EXCITATIONS

作品数:168被引量:234H指数:7
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相关领域:理学更多>>
相关机构:江西农业大学安徽大学吉林大学更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金河北省自然科学基金更多>>
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Structural Modal Parameter Recognition and Related Damage Identification Methods under Environmental Excitations: A Review
《Structural Durability & Health Monitoring》2025年第1期25-54,共30页Chao Zhang Shang-Xi Lai Hua-Ping Wang 
supported by the Innovation Foundation of Provincial Education Department of Gansu(2024B-005);the Gansu Province National Science Foundation(22YF7GA182);the Fundamental Research Funds for the Central Universities(No.lzujbky2022-kb01)。
Modal parameters can accurately characterize the structural dynamic properties and assess the physical state of the structure.Therefore,it is particularly significant to identify the structural modal parameters accordi...
关键词:Structural health monitoring data information modal parameters damage identification AI method 
Magnon, doublon and quarton excitations in 2D S=1/2 trimerized Heisenberg models
《Frontiers of physics》2024年第6期139-156,共18页Yue-Yue Chang Jun-Qing Cheng Hui Shao Dao-Xin Yao Han-Qing Wu 
We investigate the magnetic excitations of the two-dimensional(2D)S=1/2 trimerized Heisenberg models with intratrimer interaction J_(1) and inter-trimer interaction J_(2) on four different lattices using a combination...
关键词:quantum Monte Carlo trimerized Heisenberg model 
A new method for deriving broad-band polar motion geodetic excitations
《Geodesy and Geodynamics》2024年第5期453-464,共12页Wei Chen Jiesi Luo Jim Ray Jiancheng Li 
supported by the National Natural Science Foundation of China(grant numbers 41874025 and 41474022)。
While the geodetic excitationχ(t)of polar motion p(t)is essential to improve our understanding of global mass redistributions and relative motions with respect to the terrestrial frame,the widely adopted method to de...
关键词:Earth rotation Polar motion Geodetic excitation Liouville's equation Mat Lab 
Experimental research on affecting factors of the cutting quality of sugarcane harvesters under complicated excitations
《International Journal of Agricultural and Biological Engineering》2024年第5期176-192,共17页Hanning Mo Shaochun Ma Chen Qiu Zhimin Huang Shangping Li 
supported by the Middle-aged and Young Teachers'Basic Scientific Research Ability Promotion Project of Guangxi Universities,China(Grant No.2023KY0701);Wuzhou University Research Foundation for Advanced Talents,China(Grant No.WZUQDJJ17195);Key University-level Scientific Research Project of Wuzhou University,China(Grant No.2020B003);Middle-aged and Young Teachers'Basic Scientific Research Ability Promotion Project of Guangxi Universities,China(Grant No.2024KY0697);Wuzhou University Research Foundation for Advanced Talents,China(Grant No.WZUQDJJ17179);Major Special Project of Guangxi Sugarcane Science and Technology in the 14th Five-year Plan,China(Grant No.2022AA01010);the general program of the National Natural Science Foundation Project,China(Grant No.32071916);a horizontal technical service project of the Zhenkang Professor Workstation,Yunnan,China;the Double First-class Discipline Construction Project:Mechanized sugarcane harvesting equipment development of Zhenkang,Yunnan,China;the first universitydirectlyunder-Education-Ministry-served innovative rural revitalization test project:the China-Agricultural-University-served innovative Bangdong Village revitalization test plan,mechanizedsugarcaneharvesting assistant rural revitalization in hilly areas,Zhenkang,Yunnan,China;the Portable Sugarcane Harvester Research and Development,China(Grant No.NK2022160504);the 2115 Talent Development Program of China Agricultural University;Guangxi Science and Technology Project,China(Grant No.Guike AA22117007);Guangxi Science and Technology Project,China(Grant No.Guike AA22117005);Guangxi Special Project of Science Technology Bases and Talents,China(Grant No.Guike AD23026033);the Opening Project of Guangxi Key Laboratory of Advanced Microwave Manufacturing Technology,China(Grant No.2024GKLAMMTKFKT001).
The sugarcane field excitation,cutting forces and the engine excitation constitute complicated excitations acting on sugarcane harvesters.In this study,the sugarcane cutting mechanism under complicated excitations was...
关键词:sugarcane harvester cutting quality complicated excitations experimental research theoretical analysis 
Ground states and first radial excitations of vector tetraquark states with explicit P-waves via QCD sum rules
《Chinese Physics C》2024年第10期40-47,共8页Zhi-Gang Wang 
Supported by the National Natural Science Foundation of China(12175068)。
In this study,we chose the diquark-antidiquark type four-quark cuents with an explicit P-wave betweenthe diquark and antidiquark pairs to study the ground states and first radial exeitations of the hidden-charm tetra....
关键词:tetraguark state QCD sum rules 
Atom-field dynamics in curved spacetime
《Frontiers of physics》2024年第5期1-34,共34页Syed Masood A.S.Bukhari Li-Gang Wang 
supported by the National Natural Science Foundation of China(NSFC)(Grant No.11974309);SMASB acknowledges financial support from China Scholarship Council at Zhejiang University.
Some aspects of atom-field interactions in curved spacetime are reviewed.Of great interest are quantum radiative and entanglement processes arising out of Rindler and black hole spacetimes,which involve the role of Ha...
关键词:atom-field interactions general relativity Minkowski and curved spacetime quantum field theory in curved spacetime light-matter interactions spontaneous excitations 
Neutrinos Described as Vacuum Energy Excitations Predict Observed Neutrino Mass Sum
《Journal of Modern Physics》2024年第12期1999-2006,共8页T. R. Mongan 
Reliable observations find only three neutrino mass eigenstates, oscillating between each other as neutrinos travel through space, and limit the sum of the three neutrino masses. At a minimum, any reliable description...
关键词:Neutrino Mass Sum Prediction Electron Neutrino Mass from Vacuum Energy Density 
Torque effect on vibration behavior of high-speed train gearbox under internal and external excitations
《Railway Engineering Science》2024年第2期229-243,共15页Yue Zhou Xi Wang Hongbo Que Rubing Guo Xinhai Lin Siqin Jin Chengpan Wu Yu Hou 
The authors are grateful for the financial support from the National Key Research and Development Program of China(Grant No.2021YFB3400701);the Fundamental Research Funds for the Central Universities(Science and technology leading talent team project,Grant No.2022JBQY007).
The high-speed train transmission system,experiencing both the internal excitation originating from gear meshing and the external excitation originating from the wheel-rail interaction,exhibits complex dynamic behavio...
关键词:High-speed train GEARBOX Bench test Vibration behavior Modal identification 
Adaptive observer-based integral event-triggered antivibration control of a full aircraft active landing gear system with irregular runway excitations
《Science China(Information Sciences)》2024年第6期244-257,共14页Wenxiao HU Chenglong DU Fanbiao LI Xinmin CHEN Chunhua YANG Weihua GUI 
supported by National Natural Science Foundation of China(Grant Nos.62303492,61973319);National Science Fund for Excellent Young Scholars of China(Grant No.62222317);Postdoctoral Fellowship Program of CPSF(Grant Nos.BX20230430,2023M733940);Science and Technology Major Project of Hunan Province(Grant No.2021GK1030);Key R&D Plan of Hunan Province(Grant No.2023GK2023);Science and Technology Innovation Program of Hunan Province(Grant No.2022WZ1001);Natural Science Foundation of Hunan Province(Grant No.2023JJ40765);Natural Science Foundation of Changsha(Grant No.kq2208287)。
This study addresses the antivibration issue of a full aircraft active landing gear system(LGS)under landing impact and runway excitations via a novel adaptive observer-based integral event-triggered control method.Fi...
关键词:aircraft active landing gear antivibration control integral event-triggered mechanism adaptive observer L_2-stability 
Dynamic Analysis of Chlorophyll a Fluorescence in Response to Time-Variant Excitations during Strong Actinic Illumination and Application in Probing Plant Water Loss
《Plant Phenomics》2024年第1期184-194,共11页Junqing Chen Ya Guo Jinglu Tan 
supported by the US National Science Foundation under Grant No.1903716;supported by the National Natural Science Foundation of China GrantNo.51961125102.
Magnitude measurement of chlorophyll a fluorescence(ChIF)involves challenges,and dynamic responses to variable excitations may offer an alternative.In this research,ChIF was measured during strong actinic light by usi...
关键词:ILLUMINATION EXCITATION FLUORESCENCE 
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