查询词典 nonlinearity

For such a single-input-two-output unstable system with strong nonlinearity and strong coupling,the control scheme was accomplished by adding a tracking differentiator and the feedback control law comprised of the errors of the two controlled variables,instead of the only one in the usual ADRC scheme. This method expanded the range that the ADRC scheme can deal with.

倒立摆系统以其结构简单直观，构件参数和形状易于改变，成本低廉，而本身又是一个高阶次、不稳定、多变量、非线性、强耦合系统，被公认为自动控制理论中的典型试验设备，也是控制理论教学和科研中不可多得的典型物理模型。

The first one is integrated by the least squares and the radical basis function interpolation, which is aimed to the slight nonlinear sensors, and under the limited increament of computation, it can make the results more precise. The second is used for serious nonlinearity and based on the moving least squares which converts the approximation generally into locally, and the result of this way is also satisfied.

对于不是特别严重的非线性，采用最小二乘拟合与径向基函数残差插值进行融合重构，可以在增加有限计算量条件下提高数据的近似精度；对于非线性较严重的传感器，为兼顾局部特性，采用移动最小二乘法进行数据重构，它通过全局近似向局部近似的转化，同样使重构结果具有满意的近似精度。

Magnetic levitation system is characterized by its nonlinearity, instability.

磁悬浮系统是典型的非线性、不稳定系统。

Considering the vehicular SG cruise integrating model under braking condition influenced by some factors of nonlinearity, time-delay and the disturbance, a new nonlinear SMITH predictor is designed to compensate the time delays of control variable in advance. Furthermore, with the resort of pure delay operator, extension of the Lie derivative and the Lie bracket, some issues of SISO nonlinear system with time delays in state variable are resolved, which cover the input-output linearization, invertability of coordinate transformation and the disturbance decoupling problem.the staged transformation and design technique, the vehicle deceleration tracking control and the SG cruise disturbance decoupling control under braking condition are carried out effectively using proposed control method.

在建立制动工况下车辆走-停巡航系统集成模型基础上，针对其非线性、时滞特性以及目标车减速度干扰的影响，提出一种改进的非线性SMITH预估补偿方法，以消除控制变量时滞，并结合时滞算子、扩展李导数和扩展李括号方法，研究并解决了SISO状态变量时滞非线性系统的输入输出线性化、坐标变换的可逆性以及输出干扰解耦问题，实现了SISO时滞非线性系统的综合控制。

Optical absorption spectroscopy and Z-scan technique were used to measure linear absorption and third-order optical nonlinearity of the films.

利用光学吸收谱和Z-扫描技术研究了该复合薄膜的线性和三阶非线性光学性能。

Four types of nonlinearity in recording procedure are analyzed in the Magneto-Optical recording.

根据最小均方误差准则，提出不同记录密度下的均衡器参数的设计方法。

Based on approximation capability of neural networks and mean value theorem, a stable adaptive control scheme is proposed to control the implicit dynamic system with an uncertain nonlinearity.

针对一类隐含控制输入的非线性系统，引用中值定理并利用径向基神经网络的逼近能力，提出了一种稳定自适应神经网络控制方案，以实现对一类隐含控制输入未确定非线性系统的控制。

In general, because of their nonlinearity, it is hard to calculate the Choquet expectation and minimax expectation.

本论文的前半部分将在倒向随机微分方程的基础上，用[1]中定理1的方法计算几个特殊的Choquet期望和最大，最小数学期望。

Uncertainty of parameters, shortage of data, mistiness of constitutive law, and serious nonlinearity has been a big obstacle to engineers.

参数给不准，数据有限，本构机理不清楚，不确定性和非线性极强，已成为困扰岩土工程师的严重问题。

To deal with the nonlinearity of the monocular vision-based relative pose parameters determination, the Levenberg-Marquardt algorithm is used.

为解决相对位姿单目视觉确定的非线性问题，该文选择了求解非线性问题性能优良的Levenberg-Marquardt算法。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。