At present, the modeling methods of multi-rigid-body system can be concluded to two kinds: Absolute coordinate method and relative coordinate method.
目前，多刚体系统的建模方法可归纳为绝对坐标法和相对坐标法两类。
Have studied the dynamics Lagrange method of many rigid body more systematically, namely the many rigid body dynamics modeling method to adopt relative coordinate.
比较系统地学习了多刚体动力学的拉格朗日方法，即采用相对坐标的多刚体动力学建模方法。
Because the calibration method directly optimizes the camera rotation angles relative to the world coordinate system, it ensures the orthonormal constraints as well as the precise solutions.
该标定方案直接优化摄像机相对于世界坐标系的旋转角度，因此能够在获得精确解的同时，保证旋转矩阵的正交约束条件。
A modified segmental quadratic interpolation method which describes the shape of optical system pupil with relative coordinate error less than 1% and area error about 0.25%, is presented.
本文提出了一种改进的分段二次插值法描写光学系统的光瞳形状，得到了满意的效果，其坐标误差小于1%，面积误差约0.25%。
According to the concept of relative time coordinate system, a new exponent model and its grade predicting method are proposed.
结合相对时间坐标系的概念，提出了一种改进的指数预测模型及其分级预测方法，并对双曲线模型进行了推广。
A method is proposed, using rotating coordinate to keep the head with leaf-like shape and to hold the relative position of streamlines in flow channel. The method is effectively tested and can...
提出了采用旋转坐标系的方法，以保持叶型头部原有的形状及流道内流线的相对位置不变，经验证得到了很好的结果，可以应用于大多数轴流压气机的计算与分析。
From the viewpoint of relative motion, often it is easier and clearer td solve problems about kinematics and dynamics in the method of setting up coordinate system of motion.
用相对运动的观点，建立运动坐标系，来解运动学和动力学的问题比较明晰简便。
From the viewpoint of relative motion, often it is easier and clearer td solve problems about kinematics and dynamics in the method of setting up coordinate system of motion.
用相对运动的观点，建立运动坐标系，来解运动学和动力学的问题比较明晰简便。
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