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Beamforming design for intelligent reflecting surface (IRS)-assisted multi-user communication (IRS-MUC) systems critically depends on the acquisition of accurate channel state information (CSI). However, channel estimation (CE) in IRS-MUC…

信号处理 · 电气工程与系统科学 2022-11-24 Chang Liu , Xuemeng Liu , Zhiqiang Wei , Derrick Wing Kwan Ng , Robert Schober

Multi-channel Analysis of Surface Waves (MASW) is a seismic method employed to obtain useful information about shear-wave velocities in the near surface. A fundamental step in this methodology is the extraction of dispersion curves from…

地球物理 · 物理学 2023-05-24 Danilo Chamorro , Jiahua Zhao , Claire Birnie , Myrna Staring , Fliedner Moritz , Matteo Ravasi

In this paper we demonstrate that reservoir computing can be used to learn the dynamics of the shallow-water equations. In particular, while most previous applications of reservoir computing have required training on a particular trajectory…

机器学习 · 计算机科学 2022-11-10 Xiaoqian Chen , Balasubramanya T. Nadiga , Ilya Timofeyev

The rapid advancement of artificial intelligence (AI) in weather research has been driven by the ability to learn from large, high-dimensional datasets. However, this progress also poses significant challenges, particularly regarding the…

机器学习 · 计算机科学 2024-10-15 Qian Liu , Bing Gong , Xiaoran Zhuang , Xiaohui Zhong , Zhiming Kang , Hao Li

Gravity inversion is the problem of estimating subsurface density distributions from observed gravitational field data. We consider the two-dimensional (2D) case, in which recovering density models from one-dimensional (1D) measurements…

Deep learning techniques for gravitational-wave parameter estimation have emerged as a fast alternative to standard samplers $\unicode{x2013}$ producing results of comparable accuracy. These approaches (e.g., DINGO) enable amortized…

The direct-current (DC) resistivity method is a commonly used geophysical technique for surveying adverse geological conditions. Inversion can reconstruct the resistivity model from data, which is an important step in the geophysical…

地球物理 · 物理学 2023-05-03 Bin Liu , Yonghao Pang , Peng Jiang , Zhengyu Liu , Benchao Liu , Yongheng Zhang , Yumei Cai , Jiawen Liu

Tasks in which rewards depend upon past information not available in the current observation set can only be solved by agents that are equipped with short-term memory. Usual choices for memory modules include trainable recurrent hidden…

机器学习 · 计算机科学 2024-12-18 Kevin McKee

Super-resolution (SR) techniques based on deep learning have recently emerged as a promising approach to enhance the spatial resolution of computational fluid dynamics simulations while containing computational cost. In this paper, we…

流体动力学 · 物理学 2026-04-13 Armin Sheidani , Michele Girfoglio , Annalisa Quaini , Gianluigi Rozza

Accurate rainfall forecasting is critical because it has a great impact on people's social and economic activities. Recent trends on various literatures show that Deep Learning (Neural Network) is a promising methodology to tackle many…

机器学习 · 计算机科学 2017-11-08 Seongchan Kim , Seungkyun Hong , Minsu Joh , Sa-kwang Song

Climate change is intensifying rainfall extremes, making high-resolution precipitation projections crucial for society to better prepare for impacts such as flooding. However, current Global Climate Models (GCMs) operate at spatial…

机器学习 · 计算机科学 2024-12-20 Ran Lyu , Linhan Wang , Yanshen Sun , Hedanqiu Bai , Chang-Tien Lu

Accurately predicting adsorption properties in nanoporous materials using Deep Learning models remains a challenging task. This challenge becomes even more pronounced when attempting to generalize to structures that were not part of the…

We propose, analyze, and test a novel continuous data assimilation two-phase flow algorithm for reservoir simulation. We show that the solutions of the algorithm, constructed using coarse mesh observations, converge at an exponential rate…

数值分析 · 数学 2022-06-22 Yat Tin Chow , Wing Tat Leung , Ali Pakzad

This study presents Part II of an AI-enhanced Decision Support System (DSS), extending Rahimi (2025, Part I) by introducing a fully uncertainty-aware optimization framework for long-term open-pit mine planning. Geological uncertainty is…

人工智能 · 计算机科学 2025-11-25 Iman Rahimi

In the past couple of years, there is a proliferation in the use of machine learning approaches to represent subgrid scale processes in geophysical flows with an aim to improve the forecasting capability and to accelerate numerical…

计算物理 · 物理学 2021-04-13 Suraj Pawar , Omer San

In the field of 3D dynamic scene reconstruction, how to balance model convergence rate and rendering quality has long been a critical challenge that urgently needs to be addressed, particularly in high-precision modeling of scenes with…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Nengbo Lu , Minghua Pan , Shaohua Sun , Yizhou Liang

Synthetic aperture radar (SAR) is widely used for ground surface classification since it utilizes information on vegetation and soil unavailable in optical observation. Image classification often employs convolutional neural networks.…

信号处理 · 电气工程与系统科学 2021-08-31 Bungo Konishi , Akira Hirose , Ryo Natsuaki

With the rapid development of gravitational wave astronomy, the increasing number of detected events necessitates efficient methods for parameter estimation and model updates. This study presents a novel approach using knowledge…

广义相对论与量子宇宙学 · 物理学 2024-12-19 Xihua Zhu , Yiqian Yang , Fan Zhang

The use of deep learning models for forecasting the resource consumption patterns of SQL queries have recently been a popular area of study. With many companies using cloud platforms to power their data lakes for large scale analytic…

机器学习 · 计算机科学 2021-03-24 Johan Kok Zhi Kang , Gaurav , Sien Yi Tan , Feng Cheng , Shixuan Sun , Bingsheng He

Accurate mapping of greenhouse gas fluxes at the Earth's surface is essential for the validation and calibration of climate models. In this study, we present a framework for surface flux estimation with drones. Our approach uses data…

机器学习 · 计算机科学 2024-01-09 Alouette van Hove , Kristoffer Aalstad , Norbert Pirk
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