查询词典 numerical system

It is required to research and develop a suit of general integrated platform system which possesses independent copyright and suits numerical control equipment of lathing、 milling、 punching and linear incision.

本文主要对集成化CAD/CAM系统中数控加工的仿真与实现进行深入研究，具体内容包括以下几个方面： 1、数控加工刀位轨迹规划与生成算法研究。

The asymmetric stripline is widely used in LTCC microwave integrated circuit system. Different kinds of discontinuity are often encountered in the circuit design, such as open circuits, steps, right-angle bends, T-junctions and so on. This paper successfully transplantes the equivalent circuit model of microstrip line discontinuity to the asymmetric stripline so as to deal with T-junction discontinuity and the branch-line coupler constructed by parts with various discontinuity. Compared with numerical results, the average error of S parameters is less than 2%.

偏心带状线广泛应用于LTCC微波集成电路系统中，其电路设计过程中也经常会遇到诸如开路端、阶梯、直角拐角及T型接头等各种不连续性问题；该文成功地将原有的微带线不连续性等效电路模型移植到偏心带状线上，从而分析了其T型接头不连续性和由其不连续性部分组成的电路组件分支线耦合器；与数值计算结果相比，其S参量的平均误差小于2%。

The propagation matrix method used widely in stratified media is extended to laterally inho-mogeneous media,and a numerical method known as generalized propagation matrix method for simulating elastic seismic wave propagation in inhomogeneous media is presented by using mixed variable elastic wave equation and matrix exponent solution of system of linear ordinary differential equations.

应用混合变量弹性动力学方程和线性常微分方程组的矩阵指数解法，将层状介质中广泛应用的弹性波传播矩阵解法推广至横向非均匀介质，给出了一种可计算复杂地质体中弹性波传播的广义传播矩阵数值解法。

This paper ends with a numerical example of system of linear equations.

本文以一个线性方程组的数值例子作为结束。

The security of the building is mainly provided by a numerical keypad lock system.

本大厦目前的安全保障主要由一套数字键盘锁系统来提供。

Test showed that the interpolation in the odd step was concise and quick in operation. The interpolation in the even step was used to improve accuracy. The logarithmic curve could be interpolated in the embedded Computerized Numerical Control system with multi-axis control and the precise grounding of conical milling cutter could be realized.

测试表明，奇数步插补简明快捷，偶数步插补精度提高，在嵌入式数控系统中能进行对数曲线的多轴联动插补控制，实现了锥度铣刀的精密磨削加工控制。

The numerical simulation results of the Lorenz system show the effectiveness of the proposed method.

数值仿真试验进一步验证了该方案可以实现Lorenz混沌系统的广义投影同步。

Through numerical simulation of the Lorenz system, the effectiveness of this method in control chaos synchronization has been proven.

通过对Lorenz系统的数值仿真试验，验证了该方法在控制混沌同步方面的有效性。

Then it derived the measurement of the system loss rate. Numerical results and simulation experiments are presented.

导出了系统误码率的表达式，通过数值例子和仿真实验说明了理论分析结果的正确性。

A numerical example is presented which shows that the proposed method can substantially improve the delay bound for absolute stability of Lur′e system with time-delays, compared to the existing ones.

数值例子表明，与现有结果相比，本文结果较大地改进了保证不确定时滞Lur′e型控制系统绝对稳定的时滞界。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。