几何形状

DCT的归一化技术对面部的几何形状的变化和增加光照方面具有鲁棒性。

The DCT normalization technique is robust to variations in facial geometry and increased illumination .

NURBS方法是描述工业产品几何形状的主流体现形式。

NURBS method is the major form of free-form surface in description of industrial products geometry .

Bean模型与不同几何形状样品中的临界电流密度

Bean model and critical current density of superconductor samples with different shapes

传统的CAD系统只是研究几何形状的几何信息和拓扑信息，因此不能满足集成的需要。

The traditional CAD system can only describe the geometric and topologic information of shape , but can not meet integration requirements .

采用弹塑性大变形有限元方法研究了几何形状和材料参数对“V”型零件翻边的影响；

A large deformation elastic plastic FEM model is employed to simulate the stretch flanging of V shaped sheet metal parts .

针对目前应用最为广泛的几何形状提取方法&HOUGH变换，在研究阶段参考了大量的关于HOUGH变换的研究论文。

In present documents , the most useful method on extracting shape is Hough Transform .

采用BEM和光弹试验证实齿根应力最小轮齿几何形状的优化

Optimum Gear Tooth Geometry for Minimum Fillet Stress Using BEM and Experimental Verification with Photoelasticity

在流场中，主要讨论了加入流速后流场的分布以及改变基座的几何形状导致气体流速变化，分析了这些因素对SiC外延的生长速度和质量的影响。

In the airstream field , the influence of altering geometrical shape of susceptor on growth rate and quality of epilayer is studied .

本文研究了常见规则几何形状金刚石磨粒的切削位置概率、加权2θc角和可能磨损面的平均原子密度。

In this paper , studies are made on the cutting positions probability , weighted angle 2 θ c and atomic mean density of easy-to-wear surfaces of diamond grains with common regular geometries .

PIPA可以适用于各类几何形状材料的探伤。

PIPA is able to work with varying materials in different geometries .

结果表明，几何形状，尤其是零件张角，对V型零件翻边成形性具有决定性的影响。

The results show that the geometry , especially the flange angle , is a key factor to the formability on flanging of V-shaped sheet metal parts .

材料的几何形状不会对PIPA探伤产生太大的影响。

Material geometry does not significantly affect the test .

在给定叶片速度矩Vθr分布、厚度分布和转轮轴面流道几何形状的条件下，实现了混流式水轮机转轮的全三维有旋流动设计。

The design of Francis runner in the three-dimensional rotational flow can be performed according to the V θ r distribution 、 flow channel and the blade with given thickness distribution .

结果表明，三维特征线方法程序TCM能够求解任意几何形状及反射边界条件的中子输运问题，计算结果具有较高的精度。

It is shown that TCM , using interpolation treatment of boundary condition , can calculate the neutron transport problems accurately , of which geometry and reflective boundary are arbitrary .

水平V形砧锻造法在内部应力状态、金属纤维组织、锻件的整体性能、宏观几何形状等方面都优于普通平砧锻造法。

The forging method is superior to the common flat anvils ( FA ) forging method in inner stress states , metal tissue , overall properties and geometrical shapes of forgings .

还讨论了几何形状对应力曲线的影响，其中包括对实际的变速器齿轮的FEM分析，以此来描述每一零件的最佳后续加工方法。

The influence of geometry on stress profile has also been discussed , including the FEP analysis of actual transmission gear to describe the optimum secondary operations for each component .

兰州小型晶体球由14个几何形状为正六棱柱的BGO探测元组成。

A tiny Lanzhou crystal ball consists of 14 hexagonal prism BGO detector units .

BVI加权函数法对孔隙几何形状不敏感。

BVI weighting functions are not very pore geometry sensitively .

文中提供了比例常数M的值，讨论了M随几何形状和Biot数（β）的变化。

The proportionality constant M is provided and its variation with geometry and Biot number (β) is discussed .

PSTM光纤探针几何形状研究

Study of the Geometry of the Fiber Tip in PSTM

结论：HS和HSA不利于失血性休克大鼠红细胞几何形状的改善。

CONCLUSION : Both HS and HSA have deleterious effects on the geometry of erythrocyte in rats subjected to hemorrhagic shock .

在本法中，壳体中面一点位移的三个分量及子午线方向的几何形状均用以三次B样条为基样条的样条函数来逼近。

In this method , both the three components of the displacement of a point on the middle surface of a shell and the meridianal geometric shape are approached by using spline functions whose cardinal splines are cubic B spline .

采用span-80作表面活性剂，在W／O微乳液中制备出具有一定几何形状、团聚相对较小、光催化性能较好的纳米TiO2；

Nano-TiO2 particles with a certain geometric shape , good dispersion and photocatalytic activity were prepared by W / O micro-emulsion using span-80 as surfactant .

梯度折射率（Gradientindex，GRIN）透镜及其阵列是一类新型光学器件，具有简单的几何形状，主要依靠介质特殊的非均匀折射率分布以实现其各种光学功能。

Micro-lenses with a spherical gradient index ( GRIN ) are a new kind of optical device . Their optical properties are chiefly depending on their non-uniform index distributions . There are many merits about them .

图像Morphing是一种基本的图像变形方法，而图像视点Morphing是一种在图像Morphing过程中，中间过渡图像保持起始图像和终止图像几何形状特征的图像变形方法。

View morphing emphasizes that intermediate frames need maintain the shape of reference images relative to image morphing , a basic image manipulation technique .

在电化学沉积过程中，随沉积条件（电解池的几何形状、外加电压、电解液浓度、溶液的PH值、重力场、外加磁场等）的不同，会产生很多复杂形态的沉积物。

With the different conditions of the electrodeposits , such as the geometry of the electrochemical cell , voltage , concentration , the gravity field , magnetic field , electrochemical deposition ( ECD ) provides a wide range of morphologies .

实验中所使用的模型是一个与理论计算分层流体中Rankine卵形体生成的内波使用Rankine卵形体几何形状相似的。

The model used in the experiments is a Rankine ovoid which is similar to that used in theoretical study in geometrical shape .

采用ANSYS有限元计算程序，对场致发射体进行模拟计算，初步研究了发射体的几何形状尺寸与其发射特性之间的联系。

The ANSYS finite element computation program is used for the simulation calculation of the structure of field emission array . The relationship between the geometrical shape and dimension with its emission characteristics has been preliminarily studied .

巴玄街（BaHuyenStreet）上和朱文安街（ChuVanAn）北侧的别墅都留有机器时代风格的标志性印记，诸如平屋顶、舷窗式窗户及几何形状窗格。

Villas along Ba Huyen Street and the north side of Chu Van An Street boast Machine Age hallmarks like flat roofs , porthole windows and geometric window screens .

依据合肥国家同步辐射实验室的LIGA深度光刻技术，给出可行的几何形状。

With the support of the deep lithography technology LIGA in NSRL , Hefei , a number of feasible geometrical figure designs are presented .