四元的

A quaternion can be used to represent any arbitrary rotation.

四元数可用来表现所有形式的旋转。

If xi + y is a complex number, then think of a quaternion as a very complex number.

假如xi + y是一个复数，那么我们可认为四元数是一组很特别的复数。

Use four yuan Group to achieve rotation matrix with six c...

使用四元组实现矩阵旋转功能，具有6维功能的摄像机。

The simultaneous diagonalization by congruence of pairs of Hermitian quaternion matrices is discussed.

讨论四元数Hermitian矩阵对在共轭合同关系下的同时对角化问题。

The quaternion matrix singular value perturbation theorem is generalized and these results are also new one for complex matrix.

本文对四元数体上矩阵奇异值摄动定理给出了推广，且这些结果对复矩阵也是新的。

Based on the model of color image, color face image was recognized as a template for processing, and singular value vector was firstly applied to color face recognition.

基于彩色图像的四元数模型，将彩色人脸图像视为一个模板直接处理，并首次将奇异值向量应用到彩色人脸识别中。

Firstly, the key frames are created by the methods of inverse kinematics. Then, the internal key frames are computed by the interpolation of spline curve and spherical linear.

首先使用逆运动学方法求出关键状态，然后使用样条插值和四元数球状线性插值方法计算中间状态，完成跑步的过程。

Considering the influence of the layout of the attitude control, thruster forces are taken as the control input directly.

在对内动态分析的基础上，针对线性子系统设计了四元数PD反馈控制律。

Based on the unit quaternion decomposition of rotation matrix, this paper puts forward an algorithm to estimate motion parameters from the space position vectors of 3D feature points.

摘要本文基于旋转矩阵单位四元数分解定理，提出一种由3D特征点空间位置估计运动参数的算法。

If the norm is 1, you have a so-called unit quaternion (just as you would have a unit vector).

假如平均值为1，你就得到所谓的单位四元数。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。