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Time domain astronomy and the increasing number of exoplanet candidates call for reliable, robust, and automatic wavelength calibration. We present an algorithm for wavelength calibrating \'echelle spectrographs that uses order-by-order…

天体物理仪器与方法 · 物理学 2020-06-24 G. M. Brandt , T. D. Brandt , C. McCully

Massive MIMO is bringing significant performance improvements in the context of outdoor macrocells, such as favourable propagation conditions, spatially confined communication, high antenna gains to overcome pathloss, and good angular…

信号处理 · 电气工程与系统科学 2020-03-26 Andrea P. Guevara , Sibren De Bast , Sofie Pollin

Wireless sensor networks consist of sensor nodes that are physically distributed over different locations. Spatial filtering procedures exploit the spatial correlation across these sensor signals to fuse them into a filtered signal…

信号处理 · 电气工程与系统科学 2022-11-04 Cem Ates Musluoglu , Alexander Bertrand

Network virtualization has caught the attention of many researchers in recent years. It facilitates the process of creating several virtual networks over a single physical network. Despite this advantage, however, network virtualization…

分布式、并行与集群计算 · 计算机科学 2017-11-01 Amal S. Alzahrani , Ashraf A. Shahin

High-precision positioning is vital for cellular networks to support innovative applications such as extended reality, unmanned aerial vehicles (UAVs), and industrial Internet of Things (IoT) systems. Existing positioning algorithms using…

信号处理 · 电气工程与系统科学 2025-09-03 Shugong Xu , Jun Jiang , Wenjun Yu , Yilin Gao , Guangjin Pan , Shiyi Mu , Zhiqi Ai , Yuan Gao , Peigang Jiang , Cheng-Xiang Wang

In this paper, we propose Plane Wave Elastography (PWE), a novel ultrasound shear wave elastography (SWE) approach. Currently, commercial methods for SWE rely on directional filtering based on the prior knowledge of the wave propagation…

医学物理 · 物理学 2021-08-11 Reza Khodayi-mehr , Matthew W. Urban , Michael M. Zavlanos , Wilkins Aquino

Astronomical telescopes suffer from a tradeoff between field of view (FoV) and image resolution: increasing the FoV leads to an optical field that is under-sampled by the science camera. This work presents a novel computational imaging…

天体物理仪器与方法 · 物理学 2025-08-07 Robin Swanson , Esther Y. H. Lin , Masen Lamb , Suresh Sivanandam , Kiriakos N. Kutulakos

The rapid progress in quantum computing has opened up new possibilities for tackling complex scientific problems. Variational quantum eigensolver (VQE) holds the potential to solve quantum chemistry problems and achieve quantum advantages.…

量子物理 · 物理学 2024-03-08 Linghua Zhu , Senwei Liang , Chao Yang , Xiaosong Li

In a wireless network, the spatial location of the transmitters has a large impact on the achievable rate at each user location. The optimal placement of -- for example -- cellular base stations is a difficult non-convex problem, and is…

信息论 · 计算机科学 2026-05-08 Lukas Taus , Richard Tsai , Jeffrey G. Andrews

The rapid development of virtual network architecture makes it possible for wireless network to be widely used. With the popularity of artificial intelligence (AI) industry in daily life, efficient resource allocation of wireless network…

网络与互联网体系结构 · 计算机科学 2022-02-07 Chao Wang , Tao Dong , Youxiang Duan , Qifeng Sun , Peiying Zhang

Due to their architecture and how they are trained, artificial neural networks are typically not robust toward pruning or shuffling layers at test time. However, such properties would be desirable for different applications, such as…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Matthias Freiberger , Peter Kun , Anders Sundnes Løvlie , Sebastian Risi

Unmanned aerial vehicle (UAV) as an aerial base station is a promising technology to rapidly provide wireless connectivity to ground users. Given UAV's agility and mobility, a key question is how to adapt UAV deployment to best cater to the…

信息论 · 计算机科学 2018-12-11 Zhe Wang , Lingjie Duan , Rui Zhang

In this paper, we investigate potential biases in datasets used to make drug binding predictions using machine learning. We investigate a recently published metric called the Asymmetric Validation Embedding (AVE) bias which is used to…

生物大分子 · 定量生物学 2020-01-13 Brian Davis , Kevin Mcloughlin , Jonathan Allen , Sally Ellingson

Recent advances in cellular communication systems resulted in a huge increase in spectrum demand. To meet the requirements of the ever-growing need for spectrum, efficient utilization of the existing resources is of utmost importance.…

网络与互联网体系结构 · 计算机科学 2013-10-01 K Viswanadh , Dr. G Rama Murthy

This thesis presents a novel approach to neural network training that addresses the challenge of determining the optimal number of learning factors. The proposed Adaptive Multiple Optimal Learning Factors (AMOLF) algorithm dynamically…

机器学习 · 计算机科学 2024-06-12 Jeshwanth Challagundla

Learning-based surrogates have become increasingly effective for wave-field prediction, and neural operators in particular have shown strong performance within observed frequency regimes. However, higher-frequency prediction under scarce…

机器学习 · 计算机科学 2026-05-27 Yifan Sun , Lei Cheng , Sijie Chen , Ting Zhang , Jianlong Li , Shikai Fang

This paper studies a passive localization system, where an extremely large-scale antenna array (ELAA) is deployed at the base station (BS) to locate a user equipment (UE) residing in its near-field (Fresnel) region. We propose a novel…

信号处理 · 电气工程与系统科学 2024-05-27 Xiaojun Yuan , Yuqing Zheng , Mingchen Zhang , Boyu Teng , Wenjun Jiang

This paper studies a passive localization system, where an extremely large-scale antenna array (ELAA) is deployed at the base station (BS) to locate a user equipment (UE) residing in its near-field (Fresnel) region. We propose a novel…

信号处理 · 电气工程与系统科学 2024-06-27 Xiaojun Yuan , Yuqing Zheng , Mingchen Zhang , Boyu Teng , Wenjun Jiang

The identification of electromagnetic emission from gravitational-wave sources typically requires multiple follow-up observations due to the limited fields-of-view of follow-up observatories compared to the poorly localized direction of…

天体物理仪器与方法 · 物理学 2020-07-01 Nihar Gupte , Imre Bartos

Large multi-object spectroscopic surveys require automated algorithms to optimise their observing strategy. One of the most ambitious upcoming spectroscopic surveys is the 4MOST survey. The 4MOST survey facility is a fibre-fed spectroscopic…