geometrical相关论文
Using the moment method the mode ratio formulas are derived for coaxial multimode feeds. First, using the geometrical th......
Statistical theory for hydrogen bonding fluid system of AaDd type (I): The geometrical phase transit
The influence of hydrogen bonds on the physical and chemical properties of hydrogen bonding fluid system of AaDd type is......
The modified Chaplygin gas (MCG) as an interacting model of holographic dark energy in which dark energy and dark matter......
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Possibility of Geometrical Interpretation of Quantum Mechanics and Geometrical Meaning of “Hidden Va
Interpretation of wave function for free particle is suggested as a description of microscopic distortion of the space-t......
基于机器视觉技术、光电测试技术和图像处理技术研制轮轨接触几何状态可视化检测装置。检测装置的硬件系统包括高速摄像机、光源系......
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The radiation fields of the Archimedean spiral antenna are derived by approximating the spiral with a series of semicirc......
In this study,the permeabilities of Berea and Otway sandstones were measured under different confining pressures,and por......
针对舰炮多弹种兼容发射工况下弹炮兼容性与射击安全性等问题,着重探讨了兼容发射过程中膛内特征量方程、计算方法及其在舰炮研制......
为分析电磁轨道发射装置的轨道几何参数对轨道电流分布的影响,采用有限元仿真软件COMSOL Multiphysics,研究轨道宽度、高度、宽高......
针对无线传感器网络能耗这一问题,提出了一种基于几何学概率的能耗估计模型。以节点的状态转换为基础,建立了基于半Markov链的节点......
立体视觉图像校正是加速立体匹配简单而常用的技术之一。采用几何法对使用棱镜的单镜头立体视觉系统图像进行校正,根据成像原理,从......
基于体心立方（BCC）点集，通过引入不同程度的随机扰动建立了闭孔泡沫的Voronoi随机模型．然后，对模型的拓扑和几何特征进行了统计分析，并与......
By means of invariant measure, Bertrand's paradox was removed....
为了解决大跨系杆拱与刚构组合桥梁采用分段系杆调节内力与线形时,其刚构系杆与中跨系杆的作用相互影响的问题,针对1座该类型桥梁......
研究、分析了LGJQT-1400导线的结构,研究结果表明:现已生产应用的此类导线其结构具有既浪费材料,又降低力学性能,且有加剧导线股线......
目的：建立猪门静脉高压症模型，探讨门静脉高压症时门静脉的生物力学特性。方法：采用2月龄湖北白种猪，用四氯化碳、苯巴比妥、乙醇，配合......
为了提高双头单螺杆泵的工作效率和使用寿命，研究了结构参数对其工作效率及使用寿命的影响。基于橡胶Mooney-Rivlin双参数模型理论，......
现代制造业“高精度、高效率、高可靠性和专用化”及集约化的发展要求使可调式刀具的开发、应用迫在眉睫。主要介绍了可调式刀具的......
文章提出一种应用基于辛几何理论的高频近似方法,求解二维反射面天线上电磁场的传播问题,验证了该方法能够克服几何光学法在焦散区......
基于对新一代GPS(geometrical product specification and verification)中关键操作技术的深入分析,揭示提取与滤波、拟合之间固有......
利用Galerkin方法分析了Von-Karman型四边夹紧正交各向异性矩形板.所设的位移函数为梁振型函数,它不仅能精确地满足边界条件,而且......
Some derived categories and their deformed versions are used to develop a theory of the ramifications of field studied i......
以W666型金属拱型波纹屋盖结构为研究对象，对不同矢高比、支座边界条件固支的30m跨波纹拱在风荷裁作用下进行了几何非线性稳定性分......
In this article we continue the consideration of geometrical constructions of regular n-gons for odd n by rhombic bicomp......
Multicomponent Assessment of the Geometrical Uncertainty and Consequent Margins in Prostate Cancer R
The aim is to compute all sources of geometrical uncertainty in prostate radiotherapy using fiducial markers and determi......
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A set of nonlinearly coupled algebraic and differential eigenvalue equations of nonlinear axisymmetric free vibration of......
根据目前对经编针织物线圈模型的划分，即几何模型、经验模型和力学模型，分别对它们的研究进展进行了阐述，并归纳了各种模型的特点。目......
The surface free energy (SFE) of (1× 1)-surfaces of crystals, without reconstructionand adsorption, is calculated u......
FINITE ELEMENT DISPLACEMENT PERTURBATION METHOD FOR GEOMETRIC NONLINEAR BEHAVIORS OF SHELLS OF REVOL
The finite-element-displacement-perturbation method (FEDPM)for thegeometric nonlinear behaviors of shells of revolution ......
车文分析搓制钻头工艺．建立了数学模型．并对其进行了几何仿真，得到四板搓的截形数据．给出用一种规格的工具搓制多种规格钻头且符合国标......
The geometrical product specifications and verification (GPS) system is an engineering tool for product development and ......
This paper presents a robust image feature that can be used to automatically establish match correspondences between aer......
The theory of the fractal structure characterizing propagation of a crack through identification of its generator is pre......
A unit cell geometrical structure was found with the use of symmetry operations corresponding to the point group C3. Bas......
Analysis of arterial pulse waveforms is important for non-invasive diagnosis of cardiovascular functions. Large samples ......
Modeling and Simulation of Particle-Packing Structures and Their Stability Using the Distinct Elemen
A numerical method for simulating the stability of particle-packing structures is presented. The packing structures were......
The resemblance between the equation for a characteristic hypersurface through which wavefronts of light rays pass and o......
This article presents a geometric exploration of the reconstruction of a model of the three-dimensional space that Leona......
In this paper we study the dynamics and stability of a two-dimensional model for the vibrations of the LiCN molecule mak......
Implant-related MRI artifacts of determined interbody test spacers: artifact calculations due to imp
Aim: Intervertebral spacers for anterior spine fusion are made of different materials, which can affect the post-fusion ......
Wear and mileage performance are the foremost performances for truck bus radial (TBR) tires. There are a lot of research......
The goal of tomography is to reconstruct a spatially-varying image function s(x,m), where x is position and m is a finit......
设施农业自动化的实现有赖于对作业对象的正确识别。为此,引进了机器视觉技术,设计了视觉软件程序,快速分选出满足嫁接要求的幼苗,......
The parity operator P and time reversal operator T are two important operators in the quantum theory, in particular, in ......
Showing the origin of the mass in an additional coupling between field quantum oscillators, we formulate a hypothesis of......
Increase of Indicator Values of Identification Systems Quality on the Recognition of Human Face on t
In this paper, algorithms of automatic identification of persons on the basis of their photographs are considered. For i......
