英语词汇direction cosine怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

网络释义

短语

1
direction cosine matrix
方向余弦矩阵 ; 弦矩阵
2
direction cosine system
方向余弦坐标系统
3
the direction cosine
方向余弦

双语例句

1
This paper presents a new method named "Analytic Orthogonalization", for orthogonalizing direction cosine matrix.
本文提出方向余弦矩阵正交化的一种新方法——解析正交化。
2
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，推导出以方向余弦为参量的物坐标系到世界坐标系的坐标变换矩阵；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。
3
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后置法建立了4R机器人运动方程，建立机器人执行机构在空间相对位置关系的数学模型，由此可解出手部位置和用单位矢量方向余弦表示的姿态。

单词	direction cosine
释义	direction cosine 简明释义方向余弦：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。网络释义短语 1 direction cosine matrix 方向余弦矩阵 ; 弦矩阵 2 direction cosine system 方向余弦坐标系统 3 the direction cosine 方向余弦双语例句 1 This paper presents a new method named "Analytic Orthogonalization", for orthogonalizing direction cosine matrix. 本文提出方向余弦矩阵正交化的一种新方法——解析正交化。 2 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，推导出以方向余弦为参量的物坐标系到世界坐标系的坐标变换矩阵；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。 3 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后置法建立了4R机器人运动方程，建立机器人执行机构在空间相对位置关系的数学模型，由此可解出手部位置和用单位矢量方向余弦表示的姿态。
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