查询词典 numerical control

For the disadvantage of wasting fuel, a fuzzy active nutation control scheme was proposed. The three schemes were all given the numerical simulation result.

针对两种方法消耗燃料比较大的缺点，提出了一种模糊喷气主动章动控制方法

The impact of capillary pressure on twophase flow in waterwettish reservoir is studied. The one dimensional control differential equation is derived,and solved by numerical limited difference method.

首先建立一维渗流模型和相应的渗流微分控制方程，用数值差分的方法进行求解，并绘制产量图和采出程度图，分析启动压力梯度和毛管力对水驱油效果的影响。

Numerical simulation example shows that, under satisfying constraint conditions of equation of state, it is feasible to obtain the optimal trajectory by optimal control and genetic algorithm.

数值仿真算例表明，在满足状态方程约束条件下，通过最优控制解法和遗传算法求取最优弹道方法可行。

The analysis of the optical signal transmission characteristics and the physical parameters provides the theoretical foundation for optimizing the design and improving the performance of AWG; and the optimizing design numerical value calculation method solves the complex problem of the optimizing design of the AWG, it can also provide a way for AWG computer aided design system; the AWG optical signal processing analysis provide a way for optical signal Fourier transform, serial and parallel transmission, circle shift, matrix transform and differential processing; the optical signal processing characteristics of AWG develop AWG to use for new field, and the optical signal processing will play an important role on all-optical networks in the future; by the definition of the wavelength transform matrix of the AWG, the signal output positions that come from these input signals of the different wavelength or the same wavelength but the different input ports and carrying different signals can be accurately determined, and the wavelength transmission matrix plays an important role for analyzing the routing of the complex optical network, or designing the network nodes such as the optical path add/drop multiplexer and optical cross connect device; the wavelength transmission matrix also provides a method for monitoring and managing the wavelength transmission of the optical network nodes; e analysis of the AWG' OXC node structure and wavelength routing provides a way for realizing the OXC, especially for multi-path/multi-wavelength OXC and the intelligence node of the optical networks; by the studying of the control plain characteristics, router, traffic engineering, program and the improved arithmetic of the wavelength routing, the method for realizing the GMPLS' OXC optical transport network is provided, and it play an important role for the study of the automatic switched optical network; the time-frequency analysis can provide more information about the dispersion and energy changes of .the pulsed light transmission in the singlemode fiber, it also provides more useful parameters for analyzing the dispersive accumulating and dispersive compensating.

AWG光信号传输特性与相关参数的分析，为进一步优化设计AWG及提高其性能提供了理论依据，而优化设计计算数值方法解决了AWG优化设计计算的复杂问题，为进一步建立AWG的计算机设计系统提供了基础；AWG光信号处理的特性分析，提出了AWG应用的新领域，为光信号的傅立叶变换、串并传输、循环移位、矩阵变换、微分处理等提供了一条途径；波长传输矩阵变换关系的建立，不仅得到了确定多路AWG每路信号从输入端口到输出端口的准确输出位置的方法，而且在分析应用AWG实现复杂的光通信网络路由的连接、特别在设计分插复用器和交叉连接器等网络节点时有重要的作用，能有效而准确地确定波长的路由关系，为实现节点波长传输路由的监控和管理提供有效手段；基于AWG的OXC结构和波长路由的确定为实现OXC技术、特别是多路多波长的OXC和光网络的智能节点技术提供了有效的方法；控制平面的特征、路由器、流量工程、程序及改进的波长路由算法的研究实现了基于GMPLS的OXC光传送网络的控制平面，为建立自动交换光网路提供了一定的基础；时频分析可以更直观和更清晰地描述脉冲信号在单模光纤中传输色散和能量的变化，为色散积累和色散补偿提供有效的分析参数。

The experimental research and numerical simulation to control the temperature inside the rectangular parallelepiped below - 18% by sublimation of dry ice were conducted.

对用干冰升华气体将长方体冷冻室内的温度控制在-18％下进行了数值模拟和实验。

Compared with the traditional numerical method,the periodic orbit extracted by the analytic approach is more accurate,requires smaller memory size and is more applicable in real time systems;Furthermore,it is more suitable for stable analysis and control of the systems.

与传统的数值提取法相比，所提出的解析法具有提取的周期轨道精确度高、周期轨道信息的存储量小、便于实时应用、易于进行稳定性分析和控制等优点。

Numerical simulation shows that as long as the proper linear feedback control parameter vector is chosen, it is easy to achieve the rapid synchronization between the driving system and response system.

数值仿真证明，只要选择合适的线性反馈控制增益矢量，就可以容易地实现驱动系统与响应系统之间的快速同步。

An on-line numerical method is given and flight test approach for robust stability margin determination of MIMO aircraft control system is presented.

给出一种在线数值计算方法，使计算量大大减少。同时给出了MIMO飞行控制系统鲁棒稳定裕度的飞行试验方案。

A new analysis method is presented. The procedure of Secondary Voltage Control study using this method is discussed in details, and the validity of this method is verified by numerical examples.

分析了电力系统电压稳定的静态分析方法和动态仿真方法的优缺点，讨论了一种准静态仿真分析方法，并给出了使用准静态仿真方法进行二次电压控制仿真研究的详细步骤。

Using specific numerical test results to explain the case: if the monarchy for the five Wai 0 (Khan,"Wuling lay"), and the division of intellectual capacity is zero, then this time is that you get direct control of the city you own mobility with the most basic points of the growth in value, while the single-seater city growth in the most fundamental values of Action Points, as I test, 25 points!

拿具体的数值测试结果来解释的话：倘若君主的五围都为0，且军师的智力能力也为零，那么这个时候您所得到的就是您所直接控制都市自身具备的最基本行动力点数增长值，而单座城池的最基本行动点数增长值，经本人测试，为25点！

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。