We are finding a parametric equation for the sphere using two variables phi and theta which happen to be part of the spherical coordinate system.
我们建立有两个变量φ和θ的球面的参数方程,它们恰好是,球坐标系统的一部分。
This is called a "right-handed" coordinate system because the thumb and first two fingers of your right hand can be used to represent the three directions.
这被称为“右手”坐标系统，因为你右手的大拇指、食指和中指可以被用来表示三个方向。
At present, the modeling methods of multi-rigid-body system can be concluded to two kinds: Absolute coordinate method and relative coordinate method.
目前，多刚体系统的建模方法可归纳为绝对坐标法和相对坐标法两类。
Based on the modeling of the sky, two improved methods were proposed: rotate the coordinate system of the sphere, and modify the coordinate of the texture.
针对于天空的建模，提出了两种改进方法：旋转球面坐标系法和修改纹理坐标法。
The discussed identification procedures in the two modal coordinate system are similar to the method in the physical coordinate system.
在两个模态坐标系中的参数识别过程完全类似于在物理坐标系中的识别过程。
The Beijing coordinate system in 1954 and the Xi 'an coordinate system in 1980 are two kinds of coordinate systems kept in the map document presently in China.
1954年北京坐标系和1980西安坐标系是我国目前地图资料中存在的二种坐标系统。
In this paper we discussed the evolution of two states system and geometric phase in a rotating magnetic field by using the method of coordinate transformation.
本文用旋转坐标系系法对二能级系统的在旋转磁场中的演化和几何相进行了研究。
The optical principium of two sets of and multi sets of CCD vertical target measurement system is introduced in this paper. The calculation method of coordinate is presented.
本文分别介绍了两台和多台CCD立靶测量系统的光学测量原理，给出了立靶测量脱靶量的计算方法。
The bipolar coordinate system in which the two boundary circles of eccentric annuli become the coordinate surfaces is used.
使用双极坐标系研究流体在偏心环空内的流动。
A geometric function defined for a coordinate system such that the distance between any two points in that system may be determined from their coordinates.
度量为坐标系定义的几何函数，有了它，坐标系上任意两点间的距离可以通过点的坐标来计算。
First, the counterparts of the points on image in camera coordinate system (CCS) are found by utilizing two properties, namely collinearity and Euclidean distance invariability.
首先，利用共线性和欧氏距离不变性这两个特性可以求得图像中的点在相机坐标系（CCS）中的坐标。
A hail cloud model that is two dimensional elastic non hydrostatic, USES a terrain following coordinate system and includes double parameters for ice phase microphysics, has been developed.
建立了一个适用于复杂地形的冰雹云模式。模式是二维、弹性、非静力、采用地形跟随坐标、包含双变参数冰相微物理过程参数化。
Theory analysis and experimental simulations of pursuit-evasion problem with maneuvering target in sight coordinate system are performed using the two methods.
并应用这两种方法针对视线坐标系的两空间飞行器在目标机动下的追逃进行了理论推导和实验仿真。
A new method for merge of range data and texture based on calibrating two cameras in a world coordinate system is proposed.
在将两个摄像机对同一坐标系(全局坐标系)标定的基础上，提出了距离数据及纹理的融合方法。
A two-dimensional model for sailing was used to divide the voyage into several sections and obtain a corresponding coordinate system by a circumvolving and shifting operation.
该方法在比赛区域建立二维平面坐标系，将整个航程划分若干区段，通过坐标轴旋转和平移得到各区段的虚拟坐标系。
Two gold deposit evaluation information databases are set up in western Shandong, such as coordinate system with "degree" as its unit and coordinate system with the scale of 1.
建立起以“度”为单位的坐标系统和“1：50万”比例尺坐标系统的两套鲁西地区金矿评价信息数据库。
In the robotic visual servo system based on the position, it is need to build an image Jacobian which transforms two-dimensional image information to three-dimensional coordinate information.
在基于位置的视觉伺服中，需要建立将二维图像信息转换为三维坐标信息的图像雅可比矩阵。
This instrument is a three-coordinate measuring system, which consists of two displacement coordinates X. Y and a rotary coordinate X.
本仪器是由X、Y直线坐标和X＇回转坐标组成的三坐标测量系统。
First of all, the theory of double-fed induction generator is introduced. Mathematical model of double-fed induction generator in the two-phase synchronous rotating coordinate system is established.
首先，介绍双馈发电机的基本工作原理，建立在两相同步旋转坐标系下双馈发电机的数学模型。
To measure the flame lift-off length and evaluate its asymmetry, an evaluating coordinate system is built which contains two planes and one Angle.
然后建立了一个评价火焰浮起长度及其不对称性的评价平面系，该评价平面系包括两个平面和一个角度。
The dynamics of the relative motion between two nearby spacecraft is investigated in a local orbital coordinate system. It' has been pointed out that an equilibrium state may exist in the motion;
采用本地轨道坐标系对两邻近飞船间相对运动动力学展开研究，指出在相对运动中也存在平衡状态；
The dynamics of the relative motion between two nearby spacecraft is investigated in a local orbital coordinate system. It' has been pointed out that an equilibrium state may exist in the motion;
采用本地轨道坐标系对两邻近飞船间相对运动动力学展开研究，指出在相对运动中也存在平衡状态；
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