查询词典 generator

Compared with deterministic systems, the infinitesimal generator for the system is a second-order differential operation. In this dissertation, we designed the quartic control Lyapunov function and systematically design the state-feedback and output feedback adaptive controller using integrator backstepping methodology. The closed-loop system is asymptotically stable in the large.

与确定性系统相比，随机系统的Lyapunov函数的微分运算包含二阶导，所以设计适当形式的控制Lyapunov函数十分关键，本文设计了四次型的控制Lyapunov函数，并应用积分反推技术，给出了状态反馈及输出反馈自适应控制器和鲁棒自适应控制器的设计方法，证明了闭环系统概率意义下的渐近稳定性和有界稳定性。

The computation of the infinitesimal generator matrix of the stochastic marking process underlying the First order FSPN model is described, which accounts for the transition rates among discrete tangible states. After that the transient state and steady state equations for the probability density functions describe the stochastic marking process are presented.

在说明了一阶流体随机 Petri 网随机标识过程在离散实存状态空间的转移速率矩阵等的计算方法后，给出了描述随机标识过程状态的概率密度函数在暂态和稳态情况下满足的方程。

Using this method,we discussed for generalized Burger equation with variable coefficients and linear danping,obtained its symmetry group,simliar reduced equations,infinitesimal generator and Lie algebras;In chapter 6,using the Exp-function method,the generalized solutions of combined KdV-mKdV equation with variable coefficients are discussed.

首先介绍了Lie群分析法的基本思想，其次用Lie群分析法得到了带线性阻尼项的变系数广义Burgers方程的无穷小变换、无穷小算子的李代数结构，并具体求出了带线性阻尼项的变系数广义Burger方程的群不变解和约化方程。

An international advanced target tacking algorithm, which is an analytical trackingprocess based on the affine transformation model by simulating biological vision machinery, isalso introduced. And the mathematical denotation for the infinitesimal generator of affine Liegroup is deduced in this paper.

论文的主要工作包括： 1、介绍了靶场测量中火箭三维姿态的光学测量方法及其理论基础，着重对单相机测量滚转角的四区域轮廓螺旋线法进行了深入探讨和研究，对该算法进行了编程实现，利用仿真图和靶场某型火箭的数字图像对该算法进行了检测，对测量结果进行了精度分析。

And the model of synchronous generator is considered the most important factor which influent the simulation results.

随着电力系统规模的日益庞大和复杂，电网抵抗各种大干扰的能力越来越受到重视。

If the generator is to be used, it is set into the initial position once, at the start of the program.

若产生器使用的话，它会立即设立在程式开始的初始位置。

Excitation system of synchronous generator contains saturation element for effect of practical actuator, which has characteristic of input saturation nonlinearity.

同步发电机励磁系统由于受到物理结构的限制，系统输入含有饱和环节，具有非线性特征。

Finally, a generator creates a new code sequence to insert at the selected point (technically, it may also edit or remove code); it may alter its behavior based on the context passed to it by the traversal or filter.

最后，一台发电机，开辟了新的码序列插入在选定点（技术上来说，它也可以编辑或删除代码），它可以改变其行为的基础上，通过语境所赋予它的遍历或过滤。

The bit inserter includes a delay for delaying the received data bit stream by the number of the specific bits to be inserted; and a selector for connecting, upon completion of receiving data bits for the subframe, the received data bits to the delay and applying an output of the bit generator to the turbo coder; and applying, when the specific bits are inserted, an output of the delay to the turbo coder.

位插入器包括：将接收的数据位流延迟待插入的特定位数量的延迟器；和选择器，在接收用于子帧的数据位完成时，将接收的数据位连接到延迟器上，并将位发生器的输出施加到快速编码器；和当特定位被插入时，将延迟器的输出施加到快速编码器上。

The low-frequency instability in variable speed constant frequency doubly fed induction generator which is widely used in wind power generation is studied.

研究了广泛应用于风力发电的变速恒频双馈感应电机系统中的低频不稳定现象。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。