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Generation and propagation characteristics of electromagnetic vortices in radio frequency被引量：2
《Photonics Research》2016年第5期9-13,共5页Shilie Zheng Weite Zhang Zhuofan Zhang Xiaofeng Jin Hao Chi Xianmin Zhang 
National Natural Science Foundation of China(NSFC)(61371030,61571391);National Basic Research Program of China(973 program)(2014CB340005)
Electromagnetic vortices, which describe the orbital angular momentum(OAM) carrying waves with a helical phase front, have recently attracted much interest in a radio frequency domain due to their potential applicatio...
关键词：OAM Generation and propagation characteristics of electromagnetic vortices in radio frequency 
Advances in communications using optical vortices被引量：67
《Photonics Research》2016年第5期14-28,共15页Jian Wang 
National Basic Research Program of China(973Program)(2014CB340004);National Natural Science Foundation of China(NSFC)(11274131,11574001,61222502);National Program for Support of Top-Notch Young Professionals;Program for New Century Excellent Talents in University(NCET)(NCET-11-0182);Wuhan Science and Technology Plan Project(2014070404010201);Open Program from State Key Laboratory of Advanced Optical Communication Systems and Networks(2016GZKF0JT007);Open Projects Foundation of Yangtze Optical Fiber and Cable Joint Stock Limited Company(YOFC)(SKLD1504)
An optical vortex having an isolated point singularity is associated with the spatial structure of light waves.A polarization vortex(vector beam) with a polarization singularity has spatially variant polarizations. A ...
关键词：OAM MODE Advances in communications using optical vortices 
Competition of the multiple Grtler modes in hypersonic boundary layer flows被引量：6
《Science China(Physics,Mechanics & Astronomy)》2014年第6期1178-1193,共16页REN Jie FU Song 
supported by the National Natural Science Foundation of China(Grant Nos.10932005 and 11202115)
Competition of multiple Gortler modes in hypersonic boundary layer flows are investigated with the local and marching methods. The wall-layer mode （mode W） and the trapped-layer mode （mode T） both occur in the com...
关键词：Gortler vortices linear stability theory multiple modes local analysis marching analysis 
自由旋转卷弧翼弹箭的气动特性数值分析被引量：1
《哈尔滨工业大学学报》2023年第12期113-122,共10页周文涛 常思江 
瞬态冲击技术重点实验室基金(6142606183107)。
为深入研究自由旋转卷弧尾翼弹箭的气动特性,利用计算流体力学方法及滑移网格技术对卷弧翼弹箭开展了时间精确非定常数值模拟。通过与文献对比的方式验证了模拟方法的有效性;分别利用网格无关性和时间步数无关性检验,确定出合适的网格...
关键词：卷弧翼 弹箭 自由旋转 涡 计算流体力学 气动特性 
Experimental and computational investigation of transonic speed被引量：2
《Chinese Journal of Aeronautics》2021年第1期32-43,共12页Yang TAO Neng XIONG Xiaobing WANG Jun LIN Zhiyong LIU Shang MA Junqiang WU 
supported by the National Natural Science Foundation of China(No.11372337)。
The influence of the wing-tip vortex of leading aircraft on energy savings,quantified by formation aerodynamic force fraction of the following aircraft,is studied at transonic speed for a matrix of leading aircraft’s...
关键词：CFD Formation flight Surfing aircraft vortices Wake vortex Wind tunnel test 
Local Scour Mechanisms and Prediction Methods Around Offshore Wind Turbine Foundations:Insights and Future Directions
《Journal of Ocean University of China》2024年第5期1248-1262,共15页YANG Qi HU Ruigeng YU Peng ZHANG Peng XU Zhongqian XU Mengzhen 
financially supported by the National Natural Science Foundation of China(No.52301326);the China Postdoctoral Science Foundation(No.2023M731999);the Open Foundation of the Key Laboratory of Coupling Process and Effect of Natural Resources Elements(No.2024KFKT017).
Local scour around offshore wind turbine foundations presents a considerable challenge due to its potential influence on structural stability,driven by hydrodynamic forces.While research has made strides in comprehend...
关键词：local scour offshore wind turbine foundations wave-current actions sediment transport multiscale vortices numerical modeling 
Decay of Vortices in an Electrically Conducting Fluid in the Presence of a Magnetic Field
《Engineering（科研）》2011年第12期1207-1212,共6页Motahar Reza Satyaban Panigrahi Anadi Sankar Gupta 
The decay of vortices in flows of an electrically conducting fluid in the presence of a magnetic field is studied. Two flow configurations are considered: 1) flow in a double array of vortices;2) flow behind a two-dim...
关键词：DECAY of VORTICES MAGNETOHYDRODYNAMICS 
Dissipative gap solitons and vortices in moiré optical lattices
《National Science Open》2024年第6期139-151,共13页Li Wang Zhenya Yan Yi Zhu Jianhua Zeng 
supported by the National Natural Science Foundation of China(NSFC)(12074423,11925108,12301306);the Young Scholar of Chinese Academy of Sciences in western China(XAB2021YN18);the Provisional Science Fund for Distinguished Young Scholars of Shaanxi(2024JC-JCQN-11);the Beijing Natural Science Foundation(1234039).
Considerable attention has been recently paid to elucidation the linear,nonlinear and quantum physics of moire patterns because of the innate extraordinary physical properties and potential applications.Particularly,m...
关键词：moire optical lattices dissipative gap solitons and vortices localization-delocalization transition dissipation and gain self-defocusing nonlinearity 
Creation of topological vortices using Pancharatnam-Berry phase liquid crystal holographic plates被引量：1
《Chinese Physics B》2020年第4期89-93,共5页Xuyue Guo Jinzhan Zhong Peng Li Bingyan Wei Sheng Liu Jianlin Zhao 
Project supported by the National Natural Science Foundation of China(Grant Nos.11634010,91850118,11774289,61675168,and 11804277);the National Key Research and Development Program of China(Grant No.2017YFA0303800);the Joint Fund of the National Natural Science Foundation of China and the China Academy of Engineering Physics(Grant No.U1630125);the Fundamental Research Funds for the Central Universities,China(Grant Nos.3102018zy036,3102019JC008,and 310201911cx022)。
Recently,physical fields with topological configurations are evoking increasing attention due to their fascinating structures both in fundamental researches and practical applications.Therein,topological light fields,...
关键词：TOPOLOGICAL VORTICES Pancharatnam-Berry PHASE liquid crystal PHASE SINGULARITY HOLOGRAM 
Optical vortex copier and regenerator in the Fourier domain被引量：7
《Photonics Research》2018年第6期641-646,共6页XIAODONG QIU FANGSHU LI HAIGANG LIU XIANFENG CHEN LIXIANG CHEN 
National Natural Science Foundation of China(NSFC)(11474238,11734011,91636109);Fundamental Research Funds for the Central Universities at Xiamen University(20720160040);Natural Science Foundation of Fujian Province(2015J06002);Program for New Century Excellent Talents in University(NCET)(NCET-13-0495);National Key R&D Program of China(2017YFA0303700)
The generation and manipulation of optical vortices are of fundamental importance in a variety of promising applications. Here, we develop a nonlinear optical paradigm to implement self- and cross-convolution of optic...
关键词：Optical vortices Harmonic generation and mixing Nonlinear optical signal processing 
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