| 1. | Vibration eigenvalues of structures with uncertain boundary restrict stiffness
边界约束刚度不确定的结构振动特征值 |
| 2. | We construct cost function which combines the likelihood function and boundary constraint function
它利用似然函数和边界约束方程构造代价函数，来描述区域特征。 |
| 3. | This paper consists of two parts . in the first part , a new branch and bound algorithm for minimizing the nonconvex quadratic programming with box constraints is proposed
本文分两部分，第一部分研究求解边界约束非凸二次规划问题的整体最优解的分支定界算法。 |
| 4. | Free form surface reconstruction is a key step in reverse engineering cad modeling . on the basis of segmentation , an approach of b - spline surface reconstruction with complicated boundary constraints is addressed
基于复杂边界约束和内部散乱逼近的b样条曲面重构理论和技术的研究是本文的一个重点和创新之处。 |
| 5. | When a slope deformation is limited not only by bottom slide plane but also by lateral slide planes , the calculated stability coefficient by using a two - dimension model is usually lower than the actual situation
摘要当边坡的变形不仅受底部边界约束而比还受侧限作用时，其稳定性计算按平面问题简化常存在较大的误差。 |
| 6. | Many application examples show that this local b - spline surface designing strategy cannot only guarantee the quality of the surface , but also preserve the global geometric continuity of the whole cad model
大量的实际例子和操作表明，这种基于复杂裁剪边界约束的局部b样条曲面设计方案既能保证曲面模型的表面品质，同时又能保持曲面模型的全局连续性。 |
| 7. | The author has analyzed and compared several main cases of boundary constraints thoroughly , furthermore , mathematical modeling and error analysis of the most complex boundary constrains case has been lucubrated
文章对八种主要的边界约束类型做了深入的分析比较，并着重对最复杂的边界约束情况的数学模型建立、求解及误差分析展开了细致和详尽的讨论。 |
| 8. | The special class of constraints which appears in the form of boundary conditions is then considered within the framework of dirac method and some unavoidable problems or shortcommings of the dirac method in treating boundary constraints are pointed out
接着，我们试图利用dirac方法对带有边界条件的理论进行量子化。结果发现，在用dirac方法来处理具有这类特殊边界约束的系统的量子化问题时，总是存在着不可避免的闲难或弊端。 |
| 9. | Based on the parameters of multi - robot cooperation collision is focused on the environment in some of the information known circumstances , based on genetic algorithm robot cooperation collision , the method considered the boundary constraints , obstacle avoidance , with global optimization advantages
本文重点讨论了在部分环境信息已知的情况下，基于遗传算法的机器人协作避碰，方法考虑了边界约束，避障要求，具有全局寻优的优点。 |
| 10. | According to the particular characteristics of cad modeling in reverse engineering and the practical demands from customers , the author made an elaborate and in - depth study on b - spline surface reconstruction in three aspects , including b - spline surface fairing , local b - spline surface designing and b - spline surface approximating based on complicated boundary constraints
本文结合反求工程cad建模自身的特点和用户的实际需要，主要对b样条曲面造型三个方面的工作做了较为细致和深入的研究和探讨： b样条曲面光顺、 b样条曲面局部设计和基于复杂边界约束的b样条曲面逼近。 |
