三维空间

sān wéi kōnɡ jiān
  • three-dimensional space
三维空间三维空间
  1. 三维空间单缝衍射、光栅衍射、双缝干涉和N缝干涉实验研究

    The Test Studys of Diffraction and Interferences in Three-dimensional Space

  2. 三维空间矢量PWM调制算法及其仿真研究

    Study on the algorithm and simulation of three-dimensional space vector pulse-width modulation

  3. 氢原子波函数三维空间分布在MATLAB中的实现

    Plotting Spatial Distribution of Wave Function of Hydrogen Atom in Matlab

  4. 基于栅格的GIS三维空间数据模型

    3D Spatial Data Models of GIS Based on Grid

  5. GIS中三维空间直线的误差熵模型

    An Error Entropy Model for GIS Spatial Linear

  6. 三维空间Doppler夹角的测量与流速校正方法的研究

    New method of Doppler angle measurement and flow velocity correction in 3-D space

  7. 基于UML的三维空间数据转换插件的设计与实现

    Design and implementation of 3D spatial data transfer software based on UML

  8. 用FPGA实现abc坐标系的三维空间矢量调制算法

    Implementation of 3-D Space Vector Modulation Algorithm in abc Coordinate Based on FPGA

  9. 该方案是将三维空间的基准线最小代价算法与动态2D指派算法相结合。

    The method combines 3D datum line least cost algorithm and dynamic 2D assignment algorithm .

  10. 基于OpenGL的多层三维空间实体叠加建模

    Overlay Modeling of Multi & Layer 3D Spatial Entity Based on OpenGL

  11. 本文提出了一种基于引力模型(attractivemodel)的非精确匹配算法,应用于三维空间运动点集的对应点匹配问题。

    A novel algorithm for ine act matching using an attractive model is presented , and its application to the point correspondence in 3-D motion is described .

  12. 同样利用MATLAB设定了三维空间随机模型,仿真结果验证了算法在三维空间上的有效性。

    Likewise , three-dimensional space model is established by MATLAB in random to verify the validity of the algorithm in three-dimensional space .

  13. 一种三维空间非线性潮波的数值控拟(Ⅰ)&渤海M4和MS4分潮波的试算

    Numerical Simulation of the Three-Dimensional Nonlinear Tidal Waves (ⅰ) & A numerical study for M_4 and MS_4 Waves in the pohai Say

  14. 本文在对现有三维空间数据结构进行分析的基础上,结合三维空间地质数据特征,提出实现地质体三维可视化的方法CAD边界表示法。

    Firstly the author analyzes the 3D spatial data structure and brings forward " method of CAD-Boundary Representation " which is a 3D visualization method of geological entity .

  15. 高层建筑结构三维空间分析软件TBSA使用的几个问题

    Some Problems of Using Threedimensional Space Analysis Software TBSA on Multistorey Building Strctures

  16. 基于GTP的地下工程与围岩一体化真三维空间构模

    GTP - based Integral Real - 3D Spatial Modeling for Subsurface Engineering and Its Surrounding Geology Bodies

  17. 对有源电力滤波采用空间矢量调制的电流控制方案进行了分析,采用DSP+FPGA的方案实现了三维空间矢量调制的三相四线APF。

    The three dimension space vector modulation for current control strategy is deduced and implemented by DSP + FPGA in a three-phase four-leg APF .

  18. Pb同位素比值三维空间矢量填图结果表明,在华北块体与北秦岭之间,沿洛南-栾川-方城断裂存在明显的地球化学急变带,分隔具有不同Pb同位素空间矢量组成的华北与北秦岭块体。

    Based on the three-dimensional space vector of Pb isotopic mapping , it is indicated that there exist a isotopic geochemical steep zone along Luonan-Luanchuan-Fangcheng faults between north Qinling and north China block .

  19. MPR和3D有助于弥补轴位CT的不足,较全面评价关节内外的损伤改变,显示多发粉碎性骨折的三维空间关系。

    The MPR and3D , as supplyments of the transaxial CT , were helpful to assess the inner or outer traumatic change of joint and to display the3D spatial relationship of multiple fragmented trauma .

  20. 利用大型有限元分析软件ANSYS建立了一个高22.2m、直径15m的钢筒仓三维空间模型。

    The text creates a steel silo 3D model which is 22.2 m high and has a diameter of 15 m by using the FE software ANSYS .

  21. 近年来,随着大规模CCD阵列成像技术与多DSP阵列图像并行处理技术高速发展,视觉感知系统作为最基本的三维空间感知方式在众多领域都有所应用。

    In recent years , with rapid development of the large CCD array imaging technology and multi-DSP parallel processing technology , visual perception system is widely applied in many other fields as the basic three-dimensional space perception approach .

  22. 用自然地表非球形散射体全极化一阶散射的Mueller矩阵解,在选定高空间分辨率条件下,计算具三维空间结构与非均匀分布的植被地表的全极化后向散射。

    Employing the Mueller matrix solution of random non-spherical particles , fully polarimetric scattering from heterogeneous canopy surfaces with 3-dimensional spatial structure is calculated .

  23. 在国家体育场设计中,利用CATIA空间建模软件建立了国家体育场大跨度钢结构精确的三维空间几何模型与计算模型。

    In the design of the National Stadium , the precise 3D geometrical model and calculation model for large-span steel structure was established by use of CATIA dimensional modeling software .

  24. 蛋白质分子的三维空间结构以一种特定的格式储存在PDB文本文件中,软件系统能够读取并理解这些空间结构以及属性信息。

    The3D structure of protein molecule is stored in the PDB file in a special format , which could be loaded and understood by HJMV software .

  25. 利用3D-GIS进行边坡变形的三维空间分析和变形过程的模拟探讨。

    The three dimensional spatial analysis and the deformation process simulation of monitoring landslide applied with three dimensional GIS are discussed in this paper .

  26. 在此基础上,构建了SDN协同发展的三维空间层次结构模型,并对SDN协同发展的特征进行了分析。

    Based on it , three-dimension hierarchy model about synergetic development of SDN has been set up and the character of it has been analyzed in the paper .

  27. 再对由节点平面坐标和节点余氯含量构成的三维空间散点(x,y,z),用Delaunay三角网构网原则建立不规则三角网(TIN);

    Then , Triangular Irregular Net ( TIN ) is established by the principles of Delaunay on the base of scattering 3D spacial points ( x , y , z ) whose 3D coordinates consist of the 2D coordinate and the value of residual chlorine ;

  28. 研究方法:运用MIDAS有限元分析软件,分别建立厚板单元的三维空间模型和平面刚架的二维平面模型对某斜交框架桥进行分析,并采用对比法对2种模型结果进行对比。

    Research methods : This paper analyzes the skew frame with 2D rigid frame and 3D space model of thick plate element with MIDAS Civil structure design system , and their results have been contrasted with comparison method .

  29. 本文介绍利用VC++6.0、MapObjects和OpenGL来实现一个能虚拟显示行走过程的三维空间查询系统,从而对OpenGL在GIS软件中的应用进行了探讨。

    This paper introduces a 3D spatial searching system that can virtually display people 's travel course in VC + + 6.0 、 MapObjects and OpenGL . The application of OpenGL in GIS software is discussed in this paper at the same time .

  30. 本文研究关于H~1,H~2空间中一个具切边粘性实际粘性热传导流体方程组弱解的整体存在性和指数稳定性,这种流体方程组是三维空间下的Navier-Stokes方程。

    This paper is concerned with the global existence and exponential stability of weak solutions in H ~ 1 and H ~ 2 for a real viscous heat-conducting flow with shear viscosity The system describing this type of flow is derived from the general 3-D Navier-Stokes equations .