查询词典 projection method

The experimental method was adopted, and the standard steel wire sample and ruler sample were utilized. Firstly determine approximately the position of projection center by adopting the method of DR imagery, and then approaches the accurate position by means of point of golden section.

采用实验的方法，利用标准钢丝样本和直尺样本，先采用DR成像的方法大致确定投影中心的位置，然后利用黄金分割点逼近准确位置。

Rytz Method ; maximum oblique line ; Right-angled Triangle Method ; plane figure ; projection plane ; dip angle ; conjugate diameter

里茨作图法；最大斜度线；直角三角形法；平面图形投影面；倾角；共轭直径

We propose a unified method to approximate important geometric attributes, including normal vector, gauss curvature, mean curvature, principal curvatures and principal directions on point sampled surface. Based on MLS projection our method is robust to noise and stable to the sampling density.

曲面的微分性质包括法向量和切平面、高斯曲率、平均曲率、主曲率和主方向，在计算机图形学、机器视觉和计算机辅助设计等领域发挥了重要的作用，比如曲面绘制、内外测试、曲面重建、曲面简化、去除曲面噪声和模型分割等。

Detailed studies are made as follows: Searching the key internal factors which can affects slope stability. According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics;With analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques;The stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. With the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified;As a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. The stability and deformation of some typical slopes was analyzed with distinct element method by UDEC;The safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for coMParison.

首先着重研究影响边坡稳定性的内在因素，主要是通过地质勘探、测量、现场观测等手段取得研究区地质体的基础地质资料，建立起能够反映地质体结构特征的地质模型；随后综合分析潜在的内外部影响因素，并结合赤平投影对边坡可能的失稳模式或破坏机制作出判断；运用已有岩体质量分类方法对沿线14个高陡边坡稳定性进行初步的评价，并结合试验研究、经验判断、工程类比等手段确定了坡体的岩体力学参数；根据稳定性初步评价结果将研究区14个高陡边坡按开挖方式分为4大类，并利用离散元程序UDEC对各类典型高陡边坡进行了稳定性计算分析；对潜在危险边坡利用刚体极限平衡法求出了不同工况下的安全系数。

The finite difference method is employed to discretize the governing equations and the projection method is used to derive a pressure Poisson equation that can ensure the satisfaction of continuity equation.

控制方程式采用有限差分法求解，并利用投影法导出压力的波松方程，使得能自动满足连续方程式。

In this paper, a reconstruction method of Electrical Impedance Tomography which based on the method of equipotential back-projection is analyzed in detail.

本文分析了一种基于等位线反投影算法的电阻抗成像方法，并用虚拟仪器LabVIEW软件构建一个虚拟平台，实现了电阻抗成像的图像重建。

The graphic method was used drafting of orthographic projection and the calculating method was mad use of computer.

方法采用正投影绘图的图解法和计算机计算的计算法，方便快捷地解决了一般位置圆周透视的判断问题。

The method combines the inverse dynamics control with the ZMP-plane acceleration projection, whereby the whole body stability of the robot can be considered simultaneously when tracking the predefined trajectories. With this method, the inapplicability existing in the classical control methods in the terms of disturbance rejection and stability maintenance is solved.4 Finally, in order to verify the proposed methods, experiment platforms for the motion planning and disturbance rejection control are constructed respectively.

提出了利用逆动力学控制和ZMP平面的加速度映射相结合的抗干扰策略，在对运动轨迹进行精确跟踪的同时保证系统整体的动态平衡性，解决了经典轨迹跟踪控制方法在抗干扰及稳定性保持等方面的不足。4为验证本文所提出方法的有效性，分别构建了非规则运动规划与抗干扰控制算法的实验平台，详细地介绍了运动生成和运动执行系统的设计与构成。

The method obtained multiple training samples from a single face image by multi channel sampling before two-dimensional independent component analysis transformation. Experimental results on the ORL face database and YALE face database show that the proposed method is feasible and has higher recognition performance compared with GREY, PCA, ICA, 2DICA, projection combined PCA, FLDA, sampled FLDA and other algorithms where only one sample image per person is available for training.

该方法是在2DICA运算之前，首先对单训练样本进行采样，通过多频率采样可以获取多个不同频率下的采样样本，然后对采样样本进行2DICA特征提取，最后采用神经网络分类识别，对人脸库ORL和YEL作了相关实验，将该方法与GREY、PCA、ICA、2DICA、PC PCA、FLDA、Sampled FLDA等传统方法作了比较，最终证明了该方法可以有效地解决单训练样本人脸识别的问题。

With high precision linear CCD as measuring sensor and combining with a mechanical scanning method,a quick measurement for the aperture of wire drawing die is carried out by the parallel light projection method.

采用平行光投影法，以高精度线阵 CCD为测量传感器，结合机械扫描方法，完成对拉丝模孔径的快速检测。

Core, self psychology is psychoanalytic, but there are crucial differences in how the patient-therapist relationship is viewed.

自体心理学的核心是精神分析，但在如何看待患者-治疗师关系方面，自体心理学和精神分析有着根本性的不同。

High-performance cars brake drum production costs increase less than 10%.

高性能汽车刹车鼓的生产成本增加小于10％。