研究完整力学系统准坐标表示的运动微分方程在群的无限小变换下的形式不变性。
The paper studies the form invariance of differential equations of motion for holonomic systems in terms of quasi coordinates, under the infinitesimal transformations of groups.
研究完整力学系统准坐标表示的运动微分方程在群的无限小变换下的形式不变性 。
On the form invariance of differential equations of motion for generalized mechanical system in terms of quasi-coordinates;
通过分析阴影的物理模型，得出局部纹理的光照不变性，利用基于比值判决的LBP纹理法来区分运动车辆和阴影，并应用亮度约束和几何启发式准则进一步改善阴影检测效果。
The distribution of improved LBP texture is discussed and a significant test is performed to classify each moving pixel into foreground object or moving shadow according to this theory.
在一定条件下，设计的滑动模控制律使得系统沿预先设计的滑动流形的滑动运动对系统的参数摄动和外干扰具有不变性。
Under certain conditions, the designed variable structure control law makes the sliding mode along a specified sliding manifold invariable to the system perturbation and external disturbances.
在一定条件下，设计的滑动模控制律使得系统沿预先设计的滑动流形的滑动运动对系统的参数摄动和外干扰具有不变性。
Under certain conditions, the designed variable structure control law makes the sliding mode along a specified sliding manifold invariable to the system perturbation and external disturbances.
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