查询词典 celestial coordinates

Considered the father of analytic geometry, he formulated the Cartesian system of coordinates.

他的哲学思想基于唯理性的前提Cogito， ergo sum。

Thsi paper also considers the estimation problems based on the different Cartesian coordinates.

本文还考虑了各传感器分布在不同地理位置时的状态估计问题。

X and y are Cartesian coordinates representing the zonal and meridional directions, and u and v are the corresponding velocity components.

x 和 y 分别表示笛卡儿坐标系中的纬圈和经圈方向，而 u 和 v 分别是这两个方向上的速度分量。

Radiative transfer equation in cartesian coordinates can be considered as a special kind of convective- diffusive equation with strong convection characteristics.

直角坐标系下的辐射传递方程可以看作一类特殊的对流扩散方程，且具有强对流特性。

Firstly, a cube work region was defined, and the analytic relationship between workspace point Cartesian coordinates and some manipulator parameters which were important to application was derived.

首先，定义了一个立方体工作区域，得到了对机构的实际应用影响较大的几个参数与工作空间点的笛卡尔坐标之间的解析关系。

5 Node Macros The macros listed in Tables 5.5.1 and 5.5.2 return the real Cartesian coordinates of the cell node, and the components of the velocity of the node, respectively.

5.5节点宏表5.5.1和5.5.2列出的宏返回单元格节点的实数直角坐标和相应的节点速度的分量。例如在移动的网格模拟中节点速度是相对应的。

In this thesis the one-dimensional STC scheme and the two-dimensional STC scheme in both Cartesian and general coordinates are constructed. The initial condition and boundary conditions are also discussed.

本文发展了一维STC格式、直角座标系和任意曲线座标系下的二维STC格式，并对STC格式特殊的初始条件和边界条件进行了探讨。

Based on the involute's basic principles and theoretical formulas, input the involute's formulas of cartesian coordinates into the equation editor, accordingly create the precise involute of gear's contour. Based on the formula of helical gear's parameters, accurately create a curve of tooth profile. Create the chraceristics of helical gear by ordering of swept blend and array.

依据渐开线生成的基本原理和理论公式，在方程编辑器中输入渐开线的笛卡尔坐标方程，从而生成精确的齿轮轮廓渐开线；根据角变位斜齿轮各参数的计算公式，精确创建了齿廓曲线；利用扫描混合和阵列命令创建斜齿轮的轮齿特征。

The equation for robot system motion in the joint space can then be represented as Cartesian space coordinates based on the Jacobian matrix.

本研究利用图形化的建模方式来下达控制命令，来模拟机械手臂尾端定位之控制，进而运用在即时控制上。

The algorithm GS to solve the problem of inverse dynamics based on the optimal theory is proposed, by using the numerical methods of Gill and shooting target, the optimal joint driven torques are obtained With the smooth joint trajectory motion, a fast and stable inverse dynamics method is proposed, it provides a new effective way to control the flexible manipulator The trajectory planning in the joint space and Cartesian coordinates is especially discussed In terms of kinematics of space flexible link manipulators, a sequential integration method for inverse dynamic analysis of flexible manipulators is developed The concrete results of simulations tested and verified the validity of proposed methods, and some valuable conclusions are achieved.

提出了求解基于最优理论的柔性臂逆动力学问题的GS法(Gill—Shooting method)，得到了柔性臂关节的最优驱动力矩；提出了基于光滑关节运动轨迹的柔性臂逆动力学的快速稳定方法，为柔性臂控制提供了一条新的途径；探讨了关节空间和直角坐标空间柔性臂的轨迹规划问题；研究并完善了结合柔性臂运动学的顺序积分的逆动力学方法。通过具体实例的仿真研究，验证了所提出的柔性臂逆动力学方法的有效性，得出了一些很有价值的结论。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。