According to this point of view the transmission and scattering in multilayer dielectric waveguides can be regarded as coordinate transformation of a vector in ann-dimensional vector space.

根据这种观点，多层介质波导中波的传播和散射可以归结为多维空间向量的坐标变换，并可用传输线和网络表示。

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Based on the theory of homogeneous transformation and DH method in robot kinematics, the coordinate measuring model of articulated arm system is established, the system measuring space is given.

利用机器人运动学中的齐次坐标变换理论和D - H坐标描述方法建立了关节机械臂系统的坐标测量数学模型，并给出了系统测量空间。

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Secondly, the meshing path of the contact point of SCMW is deduced based on the meshing function of space curve and the space coordinate transformation.

其次，本文在前期研究建立的空间曲线啮合方程基础上，结合空间坐标变换，推导出空间曲线啮合轮的啮合轨迹；

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