quaternion

英

美

网络  四元素; 四元数; 四元數; 四元组

复数：quaternions　

英英释义

noun

• the cardinal number that is the sum of three and one
  Synonym:four4IVtetradquaternquaternaryquaternityquartetquadrupletfoursomeLittle Joe

双语例句

• In the paper a general space-time transformation theory is established with complex quaternion as space-time algebra.
  以复四元数为时空代数，建立了一个广义时空变换理论。
• Calculates the natural logarithm of a quaternion.
  计算四元数的自然对数。
• Smooth orientation planner for manipulators based on quaternion and B-spline
  基于四元数和B样条的机械手平滑姿态规划器
• The original color image was first represented by using quaternion Same-Hue-Full-Saturation ( SHFS) form.
  首先将输入彩色图像用同色调全饱和度四元数形式表示；
• The main purpose of this paper is to study a new proof of extended unitary diagonalizable of self-conjugate matrix in quaternion field and deduce other properties concerned.
  探讨了四元数体上自共轭矩阵的广义酉对角化的新证法，并由此推出其它相应的性质。
• Since unitary congruence of quaternion matrices is in connection with unitary similarity of quaternion matrices, we also discuss some properties of the unitary similarity of quaternion matrices.
  由于四元数矩阵的酉相合与酉相似有着密切联系，本文还讨论了四元数矩阵的酉相似的一些性质。
• A license plate location algorithm was presented, which was based on the quaternion specific color-pair edge detection technique.
  提出了一种基于四元数特定颜色对边缘检测的车牌定位算法。
• A kind of control law is designed using unit quaternion and angular velocity by the feedback nonlinearization approach firstly.
  首先利用反馈非线性化方法，给出一种不含非线性扭矩项、仅由四元数和角速度的线性组合构成的控制规律。
• After analyzing the relation between a quaternion function and the angular velocity it represents, a smooth angular velocity interpolation algorithm is proposed.
  在分析了四元数函数与角速度的关系后，提出了角速度光滑插值的方法，并能计算出任一时间角速度的值。
• Considering the target angle rate changing, an adaptive attitude tracking control law was designed based on the error quaternion, and the corresponding close system stability was also proved.
  考虑目标姿态角速度可以时变的一般情形，设计了基于误差四元数的自适应姿态跟踪控制律，给出了稳定性证明。