. C. de Jong , Tom J. Smy , Shulabh Gupta

The work described is concerned with the way micron-size particles attached to a surface are resuspended when exposed to a turbulent flow. An improved version of the Rock'n'Roll model (Reeks and Hall, 2001) is developed where this model…

流体动力学 · 物理学 2013-01-15 F. Zhang , M. Reeks , M. Kissane

The reliability of the mean-field approach to polymer statistical mechanics is investigated by comparing results from a recently developed lattice mean-field theory (LMFT) method to statistically exact results from two independent numerical…

软凝聚态物质 · 物理学 2016-08-31 S. Tsonchev , R. D. Coalson , S. -S. Chern , A. Duncan

The relative roles of multiple electron scattering and in-molecule free-space propagation in transmission electron microscopy of small molecules are discussed. It is argued that while multiple scattering tends to have only a moderate effect…

图像与视频处理 · 电气工程与系统科学 2019-12-02 T. E. Gureyev , H. M. Quiney , A. Kozlov , L. J. Allen

Class imbalance refers to the significant difference in the number of samples from different classes within a dataset, making it challenging to identify minority class samples correctly. This issue is prevalent in real-world classification…

机器学习 · 计算机科学 2024-08-08 Yi-Yang Shangguan , Shi-Shun Chen , Xiao-Yang Li

Approximation of scattered geometric data is often a task in many engineering problems. The Radial Basis Function (RBF) approximation is appropriate for large scattered (unordered) datasets in d-dimensional space. This method is useful for…

图形学 · 计算机科学 2018-04-19 Zuzana Majdisova , Vaclav Skala

We perform resolvent analysis to examine the perturbation dynamics over the laminar separation bubble (LSB) that forms near the leading edge of a NACA 0012 airfoil at a chord-based Reynolds number of 500,000 and an angle of attack of 8…

流体动力学 · 物理学 2020-08-03 Chi-An Yeh , Stuart I. Benton , Kunihiko Taira , Daniel J. Garmann

The recently developed localized orbital scaling correction (LOSC) method shows the ability to systematically and size-consistently reduce the delocalization error existing in conventional density functional approximations (DFAs). Applying…

化学物理 · 物理学 2020-10-19 Yuncai Mei , Zehua Chen , Weitao Yang

This paper investigates the effects of setting the sampling frequency significantly higher than conventional guidelines in system identification. Although continuous-time identification methods resolve the numerical difficulties encountered…

系统与控制 · 电气工程与系统科学 2025-06-05 Ichiro Maruta , Toshiharu Sugie

This draft concerns the error analysis of a collocation method based on the moving least squares (MLS) approximation for integral equations, which improves the results of [2] in the analysis part. This is mainly a translation from Persian…

数值分析 · 数学 2015-09-01 Davoud Mirzaei

Scanning Kelvin probe microscopy (SKPM) is a powerful technique for investigating the electrostatic properties of material surfaces, enabling the imaging of variations in work function, topology, surface charge density, or combinations…

应用物理 · 物理学 2024-07-26 Isaac C. D. Lenton , Felix Pertl , Lubuna Shafeek , Scott R. Waitukaitis

Spare representation of signals has received significant attention in recent years. Based on these developments, a sparse representation-based classification (SRC) has been proposed for a variety of classification and related tasks,…

计算机视觉与模式识别 · 计算机科学 2016-07-19 Minshan Cui , Saurabh Prasad

We present an efficient algorithm for the least squares parameter fitting optimized for component separation in multi-frequency CMB experiments. We sidestep some of the problems associated with non-linear optimization by taking advantage of…

宇宙学与河外天体物理 · 物理学 2015-06-26 Rishi Khatri

We investigate the performance of distributed least-mean square (LMS) algorithms for parameter estimation over sensor networks where the regression data of each node are corrupted by white measurement noise. Under this condition, we show…

系统与控制 · 计算机科学 2016-11-18 Reza Abdolee , Benoit Champagne

We consider simultaneously identifying the membership and locations of point sources that are convolved with different low-pass point spread functions, from the observation of their superpositions. This problem arises in three-dimensional…

信息论 · 计算机科学 2015-04-24 Yuanxin Li , Yuejie Chi

Broad beam beamforming (BF) design in multiple-input multiple-output (MIMO) can be convenient for initial access, synchronization, and sensing capabilities in cellular networks by avoiding overheads of sweeping methods while making…

信号处理 · 电气工程与系统科学 2025-08-05 Ahmet Kaplan , Diana P. M. Osorio , Erik G. Larsson

The lattice Boltzmann method (LBM) is a popular numerical framework to investigate single and multiphase flow though porous media. For estimation of absolute permeability based on micro-tomographic images of the porous medium, the…

计算物理 · 物理学 2019-03-01 Parthib Rao , Laura Schaefer

Despite more than 40 years of research in condensed-matter physics, state-of-the-art approaches for simulating the radial distribution function (RDF) g(r) still rely on binning pair-separations into a histogram. Such methods suffer from…

材料科学 · 物理学 2016-09-05 Thomas W. Rosch , Paul N. Patrone