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equivalent surface     
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  等值面
     The Application of Equivalent Line and Equivalent Surface Generative Algorithm in Variable Fertilization of Precision Agriculture
     等值线和等值面生成算法在精准农业变量施肥中的应用
短句来源
     According to the determined interference displacement, the value of the interference energy of each point in the slope and the equivalent surface of interference energy are determined. Then, the curved surface with the minimum interference energy is taken as potential slide boundary.
     根据已确定的最不利干扰位移求得边坡内各点的干扰能量值及干扰能量等值面 ,并以最小干扰能量曲面作为潜在滑动边界
短句来源
     METHODS:The cube in the obtained 3D CT image data matrix of pelvis and acetabulum was moved, hexahedron unit was used in the internal bone and Marching Cube arithmetic was used on the surface bone, tetrahedron was established to instead equivalent surface and the 3D finite element models of pelvis and acetabulum were constructed.
     方法:在获得的骨盆及髋臼三维CT图像数据矩阵中移动立方体,骨骼内部采用六面体单元,骨骼表面采用MarchingCube算法,建立四面体代替等值面,构建骨盆及髋臼三维有限元模型单元。
短句来源
     To meet the needs of creating the prescription surface map in variable fertilization of precision agriculture, the generative algorithm of equivalent line and equivalent surface realized the function of generating equivalent line and equivalent surface through variable interpolation methods using Visual C++6.0 as development environment and the MapObject2.0 controls of ESRI as tool. This algorithm realized the function of generating fertilization prescription chart with equivalent surface form finally.
     为了满足精准农业变量施肥中面状处方图生成的需要,该等值线、等值面生成算法在VisualC++6.0开发环境下结合ESRI公司的GIS控件MapObject2.0实现了由空间散点数据在不同插值算法下经过等值线最终生成等值面的功能,应用在变量施肥处方图生成中实现了生成等值面形式的施肥处方图的功能。
短句来源
     In addition,the proposed algorithm is shown to be able to reconstruct more accurate deformable surface models of edge surface in comparison with the equivalent surface extraction algorithm.
     与等值面抽取算法相比,该算法能够获得更高精度的边缘曲面的多边形曲面模型.
短句来源
  等效曲面
     An equivalent surface model of image distortion and the correction algorithm
     一种基于畸变等效曲面的图像畸变校正
短句来源
  等效面
     An improved discrete method of boarder equivalent surface current model is presented in this thesis; which is suitable to arbitrarily complex shapes, and can conveniently solve different magnetizing direction problem, such as parallel, radial and circumferential direction.
     在全面分析解析计算和数值计算中所采用的数学模型基础上,提出一种改进的边界等效面电流离散化处理法,该方法不仅适用于任意复杂形状永磁体,而且可以统一方便的处理平行、径向和周向几种永磁磁化方向,对实现永磁电机有限元程序的通用性具有重要的意义。
短句来源
     The equivalent surface current distributions used in the calculation are obtained from the physical optics and Fock's theory. To take account of the contribution of the edge, a line distribution of charge along it is introduced.
     在计算中我们根据物理光学和Fock理论得到散射体表面的等效面电流分布,并引入一沿边缘的线电荷分布以计入边缘的贡献。
短句来源
     A mathematic model using equivalent surface shear force method for simultaneously simulating excavation and soil nail reinforcing process is proposed in the paper.
     给出了一种可同时模拟基坑开挖和土钉加固过程的等效面力法——剪力法。
短句来源
  “equivalent surface”译为未确定词的双语例句
     Point-Based Rendering uses discrete and crowded point cloud to represent the surface of model, and it's goal is to reconstruct a continuous and equivalent surface from the point cloud.
     基于点的绘制技术使用离散的三维密集点云来表征模型表面,目标是采用点元作为基本绘制单元在三维密集点云中重构出连续、视觉等价的模型表面。
短句来源
     The scattering properties at 17 wavelengths from visible to near IR spectral region for the 14 kinds of different crystal size distributions of ice cloud which is composed of hexagonal ice crystals are calculated using Mie theory for equivalent surface ice spheres and ray optics,respectively.
     对由六角形冰晶粒子组成的冰云的14种冰晶尺度分布,分别用等效球Mie理论和射线光学理论计算了它们在从可见光到近红外谱区的17个波长上的散射特性参量。
短句来源
     Remove of the Discontinuity of Green's Function by Using the Equivalent Surface Polarized Charge Layer
     用等效表面极化电荷层消除格林函数的不连续性
短句来源
     The key to the problem is to determine the surface impedance, when the 'period of the structure is not too long and the notch wall sufficiently thin, we can define equivalent surface reactance by reference to the reflection of the plane wave, and the problem of periodic notched structure can be approximately solved according to the condition of the uniform surface reactance.
     当开槽结构周期不太大和槽壁很薄时,可以参照平面波反射定义等效表面阻抗,从而可以近似按照均匀阻抗条件来处理周期开槽结构问题.
短句来源
     In this article the discontinuity of the eigenfunction expansion of the Green's function in the electromagnetic field theory of static electricity is discussed with the help of the concept——an equivalent surface polarized charge layer.
     借助于等效表面极化电荷层的概念,讨论了使用于电磁场理论的静电问题中格林函数的本征函数展开式的不连续性。
短句来源
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  equivalent surface
Analytical estimates, assuming the assembly to be a solid sphere of equivalent surface area, predicted drag forces about two orders of magnitude lower than the corresponding experimental values.
      
Consideration of the pulsations of the beam boundaries in the "hydrodynamic" analysis by introducing equivalent surface currents leads to the relativistic dispersion equation derived by Gaponov [1] in the case of a small thickness of the beam walls.
      
Surface influence is further checked by etching-off equivalent surface layers after a given annealing, and comparing the resulting loop changes: these are found to depend markedly on the initial thickness of the sample.
      
Surface influence is further checked by etching-off equivalent surface layers after a given annealing, and comparing the resulting loop changes: these are found to depend markedly on the initial thickness of the sample.
      
Based on the concept of equivalent surface properties we introduce models using one or two mean parameters (Hamaker constant, mean partial charge) as well as a model which takes partial charge distributions into account.
      
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The system of spins in a finite ferromagnetic-antiferromagnetic chain, coupled by exchange interaction, is investigated. The spin-wave spectrum and the intensities of its excitation are calculated. On the basis of the results obtained, the spin-wave resonance of a ferromagnetic film with a surface of antiferromagnetic oxide is discussed. The validity of the general phenomenological boundary condition is elucidated. The value estimated for the equivalent surface anisotropy energy according to our theory...

The system of spins in a finite ferromagnetic-antiferromagnetic chain, coupled by exchange interaction, is investigated. The spin-wave spectrum and the intensities of its excitation are calculated. On the basis of the results obtained, the spin-wave resonance of a ferromagnetic film with a surface of antiferromagnetic oxide is discussed. The validity of the general phenomenological boundary condition is elucidated. The value estimated for the equivalent surface anisotropy energy according to our theory is found to be in fairly good agreement with experimental data.

本文研究了由交换作用耦合起来的有限长铁磁和反铁磁链组成的自旋系统。计算了系统的自旋波的波谱及其在微波场中的激发强度。在所得结果的基础上,讨论了具有反铁磁氧化层的铁磁薄膜的自旋波共振。阐明了等效地使用唯象普遍边界条件的可能性。根据理论,对等效的表面各向异性能作了估计,得到的数值与实验值很好地符合。

This paper describes the computation of the magnetic field for rare earth permanentmagnet electrical machines using the finite element method.A mathematical modelfor rare earth permanent magnets and its application to the finite element methodare discussed.The analytic formulae are given for equivalent surface current densityof several types of conventional p.m.structures in p.m.electrical machinescomputation of the magnetic field and experimental results from several p.m.electrical machines indicate that...

This paper describes the computation of the magnetic field for rare earth permanentmagnet electrical machines using the finite element method.A mathematical modelfor rare earth permanent magnets and its application to the finite element methodare discussed.The analytic formulae are given for equivalent surface current densityof several types of conventional p.m.structures in p.m.electrical machinescomputation of the magnetic field and experimental results from several p.m.electrical machines indicate that the given permanent magnet model and itscorresponding approach in the finite element method are accurate enough andconvenient in engineering practice.This method can be generalised to numericalfield solutions for other electromagnetic devices containing rare earth permanentmagnets.

本文介绍用有限元法计算稀土永磁电机磁场,着重讨论稀土永磁材料的数学模型及其在有限元法中的应用。给出永磁电机中几种常用永磁结构的等效面电流密度计算公式。通过几台典型永磁电机的磁场计算与试验结果比较表明,给出的永磁体模型及其在有限元法中的处理方法,在工程上足够精确与方便。本方法可推广到其它含有稀土永磁体的电磁装置的磁场数值解法中。

In this paper, the basic property of the electro-magnetic wave propagation on a periodic notched planar structure is analysed and is pointed out that it is often necessary to simplify this kind of problems into boundary value problems in the boundary impedance condition. The key to the problem is to determine the surface impedance, when the 'period of the structure is not too long and the notch wall sufficiently thin, we can define equivalent surface reactance by reference to the reflection of the plane...

In this paper, the basic property of the electro-magnetic wave propagation on a periodic notched planar structure is analysed and is pointed out that it is often necessary to simplify this kind of problems into boundary value problems in the boundary impedance condition. The key to the problem is to determine the surface impedance, when the 'period of the structure is not too long and the notch wall sufficiently thin, we can define equivalent surface reactance by reference to the reflection of the plane wave, and the problem of periodic notched structure can be approximately solved according to the condition of the uniform surface reactance.The approach of normal component of the electrical field on the periodic notched structure being expanded into the Fourier integral has been used and the functional equations are set up according to the boundary condition. Using the Wiener-Hopf method, expressions of the secondary field and reflection coefficients are obtained, and Finally the expression of the surface reactance is found. The measured results are in good agreement with those found by theoretical methods. Thus, it is of practical value to simplify analytic and calculating methods of electromagnetic propagation and scattering on the periodic notched planar structure.

本文对平面周期开槽结构上电磁波的传播特性作了分析,指出这类问题常要简化成第三类边值问题,其关键是确定表面阻抗.当开槽结构周期不太大和槽壁很薄时,可以参照平面波反射定义等效表面阻抗,从而可以近似按照均匀阻抗条件来处理周期开槽结构问题.本文采用的数学方法是将周期开槽结构表面上电场法向分量展成Fourier积分,根据边界条件建立函数方程.用Wiener-Hopf法求得了二次场和反射系数,从而求得表面阻抗.按本文定义计算的表面阻抗与实际结果很吻合,因而对于简化平面周期开槽结构上电磁波传播和散射的分析与计算有一定实用意义.

 
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