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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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