查询词典 perturbation function

It is important to the clarification of how to describe the state-space model during parameter perturbation and the standardization of the state-space model description.

这对澄清参数摄动时状态空间模型应该如何描述，进而规范状态空间模型的描述都是非常必要的。

Simulation results show that the chaotic system can be controlled effectively in Buck power converter by this method. The method is still effective when there are parameter perturbation and noise.

数值仿真结果表明：该方法能有效地实现Buck功率变换器混沌系统的控制，系统在参数发生摄动和存在噪声的情况下，控制仍然有效。

By optimum design of control scheme, fast tracking characteristic to the command signal and suppression of parameter variation and perturbation are obtained.

针对直接驱动的直线永磁同步电机，提出基于神经网络和滑模变结构控制的双自由度控制策略。

The ability of tracking the reference signal and restraining the parameter perturbation and stochastic disturbance are improved.

这种算法克服了广义预测控制中求解逆矩阵的缺点，提高了系统响应的速度，并且具有较强的跟踪给定信号、抑制系统参数摄动和随机噪声的能力。

In this paper,the artificial parameter perturbation method and variational iteration method have been applied to nonlinear differential equation with power nonlinearities.

应用人工参数法和变分迭代算法，求解了具有分数阶非线性的一阶常微分方程。

In simulation, the parameter perturbation of non-linear systems, amplifier troubles and servo stagnant trouble of system was studied, As a result, this method can diagnosis fault effectively.

仿真中以非线性系统的参数摄动时和伺服系统中的阀放大器故障和伺服阀卡滞型故障进行了研究，结果表明这种方法能有效的诊断出故障。

Simulation results show that the servo system with the designed controllers provides a good performance. At the same time, it reduces the sensitivity of the system performance to the controller parameter perturbation. Then, the robustness of the system are improved.

仿真实验结果表明，采用本文方法设计的鲁棒二自由度控制器性能很好，不但保证了伺服系统的动静态性能，而且降低了系统对控制器参数摄动的灵敏度，提高了系统的整体鲁棒性能。

The method is still effective when there exists parameter perturbation and measurement noise.

陷况卜实现控制，当系统参数存在摄动和有测量误差时控制仍然有效。

For the robust stability analysis of polynomials, the concept of dual parameter perturbation region is clearly pointed out, and its bounds are estimated.

研究了鲁棒稳定多项式单向摄动界及其在励磁动态稳定分析、控制器参数选择等方面的应用。

Chapter 3 analyzes numerically the effects for orbit calculation caused by orbital perturbation, parameter error and so on. A precise mathematical model of orbit calculation is given.

第三章通过数值法分析了各项轨道摄动和参数误差等因素的对轨道计算的影响，给出了精确的月球探测器轨道计算数学模型。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。