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提出了一种无需对目标物体进行预建模的迭代优化移动抓取规划方法.该方法通过点云相机在线对目标物体进行立体模型测量和建模,通过......
最地球物理的倒置能被认为是 multiparameter，非线性，并且 multiminimum 不连续的优化问题。一个适应混合全球倒置算法基于退火模仿，......
In last decades,topological materials[1-3]have attracted lots of research interest.Topological Kondo insulator(TKI)[4],a......
A new complex of melamine(MA) with benzoic acid(HBA) was prepared,affording [(HMA+)(BA-)]·2H2O. Each HBA molecule is de......
In this paper the carbon distribution in the carburized layer of 20CrMnTi steel was studied. The relationship between th......
Multi-parameter optimization design, numerical simulation and performance test of mixed-flow pump im
On the basis of the three-dimensional design platform of the mixed-flow pump impellers, an optimization design system wa......
The present study focuses on the analysis of free vibrations of axisymmetric functionally graded hollow spheres.The mate......
Tetrandrine inhibits activation of rat hepatic stellate cells in vitro via transforming growth facto
AIM: To investigate the effect of various concentrations of tetrandrine on activation of quiescent rat hepatic stellate ......
We applied the g CAP algorithm to determine239 focal mechanism solutions 3:0 M We 6:0T with records of dense Chin Array ......
Nicht-invasive Darstellung komplexer Perianaller Fistelgangsysteme mittels hochaufl sender MRT in3D-
Es ist das Ziel der vorliegenden Arbeit, in einem Sequenzvergleich bei Patienten mit perianalen Fisteln zu untersuchen,......
If the thickness of coal seams and the lithology of both roofs and floors of coal seams have not changed at all or only ......
Elastic wave inverse scattering theory plays an important role in parameters estimation of heterogeneous media.Combining......
We successfully employ an automatic centroid moment tensor(CMT) inversion system to infer the CMT solutions of the Febru......
The aim of this paper is to describe and analyse the behaviour of heart rate variability(HRV)during constant-load,high-i......
End member inversion of surface sediment grain size in the South Yellow Sea and its implications for
Four end members were inverted from surface sediment grain size data from the South Yellow Sea by using the end member(E......
Time series of sea surface temperature (SST),wind speed and significant wave height (SWH) from meteorological buoys of t......
The limitation of far region Fresnel-Kirchhoff formula in transient problem is discussed.Thecalculation of some example......
A fuzzy bidirectional flow is presented, which performs a fuzzy backward (inverse) diffusion along the gradient directio......
Clustering is an important method in the mobile Ad-hoc network (MANET). As a result of their mobility, the cluster selec......
Coordinated resource allocation to maximize the number of guaranteed users in OFDMA femtocell networ
In this paper, we optimize the downlink resource allocation in orthogonal frequency division multiple access(OFDMA) invo......
Flight controllers for micro-air UAVs are generally designed using proportional-integral-derivative (PID) methods,where ......
More and more high voltage direct current(HVDC) converters are being located in a load area in the Yangtze River Delta R......
Gas emission source term estimation with 1-step nonlinear partial swarm optimization-Tikhonov regula
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
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提出基于液压传动的可模拟波浪载荷之浮力摆式波浪能发电装置试验系统设计方案并介绍该系统的工作原理。通过数值模拟的方法进行浮......
本文根据对比分析理论和错误分析理论,分析了蒙古语授课生英语初学者的宾语和谓语的倒置错误.英语和汉语均属SVO语序,而蒙古语属于......
Three-dimensional frequency-domain full waveform inversion based on the nearly-analytic discrete met
The nearly analytic discrete(NAD)method is a kind of finite difference method with advantages of high accuracy and stabi......
高糖面包酵母作为微生物发酵剂和疏松剂,主要用于面包、甜馒头等高糖发酵类食品的生产。目前,我国销售的高糖酵母生理特性差异很大......
混凝土温度参数对于混凝土温控防裂具有重要意义,采用差分算法,对混凝土温度场进行仿真计算,依据实测温度数据,对仿真计算进行误差......
针对方程式重排序等算法存在的程序运行速度、信息隐藏量等问题,提出基于方程式操作数系数排列逆序数的软件水印算法。重新排列那......
本文以良紧性理论为基础引入了L-不分明完备映射的概念,证明了这种映射是可乘的.基于文中所证明的L-不分明闭映射的几个刻划定理,......
有效管理和掌握雨情信息,能够为防汛抗旱工作提供决策服务,对农业生产和生活都有很大的帮助,具有很好地现实意义。本文分别采用距......
介绍了水轮机圆筒阀的发展历史及其在运用实践中显现出的优点，分析了圆筒阀接力器运行过程中不同步的原因，阐述了采用可编程控制器技......
对移动质心控制自旋再入飞行器进行了概念研究。以所建立的移动质心自旋再入飞行器的姿态动力学模型为基础,分析其控制耦合特性,借......
为减小交流系统故障期间直流100Hz保护动作的概率，利用PSCAD／EMTDC仿真分析软件，就阀故障和交流系统故障时直流线路50Hz／100Hz电流特性......
用修改的 Nickerson 等提出的中尺度模式,对我国北方夏季非均一下垫面上的边界层气候特征进行了研究。结果表明,在晴朗、静风和无......
房屋建筑工程现浇剪力墙结构体系模板工程传统施工技术目前存在着不足,通过运用工艺流程分析的方法,提出了改进模板工程关键工艺流......
以Span60（失水山梨醇单硬脂酸酯）为乳化剂，过硫酸钾为引发剂，N，N′-亚甲基双丙烯酰胺为交联剂.采用逆相乳液聚合法制备聚丙烯酸盐高吸水......
针对干式变压器绕组热点的问题,提出了一种将直接测量与间接计算相结合的绕组三维反传热模型,得到了变压器在额定负荷及0.8,1.2,1.......
拖料式定量皮带秤可通过出料口闸门开度调整物料流的高度h和通过变频器转速调整皮带速度V以实现给料量自动控制,但在生产现场往往......
约束稀疏脉冲反演技术作为一项成熟的技术已经在石油和天然气勘探领域得到广泛应用,且在后期的深度域地质统计学反演中,约束稀疏脉......
对干酪乳杆菌进行紫外诱变和NTG诱变，得到蔗糖耐受性高的突变菌株，以此作为基因组改组的出发菌株，制得原生质体，将原生质体分别于紫外......
介绍了高密度电阻率法的基本原理和特点,结合工程实例,阐明了高密度电法在高等级公路边坡勘察中的应用。......
南水北调中线某大型渠道倒虹吸管穿越的采砂河段，因采砂活动导致河道地形下降，主河床部位倒虹吸管顶出露，致使河道行洪时倒虹吸管上游......
为提高再热汽温的控制品质,本文提出了基于支持向量机的逆模型控制方法。采用支持向量机进行系统模型及逆控制器模型的建立,并对再......
针对主动电磁轴承-转子系统多变量、非线性和强耦合的特征,提出了一种基于BP神经网络的逆系统解耦控制方法。建立了主动电磁轴承-......
电子病历包含病人的隐私信息,如何在保密情况下进行电子病历内容搜索是医院电子病历数据有效利用的难点。针对电子病历密文搜索,提......
高含水低渗透油藏压裂裂缝效应易导致油井含水率快速上升,常规低摩阻压裂液难以满足控水压裂要求,因此,以丙烯酰胺(AM)、2-丙烯酰......
针对现有传递路径分析（TPA）方法的局限性,根据基于频响函数的逆子结构法,提出一种振源耦合状态下的虚拟传递路径分析方法,并建立了该......
假设在均匀弹性介质半空间中，存在一单一力源F→，通过求解弹性静力学方程，得到地球表面位移解3个分量(u、v，w)的解析表达式。讨论了理......
