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DISPERSION: 作品数：1098被引量：1698H指数：14; 导出分析报告; 相关领域：理学机械工程更多>>; 相关作者：董祥芝李向阳赵浙明李劲岳昆更多>>; 相关机构：清华大学中国石油大学（北京）中北大学吉林大学更多>>; 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中国博士后科学基金广东省自然科学基金更多>>

Dispersion,attenuation,and bandgap of in-plane coupled Bloch waves in piezoelectric semiconductor phononic crystal with PN junction: 《Applied Mathematics and Mechanics(English Edition)》2025年第5期813-830,共18页Zibo WEI Peijun WEI Chunyu XU Xiao GUO; Project supported by the National Natural Science Foundation of China(Nos.11872105,12072022,11911530176,and 12202039)。; In this paper,the dispersion,attenuation,and bandgap characteristics of in-plane coupled Bloch waves in one-dimensional piezoelectric semiconductor(PSC)phononic crystals are investigated,emphasizing the influence of p...; 关键词：piezoelectric semiconductor(PSC) phononic crystal positive-negative(PN)junction dispersion and attenuation carrier field transfer matrix

Density waves of vortex fluids on a sphere: 《Communications in Theoretical Physics》2025年第4期159-166,共8页Yanqi Xiong Zhijun Zou Liang Luo; supported by the Scientific research projects of Hunan Provincial Department of Education(Grant Nos.22A0477 and 20B273)。; We aim to find one highly nontrivial example of the solutions to the vortex fluid dynamical equation on the unit sphere(S^(2))and compare it with the numerical simulation.Since the rigid rotating steady solution for v...; 关键词：quantum vortex 2D sphere SUPERFLUID density wave dispersion ome

Adaptive Dispersion Estimation for Linearized Electronic Dispersion Compensation in IM-DD Systems: 《China Communications》2025年第4期55-64,共10页Huo Jiahao Tao Jianlong Zhang Xiaoying Zhu Jin Qin Peng Wei Huangfu; funded by the National Natural Science Foundation of China NSFC,U22A2005 and 62201033;theYoung Elite Scientists Sponsorship Program of CIC 2021QNRC001。; An adaptive dispersion estimation(ADE)is proposed to compensate dispersion and estimate the transfer function of the fiber channel with GerchbergSaxton(G-S)algorithm,using the stochastic gradient descent(SGD)method in...; 关键词：chromatic dispersion digital signal process intensity modulation and direct detection

Deformation Monitoring of the Embankments Using Multitemporal InSAR:a Case Study of the Kangshan Embankment: 《Journal of Geodesy and Geoinformation Science》2025年第1期12-29,共18页XIONG Jiacheng HE Xiufeng Alfred STEIN YU Juanjuan CHANG Ling; National Natural Science Foundation of China(No.41830110);National Key Research Development Program of China(No.2018YFC1503603);State Scholarship Fund from the Chinese Scholarship Council(No.202206710096);Project of China Railway Corporation(No.2021-key-14,2021-major-08);The Joint Planning of Technology and Water Conservancy of Jiangxi Province(No.2022KSG01009).; River embankments are designed to defend against floods over coastal and riparian areas.It is important to early detect unexpected damages on embankments before they exacerbate.To continuously monitor the stability of...; 关键词：EMBANKMENT amplitude difference dispersion slope deformation INSAR Sentinel-1

Bound state noise-like pulses generation from composite filtering effects: 《Optoelectronics Letters》2025年第3期142-148,共7页CHANG Qingyu ZHANG Caishi; supported by the Research Fund of Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic Technology(No.2020B1212030010)。; This paper demonstrated the generation of multi-wavelength bound state noise-like pulse(BNLP)in a dispersion-managed composite-filtered fiber laser consisting of nonlinear polarization rotation(NPR)and loop.In the cas...; 关键词：comb filtering effect nonlinear polarization composite filtering dispersion managed fiber laser bound state level low coherence pulses artificially controlled nonlinear polarization rotation

Marine dispersion of Fukushima-derived radiocesium in the North Pacific and its implications: 《Science China Earth Sciences》2025年第2期389-406,共18页Tong ZHANG Xiaolin HOU Yukun FAN; supported by the National Natural Science Foundation of China (Grant No. 22341603);the Key Deployment Project of the Chinese Academy of Sciences (CAS) (Grant No. ZDBS-SSW-DQC003);the Sinoforeign Joint Research Unit Project of the Bureau of International Cooperation, CAS (Grant No. 132B61ZYLH20230013);the Natural Science Basic Research Program of Shaanxi (Grant No. 2024JC-YBQN-0308);the Open Fund Project of the State Key Laboratory of Loess and Quaternary Geology (Grant No. SKLLQG2306)。; A key scientific approach to addressing the environmental radiation risks from Fukushima nuclear contaminated water(FNCW) discharge into the ocean is understanding and predicting the marine dispersion of radionuclides...; 关键词：Fukushima nuclear accident Fukushima nuclear contaminated water Marine dispersion Mode water Kuroshio Extension

Mechanism of material removal and chip formation of alumina dispersion strengthened copper in micro-milling: 《Frontiers of Mechanical Engineering》2025年第1期27-43,共17页Chang LIU Chunya WU Xiguang LI Bo HOU Jiahao WU Ruijiang SUN Mingjun CHEN; supported by the National Key R&D Program of China(Grant No.2023YFC2413303);the National Natural Science Foundation of China(Grant No.52075128);the Natural Science Foundation of Heilongjiang Province,China(Grant No.YQ2020E013).; Alumina dispersion-strengthened copper (ADSC), as a representative particle-reinforced metal matrix composite (PRMMC), exhibits superior wear resistance and high strength. However, challenges arise in their processabi...; 关键词：alumina dispersion-strengthened copper particle-reinforced metal matrix composites material removal mechanism MICRO-MILLING chip formation minimum uncut chip thickness

The Design and Optimization of Optical Fibers for High-Speed Data Transmission: 《Journal of Materials Science and Chemical Engineering》2025年第1期87-92,共6页Junyao Zheng; This paper examines the design and optimization of optical fibers for high-speed data transmission, emphasizing advancements that maximize efficiency in modern communication networks. Optical fibers, core components o...; 关键词：Optical Fibers Quantum Communication DISPERSION Total Internal Reflection

Dispersions of two-photon and three-photon absorption in GaS films from 540 to 1600 nm: 《Chinese Optics Letters》2025年第1期102-106,共5页Yijie Wang Jinhong Liu Yanqing Ge Erkang Li Lili Zhao Chunhui Lu Yixuan Zhou Xinlong Xu; supported by the National Natural Science Foundation of China(Nos.12261141662 and 12074311);the 2023 Graduate Education Comprehensive Reform Research and Practice Project(No.ZG2023009)。; The development of nonlinear optical materials with strong multiphoton absorption(MPA)is crucial for the design of ultrafast nonlinear optical devices,such as optical limiters and all-optical switchers.In this study,w...; 关键词：GaS film multiphoton absorption two-photon absorption three-photon absorption DISPERSION

Effective lateral dispersion of momentum, heat and mass in bubbling fluidized beds: 《Frontiers of Chemical Science and Engineering》2024年第12期131-141,共11页Gabriel Gustafsson Guillermo Martinez Castilla David Pallares Henrik Strom; This work was financially supported by the Swedish Energy Agency through the Swedish Centre for Biomass Gasification(SFC,project number P34721-3).; The lateral dispersion of bed material in a bubbling fluidized bed is a key parameter in the prediction of the effective in-bed heat transfer and transport of heterogenous reactants,properties important for the succes...; 关键词：effective dispersion heat transfer mass transfer MIXING gas-solid fluidized bed

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