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

• Arithmetic distance and distance of skew-Hermitian matrices over quaternion division ring with an involution
  具有对合的四元素体上斜Hermitian矩阵的距离与算术距离
• Study on Some Matrices Problems over Real Quaternion Division Algebra
  四元数体上代数的若干矩阵问题研究
• Calculates the natural logarithm of a quaternion.
  计算四元数的自然对数。
• Discontinuous Characteristic Boundary Value Problems for Hyperbolic Equations in Commutative Quaternion Algebra
  交换四元数代数中一类双曲型方程的间断特征边值
• First, according to the tracking error dynamics and kinematics described by unit quaternion error and angular velocity error, a sliding mode controller is derived based on Lyapunov theory.
  首先根据由误差四元数和误差角速度描述的跟踪误差动力学和运动学方程，设计了基于李亚普诺夫方法的滑模变结构控制律。
• Two kind of linear representations of the generalized quaternion algebras are given, and a necessary and sufficient condition about the isomorphism of two generalized quaternion algebras is obtained.
  给出了广义四元数代数的两种线性表示，导出了两个广义四元数代数同构的充要条件；
• 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。
• 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。
• Custom inspector that shows the X, Y, Z, W quaternion components of a transform.
  创建一个自定义检视面板，显示变换的X，Y，Z，W四元数组件。
• Simulation Modeling of Satellite Attitude Control System Based on Quaternion Feedback
  基于四元数反馈的卫星姿态控制系统仿真模型建立