查询词典 vector analysis

And then the classical conclusion drawn from the voltage vector diagram can serve as a straight and convenient guide to the research and operation analysis of the impedance protection.

因两种图形方法所在的复平面不同，故建立电压平面与阻抗平面的几何关系，以利采用电压相量图法所得的经典结论，对阻

So long as the sample data are inputted,the computer may carry out their correlation analysis between variables,the standardization of data,and draw their constellation diagram and contiguous vector diagram,which are clear and convenient for the user.

星座图与连接向量图是多变量统计的直观方法，可用于多变量样本或多变量指标的聚类分析。

Basing on the analysis of Park model and the vector diagram of hydro generator and taking its actual wiring in the power system into account,this paper develop an accurate method—Newton analytical method,to calculate the static stability boundary condition.

本文通过对水轮发电机派克方程和矢量图的分析，并考虑其在电力系统中的实际联结情况，建立一种精确的水轮发电机静态稳定边界计算方法———牛顿解析法，用此方法对多台机组静态稳定边界点所有参数的计算结果与试验实测值进行比较，误差很小，达到了足够的准确度。

Applied with space vector diagram, a novel method for analyzing the control law and current controllability of variable structure control is proposed The detail discussions of parameter design, robustness and stability analysis are also made Furthermore, based on modeling the DC capacitor voltage control subsystem, a kind of fuzzy voltage controller is proposed, which results in good control performance In order to reduce the chattering of variable structure, a novel control scheme----fuzzy variable structure control is proposed in the fifth chapter.

针对变结构控制在应用中出现的抖振问题，本文第5章应用趋近率控制与模糊控制的有机结合，提出了模糊变结构控制策略，并应用空间矢量分析法揭示了其控制机理。

This paper represents the basic principle of kinematic analysis of planar mechanisms carried out by using the vector loop equation.

本文以复数形式的矢量封闭方程为基本工具，阐述了用它作平面机构运动分析的原理。

Implementing agencies and the use of crank-rocker mechanism slider combination of six design agencies and institutions to carry out the design of specific size, the use of vector graphics equation analytical method for institutional analysis of speed and acceleration.

执行机构采用曲柄摇杆机构和滑块机构组合而成的六杆机构的设计方案，并对机构的具体尺寸进行了设计计算，采用矢量方程图形解析法对机构进行速度和加速度分析。

The swing mechanism of a rocking mixer is analyzed using the computational software Matlab and vector equation analysis.

应用计算软件Matlab，根据矢量方程解析法对摇滚式混合机的摆动机构进行了分析，由摆动支架摆角变化求出其相应的摆动角速度和摆动角加速度，并计算出整个摆动部分的重心和转动惯量，得到摆动所需功率。

Through proving feasibility and validity of fast Clifford Fourier transform, a new method of vector field data analysis is introduced.

通过证明快速Clifford傅立叶变换的可行性和有效性，介绍了应用快速Clifford傅立叶变换对矢量场数据进行分析的新方法。

Based on the analysis of control strategy of the system, this paper used respectively voltage oriented and stator flux oriented vector control in grid side and rotor side of the converter.

在分析了该系统控制方法的基础上，建立了交直交变频器网侧电压定向以及转子侧定子磁场定向的矢量控制系统模型。

Result of theoretical analysis and simulation indicate that bang-bang controller will result in torque ripple. 3. Through analyzing relationship between voltage and flux in induction motor, a stator flux oriented voltage vector control scheme is proposed.

对砰—砰控制的机理和实质加以论述，通过分析和仿真说明，无论是电流、磁链或是转矩的砰—砰控制都将引起转矩的脉动。

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。