| 1. | The soil reclamation has different effect upon soil unit weight and water
土壤开垦对土壤容重和水分状况也有不同程度的扰动作用。 |
| 2. | Also , considering the disturbance action of solid grain to boundary layer , disturbance factor is cited
又考虑到固体颗粒对边界层的扰动作用，引入了扰动因子。 |
| 3. | The optimal control problem is considered for bilinear systems affected by external persistent disturbances
摘要研究具有外界持续扰动作用下双线性系统的最优控制问题。 |
| 4. | By using the approach , the original optimal control problem of bilinear systems with disturbances is transformed into a sequence of nonhomogeneous linear two - point boundary value ( tpbv ) problems
利用该算法可将在扰动作用下双线性系统的最优控制问题转化为求解一组线性非齐次两点边值序列问题。 |
| 5. | Air flow under strong wind condition in autumn - winter season is seriously perturbed by topography . the perturbation displays as a horizontal vortex covering whole city of beijing and part of mountain area in northwest
秋冬季大风天气的流动受地形的动力扰动作用明显，扰动表现为水平涡旋形态，其影响范围包括北京城区及西北部山地。 |
| 6. | The analytical solution indicate that , the disturbance has a important influence on the behavior of structured soft clay , and , with the increasing of disturbance degree , and strain is added , but the dissipation of pore pressure is decelerated
计算分析表明，扰动作用对结构性土的固结性状有显著影响：扰动度越大，变形越大，孔隙水压力消散越缓慢。 |
| 7. | When the psb amplitude is weak , a series of hair - pin vortex will be formed . the formation , diffusion , breakup of the front edge of hair - pin vortex and the break of the head of hair - pin vortex lead to the first instability and form the slug structure
在一定幅值的psb弱扰动作用下，圆管流动中出现一系列发卡涡，发卡涡前缘处环形涡的形成、扩散和破裂以及发卡涡头部的破碎导致了流动的第一次失稳，产生塞流结构。 |
| 8. | Due to information ' s disturb effects on the enterprise decision and the business process , as well as the different influences of tod and toc , this paper suggests the use of mutual mode in the tod and toc can support enterprise decision accurately and effectively
基于信息在企业决策与业务流程中的扰动作用，以及决策论与约束论对企业决策的不同影响，提出采用决策论与约束论互动方式，有效、高速、准确的支持企业决策。 |
| 9. | The simulations show that the vsc strategy is robust against external disturbances and model perturbation as long as the control parameters are selected properly . in comparison with the pid controllers , the vsc also enables a satisfactory dynamic performance to be achieved in terms of variation in the depth of cut
结果表明,当趋近律参数选择合适时,采用变结构控制的主轴系统在外扰动作用下具有良好性能,其动态稳定性及对系统自身特性变化的适应能力明显强于pid控制器。 |
| 10. | The problem of local parameter optimization in low synchronization bunch _ rank speed - control system has been researched in this paper . the paper analyzed the problems existing in trational double closed _ loop bunch _ rank speed - control system , and pointed out the influence on performance of system caused by nonlinear parameter with timing variety . added a local mit self _ adaptive controller to double _ closed loop bunch _ rank speed - control system . the results of computer imitating indicated that under same disturbance the performance of system has been improved obviously . 5figs . , 1tab . , 4refs
对低同步串级调速系统中局部参数最优化问题进行了分析研究.从理论上分析了传统的双闭环串级调速系统中存在的问题，指出了系统中非线性时变参数对系统性能的影响.在双闭环串级调速系统中增加局部mit自适应规则.计算机仿真结果表明:在相同的扰动作用下，系统的性能得到明显改善.图5 ，表1 ，参4 |
