中文
相关论文

相关论文: Parallelization Strategies for ALI Radiative Trans…

200 篇论文

In this paper, a transmission protocol is studied for a two relay wireless network in which simple repetition coding is applied at the relays. Information-theoretic achievable rates for this transmission scheme are given, and a space-time…

信息论 · 计算机科学 2016-11-17 Yijia Fan , Chao Wang , John Thompson , H. Vincent Poor

Context. The numerical modeling of the generation and transfer of polarized radiation is a key task in solar and stellar physics research and has led to a relevant class of discrete problems that can be reframed as linear systems. In order…

太阳与恒星天体物理 · 物理学 2021-12-08 Gioele Janett , Pietro Benedusi , Luca Belluzzi , Rolf Krause

The Simplex tableau has been broadly used and investigated in the industry and academia. With the advent of the big data era, ever larger problems are posed to be solved in ever larger machines whose architecture type did not exist in the…

分布式、并行与集群计算 · 计算机科学 2019-05-29 Demetrios Coutinho , Felipe O. Lins e Silva , Daniel Aloise , Samuel , Xavier-de-Souza

Numerical methods for radiative transfer play a key role in modern-day astrophysics and cosmology, including study of the inhomogeneous reionization process. In this context, ray tracing methods are well-regarded for accuracy but notorious…

天体物理仪器与方法 · 物理学 2025-12-16 Nathan X. Marshak , Kathlynn Simotas , Zarija Lukić , Hyunbae Park , James Ahrens , Chris R. Johnson

Space-division multiplexing optical fibers can provide not only parallel channel transmission but also parallel distributed signal processing, being this a feature particularly attractive in Microwave Photonics applications. We present here…

信号处理 · 电气工程与系统科学 2019-12-25 Sergi Garcia , Ruben Guillem , Ivana Gasulla

Recent feed-forward neural methods of arbitrary image style transfer mainly utilized encoded feature map upto its second-order statistics, i.e., linearly transformed the encoded feature map of a content image to have the same mean and…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Jeong-Sik Lee , Hyun-Chul Choi

We extend our framework for 3D radiative transfer calculations with a non-local operator splitting methods along (full) characteristics to spherical and cylindrical coordinate systems. These coordinate systems are better suited to a number…

天体物理仪器与方法 · 物理学 2015-05-13 Peter H. Hauschildt , E. Baron

The rapid advancement in Large Language Models has been met with significant challenges in their training processes, primarily due to their considerable computational and memory demands. This research examines parallelization techniques…

分布式、并行与集群计算 · 计算机科学 2024-05-27 Ishan Patwardhan , Shubham Gandhi , Om Khare , Amit Joshi , Suraj Sawant

Coupled atomistic-continuum methods can describe large domains and model dynamic material behavior for a much lower computational cost than traditional atomistic techniques. However, these multiscale frameworks suffer from wave reflections…

介观与纳米尺度物理 · 物理学 2022-08-19 Alexander S. Davis , Vinamra Agrawal

A major challenge of today's quantum communication systems lies in the transmission of quantum information with high rates over long distances in the presence of unavoidable losses. Thereby the achievable quantum communication rate is…

量子物理 · 物理学 2012-08-22 Andreas Christ , Cosmo Lupo , Christine Silberhorn

The main disadvantage of Magnetic Resonance Imaging (MRI) are its long scan times and, in consequence, its sensitivity to motion. Exploiting the complementary information from multiple receive coils, parallel imaging is able to recover…

数值分析 · 计算机科学 2017-03-07 Martin Uecker

A recent proposal to connect the loop quantization with the spin foam model for cosmology via the path integral is hereby adapted to the case of mechanical systems within the framework of the so called polymer quantum mechanics. The…

广义相对论与量子宇宙学 · 物理学 2017-03-31 Hugo A. Morales-Técotl , Saeed Rastgoo , Juan C. Ruelas

Analog signals processed in digital hardware are quantized into a discrete bit-constrained representation. Quantization is typically carried out using analog-to-digital converters (ADCs), operating in a serial scalar manner. In some…

信息论 · 计算机科学 2019-10-22 Alejandro Cohen , Nir Shlezinger , Salman Salamatian , Yonina C. Eldar , Muriel Médard

The polarization transfer coefficients of a relativistic magnetized plasma are derived. These results apply to any momentum distribution function of the particles, isotropic or anisotropic. Particles interact with the radiation either in a…

高能天体物理现象 · 物理学 2015-06-12 Jean Heyvaerts , Christophe Pichon , Simon Prunet , Jerome Thiebaut

This paper presents a comparative analysis of distributed training strategies for large-scale neural networks, focusing on data parallelism, model parallelism, and hybrid approaches. We evaluate these strategies on image classification…

分布式、并行与集群计算 · 计算机科学 2025-04-01 Vishnu Vardhan Baligodugula , Fathi Amsaad

We study the allocation strategies for redundant components in the load-sharing series/parallel systems. We show that under the specified assumptions, the allocation of a redundant component to the stochastically weakest (strongest)…

应用统计 · 统计学 2016-02-18 Maxim Finkelstein , Nil Kamal Hazra

The implicit 2D3V particle-in-cell (PIC) code developed to study the interaction of ultrashort pulse lasers with matter [G. M. Petrov and J. Davis, Computer Phys. Comm. 179, 868 (2008); Phys. Plasmas 18, 073102 (2011)] has been parallelized…

等离子体物理 · 物理学 2016-08-24 George M. Petrov , Jack Davis

This chapter is a pedagogical review of methods and results for studying wave propagation in one-dimensional complex structures. We describe and compare the tight-binding, scattering matrix, transfer matrix and Riccati formalisms. We…

光学 · 物理学 2012-11-02 Eric Akkermans , Gerald Dunne , Eli Levy

Parallel transport is an important step in many discrete algorithms for statistical computing on manifolds. Numerical methods based on Jacobi fields or geodesics parallelograms are currently used in geometric data processing. In this last…

微分几何 · 数学 2018-05-30 Xavier Pennec

With the growing complexity and capability of contemporary robotic systems, the necessity of sophisticated computing solutions to efficiently handle tasks such as real-time processing, sensor integration, decision-making, and control…

机器人学 · 计算机科学 2025-09-09 Md Rafid Islam