查询词典 coordinate transformation

We found that our proposed theorem is far better than the affine map in dealing the transformation problems of coordinate systems.

本研究发现用座标系统整合理论比Affine Map理论更能准确的处理座标的转换问题。

In the modal of computing elevation angle and azimuth angle of satellite,we ignore the impact of precession,nutation and pole shift in the process of coordinate system transformation due to their small effects.

在卫星俯仰角和方位角的计算模型中，针对岁差、章动和极移的影响相对于卫星位置是二阶小量，因此在坐标系转换过程中忽略岁差、章动和极移的影响。

Using axonometric projection method ,the computer si mulation of the di mensional electrostaticfieldis realized through the planar projection transformation of three-di mensional coordinate.

采用轴测投影法，通过三维坐标的二维投影变换，实现空间静电场的计算机模

The new method of solving the hydraulic fracture moveable boundary problem by use of the method of the conformal transformation and body-fitted coordinate is put forward; according to the law of continuation, the transformation from the control equation in the physical plane to the calculation plane is completed, and two dimensional fluid field numerical simulation in the fracture is also finished.

提出了利用保角变换和贴体坐标变换处理水力裂缝动态边界问题的新方法，根据链导法则完成了物理域控制方程向计算域平面的转换，实现了二维流场的数值模拟； 5。

The transformation of plane coordinate system is a kind of 2D transformation.

平面坐标系统之间的相互转换实际上是一种二维转换。

Specifically, there are three kinds:(1) constant variation method to track two-body problem the root number of variables to establish perturbed equation;(2) coordinate perturbation method in order to track objects in real position and the location of an intermediate orbit perturbation differential equation as a variable to establish;(3) transformation theory, through a series of canonical transformation to reduce the order of the equations of motion to make it a more simple form.

具体做法有三种：（1）常数变异法，以二体问题轨道根数为变量建立摄动方程；（2）坐标摄动法，以天体在实际轨道上的位置与某一中间轨道上的位置差作为变量建立摄动方程；（3）变换理论，通过一系列正则变换，降低运动方程的阶数，使其具有更简单的形式。

According to the transformation relationship between the geographic coordinate system and oblique conical projection, then realize the transformation between the two.

斜轴方锥投影反在外邦海岸带外当用做用非常现亮，它最大限造地脆持了人邦海岸带的完齐。

This model is deducted from the coordinate's transformation in three-dimension world. It obeys the principle of perspective projection plane transformation.

该模型从一般三维空间坐标变化出发，根据透视投影的原理，进行推导和简化，最终得到自由度为8的运动模型。

In order to be fit for the calculation of wave transformation in harbor basin with irregular solid boundary, the governing equations and the boundary conditions of the present model are transformed by a non--orthogonal coordinate. Comparisons with the theoretical solutions indicate that the transformation is correct.

其次对上述完全型波浪绕射折射控制方程及边界条件进行非正交坐标变换，以适应存在固体边壁的港内水域波浪传播变形计算，经与理论解的验证比较，本文采用的坐标变换算法是正确的。

Under the unified coordinate system of the earth's core, sphere azimuthal projection varied and inverse transformation are described. Methods of dot quadrant tab and border tab based on object coordinate system are introduced. Algorithms of special border tab and area invasion warning examination are discussed.

在统一地心坐标系下，结合球面方位投影变换及逆变换，定义了目标坐标系以及在目标坐标系下的顶点象限标号和边标号，提出了特殊边标号处理算法及侵入区域的告警检测算法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐