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In the last decades, more or less complex physically-based hydrological models, have been developed to solve the shallow water equations or their approximations using various numerical methods. The MacCormack method was developed for…

数值分析 · 数学 2019-03-28 Eric Ngondiep , Alqahtani T. Rubayyi , Jean C. Ntonga

This manuscript presents a data-processing technique which improves the accuracy and precision of absorption-spectroscopy measurements by isolating the molecular absorbance signal from errors in the baseline light intensity (Io) using…

We present a new, high-speed technique to track the three-dimensional translation and rotation of non-spherical colloidal particles. We capture digital holograms of micrometer-scale silica rods and sub-micrometer-scale Janus particles…

We study the phase diagram of a system of spherical particles interacting in three dimensions through a potential consisting of a strict hard core plus a linear repulsive shoulder at larger distances. The phase diagram (obtained…

统计力学 · 物理学 2009-10-31 E. A. Jagla

Water, when confined at the nanoscale acquires extraordinary transport properties. And yet there is no direct experimental evidence of these properties at nanoscale resolution. Here, by using 2D NMR diffusion-relaxation (D-T2) and…

Phase-averaging is a fundamental approach for investigating periodic and non-stationary phenomena. In fluid dynamics, these can be generated by rotating blades such as propellers/turbines or by pulsed jets. Traditional phase-averaging…

流体动力学 · 物理学 2025-02-20 Enrico Amico , Sara Montagner , Jacopo Serpieri , Gioacchino Cafiero

This paper proposes a fluid antenna (FA)-assisted near-field integrated sensing and communications (ISAC) system enabled by the extremely large-scale simultaneously transmitting and reflecting surface (XL-STARS). By optimizing the…

信号处理 · 电气工程与系统科学 2024-10-01 Jingxuan Zhou , Yinchao Yang , Zhaohui Yang , Mohammad Shikh-Bahaei

Flow cytometry is a widespread and powerful technique, whose resolution is determined by its capacity to accurately distinguish fluorescently positive populations from negative ones. However, most informative results are discarded while…

In this work we devise a theoretical and computational method to compute the elastic scattering of electrons from a non-spherical potential, such as in the case of molecules and molecular aggregates. Its main feature is represented by the…

化学物理 · 物理学 2023-01-18 Francesca Triggiani , Tommaso Morresi , Simone Taioli , Stefano Simonucci

Continuous diffusion and flow matching models could represent a powerful alternative to autoregressive approaches for language modelling (LM), as they unlock a host of advantages currently reserved for continuous modalities, including…

Network-based Intrusion Detection Systems (IDS) are predominantly trained on tabular flow records, whose one-dimensional representations limit convolutional architectures from exploiting inter-feature spatial correlations. This paper…

密码学与安全 · 计算机科学 2026-05-08 Ziyu Mu , Zihui Yan , Xiyu Shi , Safak Dogan

With fluid antenna system (FAS) gradually establishing itself as a possible enabling technology for next generation wireless communications, channel estimation for FAS has become a pressing issue. Existing methodologies however face…

信号处理 · 电气工程与系统科学 2025-07-09 Zhen Chen , Jianqing Li , Xiu Yin Zhang , Kai-Kit Wong , Chan-Byoung Chae , Yangyang Zhang

The interaction of water with surfaces is crucially important in a wide range of natural and technological settings. In particular, at low temperatures, unveiling the atomistic structure of adsorbed water clusters would provide valuable…

材料科学 · 物理学 2024-02-23 F. Priante , N. Oinonen , Y. Tian , D. Guan , C. Xu , S. Cai , P. Liljeroth , Y. Jiang , A. S. Foster

In this paper, the calorimetric power measurement method for electron cyclotron resonance heating system on EAST are presented. This method requires measurement of the water flow through the cooling circuits and the input and output water…

等离子体物理 · 物理学 2017-08-22 Weiye Xu , Handong Xu , Fukun Liu , Jian Wang , Xiaojie Wang , Yongzhong Hou

Quantitative estimation of contrast agent concentration is made possible by spectral CT and material decomposition. There are several approaches to modulate the sensitivity of the imaging system to obtain the different spectral channels…

医学物理 · 物理学 2020-10-16 Matthew Tivnan , Wenying Wang , Grace Gang , Eleni Liapi , Peter Noel , J. Webster Stayman

This study extends the flow measurement method initially proposed in [22] to three-dimensional scenarios, addressing the growing need for accurate and efficient non-contact flow measurement techniques in complex hydrodynamic environments.…

数值分析 · 数学 2025-03-18 Jiwei Li , Lingyun Qiu , Zhongjing Wang , Hui Yu

Diffuse correlation spectroscopy (DCS) analyzes the autocorrelation function of photons scattered by red blood cells, enabling non-invasive, continuous measurement of deep tissue blood flow at the bedside. Multi-layer DCS models (two- and…

In recent years, there has been an increasing research interest in the application of remote sensing technology to highly aerated flows, which is because this technology holds the ultimate promise to enable safe and accurate measurements of…

流体动力学 · 物理学 2024-08-19 Matthias Kramer , Daniel B. Bung

Using the Deep Potential methodology, we construct a model that reproduces accurately the potential energy surface of the SCAN approximation of density functional theory for water, from low temperature and pressure to about 2400 K and 50…

化学物理 · 物理学 2021-06-16 Linfeng Zhang , Han Wang , Roberto Car , Weinan E

We present the end-to-end data reduction pipeline for SCALES (Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy), the upcoming thermal-infrared, diffraction-limited imager, and low and medium-resolution integral field…

天体物理仪器与方法 · 物理学 2025-09-22 Athira Unni , Steph Sallum , Peyton Benac , Michael P. Fitzgerald , Max Brodheim , Rosalie McGurk , Andy Skemer , William T. S. Deich