查询词典 oscillation

Simulation results demonstrate that this control scheme can lead to quick convergence of the queue length to the desired value and maintain small oscillation. This scheme has better robustness to disturbance than the traditional PID controller.

仿真结果表明，使用该控制方案能使缓冲器队列长度快速收敛到目标值，并维持小的队列振荡，与传统的PID控制器相比具有更好的稳定性和鲁棒性。

In this papper, the methods of decomposition of large-scale system and Liapunov function are used in studying the existence of stationary oscillation of periodic interval system and some new results are obtained.

应用大系统的分解和Liapunov函数的方法研究了周期区间系统的平稳振荡的存在性问题，得到了一些新的结果。

The averaging method is used to analyze this model,the phase diagrams and the time history curve of this system are achieved,the results show that its movement converges to a limit circle oscillation.

利用平均法对系统进行了近似求解，得到了系统的运动相图及时间历程曲线，结果表明系统运动收敛于稳定的极限环，所得结果与实验吻合得较好。

The averaging method is used to analyze this model, the phase diagrams and the time history curve of this system are achieved, the results show that its movement converges to a limit circle oscillation. It demonstrates that the results obtained by the averaging method coincide with those by experiment well.

利用平均法对系统进行了近似求解，得到了系统的运动相图及时间历程曲线，结果表明系统运动收敛于稳定的极限环，所得结果与实验吻合得较好。

Appearance of chaotic motion of electrons is earlier than one of limit cycle and chaotic oscillation of the field.

电子混沌比场的极限环和混沌振荡出现要早。

Although it can reduce remaining error to some extent, but it is at the cost of bringing down its dynamic performance, and cannot eliminate the limit cycle oscillation.

虽然它可以减少剩余的错误在一定程度上，但是，我s的成本，降低其动力性能，并不能消除极限环振荡。

The results show that the development of the instability leads to the limit cycle oscillation and chaotic behavior of the radiation field.

这种不稳定性的发展导致场出现极限环振荡和混沌。

A pilot vehicle system mathematical model containing nonlinear control elements of the flight control system is established by the describing function method; the limit cycle of PVS is determined; the relation between the limit cycle and pilot induced oscillation and the influence of nonlinear control elements on PIO are explored.

采用描述函数法建立了含有非线性控制系统的人机系统数学模型，确定了系统的极限特性，探讨了极限环与驾驶员诱发振荡之间关系和操纵系统非线性因素对PIO影响等。

The result indicates that the output power oscillates and weakens along with increasing input power,and its oscillation period depends on the distance between the medium and beam focal point.Limiter′s limiting ability will decrease if waist size of the incident Gaussian beam and the aperture size increase.With a fixed input power scope,medium′s best limiting position will move towards the focal point if waist size of Gaussian beam and the aperture size increase,but the best limiting position will change a lot with different input power scopes.

结果表明：限幅器的出射功率随入射功率的增加衰减振荡，其振荡周期取决于介质相对于光束焦点的位置；限幅器的限幅能力随入射光束腰半径和光阑孔径的变大而减弱；入射功率范围固定，入射光束腰半径和光阑孔径增大时，介质的最佳限幅位置向入射光束的焦点靠近，但是在某些入射功率范围内会存在多个最佳限幅位置；光限幅器的箝位输出功率随光阑线性透过率的增加存在线性增加和非线性增加两个不同区域，实际应用中应在线性增加区域确定光阑孔径的大小。

The chapter two, by using reduction to absurdity and estimating the differential inequality, we investigate the oscillation of a kind of even order half- linear differential equation, and we give an example to validate the theorem.

在第二章中，我们利用反证法及对微分不等式的估计研究了一种偶数阶半线性微分方程解的振动性，接着举了例子验证所得定理。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。