研究准坐标下完整力学系统在时间不变的无限小变换下的统一对称性。
This paper discusses the unified symmetry of a holonomic mechanical system in terms of quasi-coordinates under special infinitesimal transformations in which time is not varied.
研究完整力学系统准坐标表示的运动微分方程在群的无限小变换下的形式不变性。
The paper studies the form invariance of differential equations of motion for holonomic systems in terms of quasi coordinates, under the infinitesimal transformations of groups.
研究完整力学系统准坐标表示的运动微分方程在群的无限小变换下的形式不变性 。
On the form invariance of differential equations of motion for generalized mechanical system in terms of quasi-coordinates;
提出了一种基于地心坐标系（ECEF）的传感器极大似然配准算法。
An maximum likelihood registration algorithm based on earth-centered earth-fixed (ECEF) coordinate system is presented.
结论：采用特征提取和快速坐标变换的配准方法可较好地应用于数字化可视人数据集的图像配准。
Conclusion: the registration method of picking-up eigenvector and fast coordinate transformation is more applicable to register the dataset of digitized visible human.
首先给出空中移动平台传感器数据空间配准几何坐标转换算法；
The algorithm of coordinate conversion of airborne mobile sensor spatial registration is given.
将所有点对坐标值代入刚体变换线性方程组，用最小二乘法求出从图像空间到手术空间的刚体变换矩阵，最终实现医学图像标志点的自动识别和配准。
Substituting coordinates of all pairs of points into rigid transform equations, one could use least squares to get the rigid transform matrix from image space to surgical space.
根据双通道控制旋转导弹的特点，通过旋转变换，将弹体坐标系下的自动驾驶仪回路变换到准弹体坐标系下，并比较了与倾斜稳定导弹标准自动驾驶仪的区别。
Based on the characteristics of rolling missile with double-channel control, the autopilot loop is transferred from body coordinate system to quasi-body coordinate system after a rolling transfer.
该文农田基础地图的更新基于经过多项式几何校正与坐标配准后的遥感图像进行。
The map updating was based on RS images. Methods of RS image multinomial digital geometric correction, and RS image coordinate register for field base map updating were introduced.
三种方法分别为：利用坐标变换后的磁导率，在准静态近似下求得磁场分量；
The three methods are as follows: using magnetic permeability under coordinate's transition to get the components of magnetic field in the quasi-static approximation;
螺旋锥齿轮和准双曲面齿轮数控磨齿机是一种新机床，将齿轮加工所需全部运动用六坐标数控来实现。
The CNC hypoid cutting machine is a new kind of machine tool, which coordinates all machine movement necessary for gear manufacturing in 6 axes of motion.
这种配准包括了空间配准。空间配准就是将各自传感器的信息匹配到共同坐标系统。
Such alignment contains space alignment which converts the sensor information to the common coordinate system.
本文以CAD和GIS的图形坐标转换与配准为例，介绍了相关的数学模型和实现方法。
In this paper, the relative mathematical models and the methods of system implement is presented with the examples of CAD and GIS.
本文以CAD和GIS的图形坐标转换与配准为例，介绍了相关的数学模型和实现方法。
In this paper, the relative mathematical models and the methods of system implement is presented with the examples of CAD and GIS.
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