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DECELERATION: 作品数：84被引量：102H指数：5; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：安巍卢江时开斌刘昭度刘凯更多>>; 相关机构：北京理工大学南京航空航天大学中国农业科学院特产研究所东南大学更多>>; 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高技术研究发展计划中国航空科学基金更多>>

On the optimality of uniform velocity-deceleration separation scheme for tethered satellite systems: 《Control Theory and Technology》2024年第4期503-516,共14页Peng Yu Ji-Feng Zhang Shuping Tan Jin Guo Yanlong Zhao; supported by the National Key R&D Program of China(2018YFA0703800);the National Natural Science Foundation of China(62173030);the Beijing Natural Science Foundation(4222050).; For mitigating the libration angle fluctuation of the tethered satellite system,this paper discusses how to make the uniform velocity-deceleration separation scheme achieve the best effect.First,a judgment condition i...; 关键词：Tethered satellite systems Libration angle Uniform velocity-deceleration separation Neural network

Short Takeoff and Vertical Landing Aircraft Deceleration Transition Control Based on L1 Adaptive Control: 《Guidance, Navigation and Control》2024年第4期172-190,共19页Yifan Li Yuchun Zou Jian Ding Senlin Liu Ziyang Zhen; co-supported by the grant from the Fundamental Research Funds for the Central Universities(No.56XCA2402810);Science Center for Gas Turbine Project(P2022-B-V-002-001); Addressing the issues of nonlinearity,control redundancy and coupling,and system uncertainties in the deceleration transition process from level flight to hover in short takeoff and vertical landing(STOVL)aircraft,thi...; 关键词：Short takeoff and vertical landing aircraft deceleration transition process nonlinear incremental dynamic inversion L_(1)adaptive control ROBUSTNESS uncertainty

New electromagnetic variable flow device for slab continuous casting mold: mechanical design and magnetic field analysis: 《Journal of Iron and Steel Research International》2024年第11期2710-2726,共17页Xi-qing Chen Pu Wang Shun Liu Hong Xiao Lin-lin Lei Jia-quan Zhang; supported by the Science and Technology Talent Support Project of Hunan province in China(Grant No.2023TJ-Z14).; Obtaining a reasonable mold flow field for casting slabs with different sections is challenging by solely modifying the nozzle structure and continuous casting process. Research was conducted on small-sectioned (1000 ...; 关键词：Electromagnetic variable flow device Deceleration mode Acceleration mode Current frequency Installation position Rotation angle

Effect of speed humps on instantaneous traffic emissions in a microscopic model with limited deceleration capacity: 《Chinese Physics B》2024年第6期413-420,共8页胡宇晨李启朗刘军王君霞汪秉宏; funded by the National Natural Science Foundation of China (Grant No. 11875031);the key research projects of Natural Science of Anhui Provincial Colleges and Universities (Grant No. 2022AH050252)。; As a common transportation facility, speed humps can control the speed of vehicles on special road sections to reduce traffic risks. At the same time, they also cause instantaneous traffic emissions. Based on the clas...; 关键词：traffic emissions speed humps slow-to-start rules deceleration capacity

Fast efficient photon deceleration in plasmas by using two laser pulses at different frequencies: 《Matter and Radiation at Extremes》2024年第3期11-18,共8页Y.X.Wang X.L.Zhu S.M.Weng P.Li X.F.Li H.Ai H.R.Pan Z.M.Sheng; This work was supported by the National Natural Science Foundation of China(Grant Nos.11975154,12375236,12135009,and 12275249);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDA25050100)。; The generation of ultrashort high-power light sources in the mid-infrared(mid-IR)to terahertz(THz)range is of interest for applications in a number of fields,from fundamental research to biology and medicine.Besides c...; 关键词：laser ULTRASHORT PHOTON

Correlating Connected Vehicle Estimated Deceleration Events with Crash Incidents near Interstate Interchanges: 《Journal of Transportation Technologies》2023年第4期674-688,共15页Jairaj Desai Jijo K. Mathew Howell Li Justin Mukai Rahul Suryakant Sakhare Darcy M. Bullock; Historical roadway safety analyses have used labor and time-intensive crash data collection procedures. However, crash reporting is often delayed and crash locations are reported with varying levels of spatial accurac...; 关键词：Connected Vehicles Hard-Braking Crashes Safety DECELERATION

Laser chirp controlled relativistic few-cycle mid-infrared pulse generation: 《High Power Laser Science and Engineering》2023年第5期76-84,共9页Dongao Li Guobo Zhang Jie Zhao Yanting Hu Yu Lu Hao Zhang Qianni Li Dongze Zhang Rong Sha Fuqiu Shao Zhengming Sheng Tongpu Yu; This work was supported by the National Key Research and Development Program of China(No.2018YFA0404802);the National Natural Science Foundation of China(Nos.12005297,11875319,12135009,and 12275356);the Science and Technology Innovation Program of Hunan Province(No.2020RC4020);the Research Project of NUDT(No.ZK21-12);the Hunan Provincial Research and Innovation Foundation for Graduate Students(Nos.CX20200002,CX20200038,and CX20210062)。; Relativistic few-cycle mid-infrared(mid-IR)pulses are unique tools for strong-field physics and ultrafast science,but are difficult to generate with traditional nonlinear optical methods.Here,we propose a scheme to ge...; 关键词：chirp laser pulses laser wakefield photon deceleration relativistic mid-infrared generation

Roll gap prediction in acceleration and deceleration process of cold rolling based on a data-driven method: 《Journal of Iron and Steel Research International》2023年第5期1013-1021,共9页Yun-jian Hu Jie Sun Huai-tao Shi Qing-long Wang Jian-zhao Cao; supported by the National Natural Science Foundation of China(Grant Nos.U21A20117 and 52074085);the Liao Ning Revitalization Talents Program(XLYC1907065);Liao Ning Province Doctoral Initiation Fund(2022-BS-188);Open Research Fund from State Key Laboratory of Rolling and Automation(No.2021RALKFKT006).; Severe fluctuation of the effective roll gap in the acceleration and deceleration section of the cold rolling process is a significant factor causing thickness deviation.However,the conventional roll gap compensation ...; 关键词：Cold rolling ACCELERATION DECELERATION Roll gap model Extreme gradient boosting Contribution rate Analysis

Cosmological Inconstant, Supernovae 1a and Decelerating Expansion: 《Journal of Modern Physics》2023年第5期692-721,共30页Russell Bagdoo; In 1998, two groups of astronomers, one led by Saul Perlmutter and the other by Brian Schmidt, set out to determine the deceleration—and hence the total mass/energy—of the universe by measuring the recession speeds ...; 关键词：Variable Cosmological Constant SN1a Dark Energy Catastrophe Theory of Relation Deceleration of the Expansion PVLAS Experiment Tired Light Centrist Principle

An Investigation of Bubble Motion in the Fluidic Oscillator: 《Journal of Ocean University of China》2023年第2期459-468,共10页BIE Haiyan XUE Licheng LI Yulong LI Yunxia LIN Zixin AN Weizhong; This work was supported by the National Natural Science Foundation of China(No.22178329);the Taishan Scholars Program,the Shandong Provincial Natural Science Foundation(Nos.ZR2020ME175,ZR2020QE192);the Fundamental Research Funds for the Central Universities(No.202165002).; Enhanced gas-liquid mass transfer is significant for the desulfurization and denitration of ship exhaust gases.As a fluid device,the special structure of the fluidic oscillator generates self-excited oscillations that...; 关键词：fluidic oscillator BUBBLE DECELERATION deformation ratio

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