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High-fidelity, high-resolution numerical simulations are crucial for studying complex multiscale phenomena in fluid dynamics, such as turbulent flows and ocean waves. However, direct numerical simulations with high-resolution solvers are…

数值分析 · 数学 2025-04-14 Wuzhe Xu , Yulong Lu , Lian Shen , Anqing Xuan , Ali Barzegari

The world is often stricken by catastrophic disasters. On-demand drone-mounted visible light communication (VLC) networks are suitable for monitoring disaster-stricken areas for leveraging disaster-response operations. The concept of an…

机器人学 · 计算机科学 2020-11-09 Yukito Onodera , Hiroki Takano , Daisuke Hisano , Yu Nakayama

The transfer-matrix method is a standard approach to wave propagation in stratified media. With the advent of cold-atom-based quantum and photonic technologies, several experiments and many proposals consider light propagation in…

原子物理 · 物理学 2026-01-22 Igor M. Sokolov , William Guerin

With the rapid development of communications and computing, the concept of connected vehicles emerges to improve driving safety, traffic efficiency and infotainment experience. Due to the limited capabilities of sensors and information…

信息论 · 计算机科学 2019-04-04 Haojun Yang , Kan Zheng , Kuan Zhang , Jie Mei , Yi Qian

Diffusion models have become a successful approach for solving various image inverse problems by providing a powerful diffusion prior. Many studies tried to combine the measurement into diffusion by score function replacement, matrix…

计算机视觉与模式识别 · 计算机科学 2024-05-20 Hanyu Chen , Zhixiu Hao , Liying Xiao

Modeling of multiple-scattering channels in atmospheric turbulence is essential for the performance analysis of long-distance non-line-of-sight (NLOS) ultraviolet (UV) communications. Existing works on the turbulent channel modeling for…

系统与控制 · 电气工程与系统科学 2025-12-25 Renzhi Yuan , Xinyi Chu , Tao Shan , Chuang Yang , Mugen Peng

The cross-domain oceanic connectivity ranging from underwater to the sky has become increasingly indispensable for a plethora of data-consuming maritime applications, such as maritime meteorological monitoring and offshore exploration.…

信号处理 · 电气工程与系统科学 2026-03-05 Tianqi Mao , Jiayue Liu , Zeping Sui , Leyu Cao , Xiao Liang , Dezhi Zheng , Zhaocheng Wang

We examine the applicability of the weak wave turbulence theory in explaining experimental scaling results obtained for the diffusion and relative diffusion of particles moving on turbulent surface waves. For capillary waves our theoretical…

混沌动力学 · 物理学 2007-09-23 Victor M. Eguiluz , Mogens T. Levinsen , Preben Alstrom

Turbulence is a crucial component of dynamics of astrophysical fluids dynamics, including those of ISM, clusters of galaxies and circumstellar regions. Doppler shifted spectral lines provide a unique source of information on turbulent…

天体物理学 · 物理学 2007-05-23 A. Lazarian

We present a statistical analysis of a mixed radio-frequency (RF)-visible light communications (VLC) relaying system, where outdoor millimeter wave based RF links are utilized to provide backhaul connectivity for indoor VLC broadcasting.…

网络与互联网体系结构 · 计算机科学 2022-09-23 Milica I. Petkovic , Aleksandra Cvetkovic , Milan Narandzic , Dejan Vukobratovic

In this paper, a liquid lens-based imaging receiver is proposed for multiple-input multiple-output (MIMO) visible light communication (VLC) systems. By dynamically adjusting the focal length and orientation angles of the liquid lens, the…

信号处理 · 电气工程与系统科学 2025-08-08 Kapila W. S. Palitharathna , Christodoulos Skouroumounis , Ioannis Krikidis

The properties of liquid water are known to change drastically in confined geometries. A most interesting and intriguing phenomenon is that the diffusion of water is found to be strongly enhanced by the proximity of a hydrophobic confining…

软凝聚态物质 · 物理学 2024-12-06 Lorenzo Agosta , Kersti Hermansson , Mikhail Dzugutov

Powerline communication (PLC) provides inexpensive, secure and high speed network connectivity, by leveraging the existing power distribution networks inside the buildings. While PLC technology has the potential to improve connectivity and…

网络与互联网体系结构 · 计算机科学 2016-08-31 Kamran Ali , Ioannis Pefkianakis , Alex X. Liu , Kyu-Han Kim

Diffusion Bridge and Flow Matching have both demonstrated compelling empirical performance in transformation between arbitrary distributions. However, there remains confusion about which approach is generally preferable, and the substantial…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Kaizhen Zhu , Mokai Pan , Zhechuan Yu , Jingya Wang , Jingyi Yu , Ye Shi

Text-based diffusion models have made significant breakthroughs in generating high-quality images and videos from textual descriptions. However, the lengthy sampling time of the denoising process remains a significant bottleneck in…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Shangwen Zhu , Han Zhang , Zhantao Yang , Qianyu Peng , Zhao Pu , Huangji Wang , Fan Cheng

Recent development in wireless communications has provided many reliable solutions to emergency response issues, especially in scenarios with dysfunctional or congested base stations. Prior studies on underwater emergency communications,…

网络与互联网体系结构 · 计算机科学 2023-05-03 Zhengrui Huang , Shujie Wang

Providing uplink high data rate is one of the big concerns in visible light communication (VLC) systems. This paper introduces an uplink VLC system based on an infrared transmitter with beam steering to provide high data rates. In this…

信号处理 · 电气工程与系统科学 2019-10-16 Osama Zwaid Alsulami , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

Active transport such as fluid flow is sought in molecular communication to extend coverage, improve reliability, and mitigate interference. Flow models are often over-simplified, assuming one-dimensional diffusion with constant drift.…

新兴技术 · 计算机科学 2024-10-30 Wayan Wicke , Tobias Schwering , Arman Ahmadzadeh , Vahid Jamali , Adam Noel , Robert Schober

In this paper the secure performance for the visible light communication (VLC) system with multiple eavesdroppers is studied. By considering the practical amplitude constraint instead of an average power constraint in the VLC system, the…

信号处理 · 电气工程与系统科学 2019-10-17 Xiaodong Liu , Yuhao Wang , Fuhui Zhou , Zhenyu Deng , Rose Qingyang Hu

We examine the ability of machine learning (ML) and deep learning (DL) algorithms to infer surface/ground exchange flux based on subsurface temperature observations. The observations and fluxes are produced from a high-resolution numerical…

机器学习 · 计算机科学 2022-01-04 Mohammad A. Moghaddam , Ty P. A. Ferre , Xingyuan Chen , Kewei Chen , Mohammad Reza Ehsani