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EIGEN: 作品数：223被引量：356H指数：8; 导出分析报告; 相关领域：理学天文地球更多>>; 相关作者：李玉平张兴福范宏涛李家明陈绵书更多>>; 相关机构：同济大学清华大学中国铁路设计集团有限公司吉林大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金国家高技术研究发展计划更多>>

Eigen microstate analysis unveils climate dynamics: 《Science China(Physics,Mechanics & Astronomy)》2025年第4期91-100,共10页Hua Tu Shang Wang Jun Meng Yongwen Zhang Xiaosong Chen Deliang Chen Jingfang Fan; supported by the National Natural Science Foundation of China(Grant Nos.42450183,12275020,12135003,12205025,and42461144209);the National Key Research and Development Program of China(Grant No.2023YFE0109000);supported by the Fundamental Research Funds for the Central Universities。; The Earth's climate operates as a complex,dynamically interconnected system,driven by both anthropogenic and natural forcings and modulated by nonlinear interactions and feedback loops.This study employs a theoretical...; 关键词：statistical physics nonlinear dynamics complex systems climate change

Physical mechanisms of human brain functions: 《Quantitative Biology》2025年第1期1-27,共27页Zonghua Liu; National Natural Science Foundation of China,Grant/Award Numbers:11835003,12175070;STI2030-Major Projects,Grant/Award Number:2021ZD0202600。; In recent years,exploring the physical mechanisms of brain functions has been a hot topic in the fields of nonlinear dynamics and complex networks,and many important achievements have been made,mainly based on the cha...; 关键词：chimera states eigenmode analysis network synchronization remote firing propagation remote synchronization

An effective method for quantification,visualization,and analysis of 3D cell shape during early embryogenesis: 《Quantitative Biology》2025年第1期113-126,共14页Zelin Li Zhaoke Huang Jianfeng Cao Guoye Guan Zhongying Zhao Hong Yan; Embryogenesis is the most basic process in developmental biology.Effectively and simply quantifying cell shape is challenging for the complex and dynamic 3D embryonic cells.Traditional descriptors such as volume,surfa...; 关键词：Caenorhabditis elegans(C.elegans) cell shape quantification eigen features(eigengrid eigenharmonic&eigenspectrum) lineage analysis morphological reproducibility spherical harmonics(SPHARM)

Eigenvalue-Free Interval for Seidel Matrices of Cographs: 《Journal of Mathematical Research with Applications》2025年第1期1-10,共10页Heming NIU Wei WANG; Supported by the National Natural Science Foundation of China(Grant No.12001006);the Natural Science Foundation of Universities of Anhui Province(Grant No.2023AH050904).; The distribution of Seidel eigenvalues of cographs is investigated in this paper.We prove that there is no Seidel eigenvalue of nontrivial cographs in the interval(−1,1).We also show the optimality of the interval(−1,...; 关键词：COGRAPH Seidel matrix eigenvalue-free interval

Wave Attenuation due to Stratified Porous Structure with Stepped Seabed: 《哈尔滨工程大学学报(英文版)》2024年第4期844-866,共23页Ashna Varghese K.R.Athul Krishna D.Karmakar; Science and Engineering Research Board(SERB),Department of Science&Technology(DST),Government of India for supporting financially under the research grant No.CRG/2018/004184;Ministry of Ports,Shipping and Waterways,Government of India through the research grant No.DW/01013(13)/2/2021.; The wave interaction with stratified porous structure combined with a surface-piercing porous block in a stepped seabed is analysed based on the small amplitude wave theory.The study is performed to analyse the effect...; 关键词：Stratified porous structure Surface-piercing Porous block Stepped seabed Eigenfunction expansion method Wave force

Exploring multiple phases and first-order phase transitions in Kármán Vortex Street: 《Science China(Physics,Mechanics & Astronomy)》2024年第11期47-54,共8页Xu Li Xing Xiang Tingting Xue Limin Wang Xiaosong Chen; supported by the National Natural Science Foundation of China (Grant No.12135003)。; Kármán Vortex Street, a fascinating phenomenon of fluid dynamics, has intrigued the scientific community for a long time. Many researchers have dedicated their efforts to unraveling the essence of this intriguing fl...; 关键词：Kármán Vortex Street first-order phase transition eigen microstate approach renormalization group theory of eigen microstate

Establishment of a Geometric Geoid Model and Evaluation of the EGM2008 and EIGEN-6CA Models over the Dakar-Thies-Mbour Triangle in Senegal: 《International Journal of Geosciences》2024年第11期927-939,共13页Diogoye Diouf Moustapha Gning Tine Sokhna Mou Mapeinda Gueye Serigne Saliou Fall; High-accuracy geoid determination is an essential goal that many groups of scientists and countries are striving to achieve. Techniques for determining geoid models have evolved over time. Unfortunately, this all-impo...; 关键词：Model GEOID Geometric Levelling GNSS UNDULATION EGM2008 EIGEN-6CA

Experimental validation for high-order vector-eigenmode decomposition with polarization characteristics: 《Chinese Optics Letters》2024年第11期13-17,共5页Huihui Zhao Siyan Wang Yancheng Huang Wei Chen Fufei Pang Xianglong Zeng; supported by the National Natural Science Foundation of China (Nos.12274281,U2241237,and 62275148);the Open Research Fund of State Key Laboratory of Advanced Optical Communication Systems and Networks,Shanghai Jiao Tong University (No.2023GZKF021);the Jiangsu Provincial Industry Outlook and Key Core Technologies Key Projects (No.BE2022055-4);111 Project (No.D20031)。; Vector vortex beams(VVBs) have attracted considerable attention due to their unique polarization distribution and helical phase wavefront. We first attempt to retrieve the modal coefficients of hybrid VVBs measured by...; 关键词：vector eigenmode polarization characteristics mode decomposition deep learning SPGD algorithm.

Noise-induced phase transition in the Vicsek model through eigen microstate methodology: 《Chinese Physics B》2024年第9期327-338,共12页Yongnan Jia Jiali Han Qing Li; the National Natural Science Foundation of China(Grant No.62273033).; This paper presents a comprehensive framework for analyzing phase transitions in collective models such as theVicsek model under various noise types. The Vicsek model, focusing on understanding the collective behavior...; 关键词：Vicsek model phase transitions eigen microstate method noise

基于重力模型阶次自适应的实时重力补偿系统研究: 《导航定位与授时》2024年第4期55-64,共10页朱宏堡田野严恭敏李四海刘中平; 重力扰动已成为高精度惯性导航系统的一项主要误差源,对其进行补偿可进一步提升导航精度。通过EIGEN-6C4重力场模型可计算全球范围内的重力扰动,模型阶次越高,计算结果越精确,但相应的计算量和存储量越大,在传统的导航计算机上使用高阶...; 关键词：实时重力补偿 EIGEN-6C4重力场模型惯性导航系统嵌入式系统

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