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direction cosine

  • 方向余弦:在空间解析几何中,表示向量与坐标轴之间夹角余弦值的一种量度。

专业释义英英释义

  • 方向余弦
    方向馀弦

·2,447,543篇论文数据,部分数据来源于NoteExpress

Direction cosine

  • abstract: In analytic geometry, the direction cosines (or directional cosines) of a vector are the cosines of the angles between the vector and the three coordinate axes. Or equivalently it is the component contributions of the basis to the unit vector.

以上来源于: WordNet

双语例句

  • This paper presents a new method named "Analytic Orthogonalization", for orthogonalizing direction cosine matrix.

    本文提出方向余弦矩阵交化一种方法——解析正交化。

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  • The coordinate transformation matrix based on the direction cosine parameters from the object coordinate system to the world coordinate system is derived by vector algebra.

    利用矢量代数的方法推导方向余弦参量坐标系世界坐标系坐标变换矩阵;利用矩阵求逆的方法,推导出世界坐标系到物坐标系的坐标变换矩阵。

    youdao

  • A kinematics model by post D-H method for 4R-robot was offered in this paper, which derived the manipulator finger position and its attitude with unit vectors of direction cosine.

    采用D-H建立4R机器人运动方程,建立机器人执行机构空间相对位置关系数学模型由此可解出手部位置单位矢量方向余弦表示的姿态

    youdao

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