投影地

In the paper, we will make use of the improved alternating projections to carry out two examples on pattern synthesis of the conformal phased antennas on the general paraboloid of revolution and analysis them.

文中给出了改进的交替投影法的计算步骤，并将该方法成功地应用于旋转抛物面上的2个共形相控阵天线的方向图综合。

A notable merit of parallel coordinates is its well-founded mathematical foundation.Its projective geometrical interpretation and duality properties facilitate the simultaneous projection information representation of multiple low dimension subspaces.

平行坐标的一个显著优点是其具有良好的数学基础，其射影几何解释和对偶特性使它可以很好地同时表达高维数据在多个低维子空间的投影信息。

The surface of the region of interest textured in this manner is perspectively represented in the view such that the position of the slice or projection image can be recognized relative to the region of interest.

将如此结构化的感兴趣部位的表面(22)在视图中透视地显示，使得相对于该感兴趣部位的表面可以看出断面图像或者投影图像(21)的位置。

This paper presents the dynamic controlling method of stream lines on axial plane projection of the hydraulic model and square grid of the blade drawing of the pump impeller. The ideas and methods of the application of Bezier curve in impeller CAD are analyzed in detail.

提出采用Bezier曲线解决水泵叶轮水力模型轴面投影流线及叶片绘型的方格网流线的动态调控方法，详尽地分析了在叶轮CAD中应用Bezier曲线的具体思路与方法。

Using this model to detect path of leaking water in a reservoir dam with GPR, the results show that the result by GPR explanation accords with practical depth and plane projection position of channel of leaking.

开挖验证的结果表明：用探地雷达测量资料解释的该大坝漏水通道在平面上的投影位置与开挖结果相符合，漏水通道深度与实际开挖结果基本一致。

With the method and the relation between the center of a circle and a triangle, the relation between the triangle and the circle can be determined rapidly, hence to quickly and correctly determine the position relation between the projections of the triangle plane and the tool in tool axis direction, and raise the efficiency of 3-axis NC machining.

借助于该方法及圆心相对三角形的位置关系，可以快速判别三角形与圆的位置关系，从而能据此快速、准确地判别三角片与刀具两者在刀轴方向投影的位置关系，提高3坐标数控加工干涉检查的效率。

In addition, random wall motion parameters are computed at the tracked positions and either displayed with being superposed with the C-mode or projection-displayed on a polar diagram.

并且，计算在所跟踪的位置的任意的壁运动参数，与C模式重叠地显示或者在极图上投影显示。

In this thesis, we propose a new semi-automatic system that is able to create interesting 3D effects from plain photographs. By directly projecting the ground plane without the use of camera parameters, we avoid the problem of creating images with wrong depth ratio and texture distortion.

本论文修改了还原真实场景比例的立体化方式，将影像中属於地面的部份，以原始大小直接投影至立体空间，这麼做出现了类似立体书或立体卡片的效果，同时也省去了设定相机参数的步骤，避免因不正确的参数设定导致错误的深度比例或材质贴图的扭曲变形。

Considering the fact that the self constraints of the design variables can be formulated as the linear functions in the present process optimization, the nonlinear part of the constraints is dealt by introducing the concept of active constraint set. The linear part is dealt by the gradient projection method specially.

同时考虑到现在的优化求解问题中，设计变量自身的约束可以合理地表示成线性函数的形式，因此对于优化问题的非线性约束部分，通过引入活动约束集的概念进行处理；而对于线性边界约束，则采用梯度投影法作专门处理。

When realizing the algorithm, the strategy of projection to 2D plane is utilized.

对不同复杂程度的三维地质模型进行切割实验，发现化繁为简和二维投影策略极大地提高了算法效率。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。