For the electric vector of electromagnetic wave. we discussed its amplitude, wavelength, phase, and attenuation length.
以波的电矢量为例，具体讨论了衰减电磁波的振幅、波长、位相以及衰减波的衰减长度。
These phenomena indicated that, in the KCLO3 crystal the included angles between the electric vector vibration direction of double refraction light and of the incident linearly …
这些现象表明，KCLO3晶体中的双折射光束电矢量的振动方向与入射的线偏振光电矢量的振动方向间夹角，随晶体的方位而改变。
The concentrated copy electric energy meter is to old meters aluminium disk revolution translate into pulse signal, and to pulse count translate into electric vector data for storage.
集抄电能表是通过将原基表的铝盘转数转化成脉冲信号，并将脉冲数转化为电量数据存储。
Maxwell's equations conserve certain properties-the magnetic field intensity, the electric displacement field and the Poynting vector that describes the electric flux of an electromagnetic field.
麦克斯韦方程中有某些特性是恒定不变的——磁场强度、电位移场以及描述电磁场电通量的坡印廷矢量。
Hopefully most of you know that the electric field is a vector field that basically tells you what kind of force will be exerted on a charged particle that you put in it.
希望大多数人都知道电场是向量场，电场描述了，对场中的带电小颗粒的力的作用。
The spectral domain Green's functions of scalar and vector potentials for vertical and horizontal electric as well as magnetic dipoles in multi-layered medium are presented and verified.
本文给出多层媒质中水平和垂直电、磁偶极子的谱域标量位和矢量位格林函数的一般表达式，并验证了其正确性。
The tendency of Motor Drive System in Electric Vehicle is introduced. The structure, controller and vector control method of AC Induction Motor Drive System in Electric Vehicle are discussed.
介绍了电动汽车电机驱动系统的发展趋势，阐述了电动汽车交流感应电机驱动系统的结构、控制器以及矢量控制方法。
The Green's functions for electric and magnetic vector potentials in a sectoral wave guide and its cavity are derivated by using the separation of variables, Fourier transform and residue theory.
文中介绍了扇面直波导及其腔体中电矢量位和磁矢量位的格林函数，采用分离变量法、傅里叶变换法和留数定理导出了格林函数的具体表达式。
When the end of the electric field vector travels in an ellipse, the light is elliptically polarized.
电场矢量的末端沿一椭圆移动的光叫椭圆偏振光。
In this paper a vector controlled ac speed-regulating system is developed, which adopts the rotor flux field-orientated theory to meet the requirements for an electric traction system.
本文依据矢量控制的基本原理，针对电力牵引系统对电机控制性能的要求，设计了基于转子磁场定向的矢量控制交流调速系统。
This paper discusses the above problems basing on Husuzhe electric map exploring practices, summarizes the design principle and method of common vector digital map on map design.
本文以沪苏浙电子地图的开发实践为基础，对上述问题进行了探讨，并从地图设计的角度总结了通用型矢量电子地图的设计原理与方法。
Nowadays, the speed sensorless vector control system of induction motor is one of the hot topics in the field of electric drive system.
无速度传感器异步电机矢量控制系统是目前电气传动系统中研究热点之一。
The electric current density vector field also satisfies superposition principle some applications thereof are introduced.
摘要电流密度矢量场也满足叠加原理，给出了一些应用电流密度场叠加原理的例子。
The direction of the electric field vector is indicated in each picture.
每张照片上都标出了电场矢量的方向。
The results show that the electric vehicle with AC drive system which adopts the vector control has the excellent performance of speed regulation.
结果表明，采用矢量控制的交流驱动电动汽车具有良好的调速性能。
It sums up the definition, general expressing formula and general calculating method of flux in any vector field by analyzing the flux in the speed field, electric field and magnetic field of fluid.
文章通过对流体的速度场、电场和磁场中通量的解析，总结出了任意的矢量场通量的定义、一般表达式及一般计算方法。
It elaborated the practical applications of vector control system of asynchronous electric motors.
阐述了其在异步电动机矢量控制系统中的实际应用。
Main transmission device: the main transmission device adopts electrician converter of Shenzhen Huichuan to control the vector electric machine, transferring each group of printing blocks.
主传动机构：主传动采用是深圳汇川矢量变频器控制矢量电机，传动每组印版。
In wind power system, a vector control strategy using rotor induct electric potential orientation for doubly fed generator was proposed.
针对风力发电系统中的双馈电机提出一种转子感应电势定向矢量控制方法。
Vector potentials produced by uniform electric current in the shape ring, cylinder and disc are discussed.
采用柱对称性和叠加原理讨论了均匀载流圆环、圆筒、圆盘的矢势问题。
The results prove that the physic characteristics of symmetrical static electric field can be described by the vector potential in static electric field.
结果说明在电场中引入矢量势，能够刻画静电场的物理性质。
According to the control strategy of ac motors, the two control means put forward to be applicable to electric vehicle about VVVF and space vector.
依据交流电机的控制策略，提出了适用于电动汽车交流电动机控制的变频变压调速和矢量控制两种控制的实现方法。
The electric current density vector field also satisfies superposition principle, some applications thereof are introduced.
弦变线电流阵列在球面上电磁场及功率密度流之时变向量与三维场形。
From circuit theory and examples, this paper proves that the spiral vector satisfies the basic law of the electric circuit. All the linear circuit analysis methods can be used for the spiral vector.
文中从理论和实例两方面论证，螺旋相量满足电路的基本定律，线性电路的分析方法对于螺旋相量均适用。
From circuit theory and examples, this paper proves that the spiral vector satisfies the basic law of the electric circuit. All the linear circuit analysis methods can be used for the spiral vector.
文中从理论和实例两方面论证，螺旋相量满足电路的基本定律，线性电路的分析方法对于螺旋相量均适用。
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