查询词典 field magnet

We only observe the small portion of the magnetic field that extends to the surface and beyond, where its basic structure is a dipole that is, a simple north south field like that of a simple bar magnet .

我们仅仅观察到扩展到地表和地表以外的磁场的一小部分，在这里它的基本结构是一个偶极子，就像一个简单的棒磁铁一样是一个简单的南北极磁

We only observe the small portion of the magnetic field that extends to the surface and beyond, where its basic structure is a dipole that is, a simple north south field like that of a simple bar magnet.

我们仅仅观察到扩展到地表和地表以外的磁场的一小部分，在这里它的基本结构是一个偶极子，就像一个简单的棒磁铁一样是一个简单的南北极磁场。

If the sun were a rigid body, its magnetic field might resemble the earth's, with symmetrical field lines like a bar magnet 's.

如果太阳是一颗固体星球，其磁场或许与地球磁场相似，像条状磁铁那样具有对称的磁力线。

The field from the coil opposes the field of the magnet, allowing the contacts to open.

线圈形成的磁场抵消掉磁铁的磁场之后，既可是触点打开。

Analysis magnet field is realized by Maxwell 2D on finite-element of electromagnetic field analysis. Inductance of coil as well as electromagnetic force was calculated by means of it.

2利用Ansoft软件中的Maxwell 2D磁场有限元分析软件进行电机磁场分析、静态电磁力的仿真计算以及电机线圈自感的计算。

The magnetic field of magnet is the same with the magnetic field of electric current, they all caused by the movement of electric charges.

磁铁的磁场跟电流的磁场一样，都是由电荷的运动产生的。

The fundamental formulae of magnetic field were used to deduce the formulae for the three-dimensional magnetic field of tubular magnet.

应用磁体空间磁场规律的基本公式，推导了管柱形永磁体的三维空间磁场规律计算公式。

The conversion between the electromagnetic energy and mechanical energy is completed in the magnetic field, and permanent magnet was applied in this designing to establish magnetic field to complete the conversion of energy.

电机中的电磁能与机械能的转换是在磁场中完成的，本设计中采用永磁体建立磁场，完成能量的转换。

It does not need an external power supply to excite the rotor field and hence the field winding and slip rings are eliminated. This thesis sets up the mathematical model of the permanent magnet synchronous motor in SIMULINK.

本文主要研究了永磁同步电机交流伺服系统的建模仿真和基于TMS320LF2407A数字信号处理器的系统实现，主要内容如下：建立了永磁同步电动机在dq坐标系中的数学模型，在SIMULINK中建立了仿真模型。

Permanent magnet synchronous motors have been widely used as AC drives over the last two decades due to their high efficiency, high power density and no dc field winding in the rotor. It is well known motion control of PMSM requires accurate position and velocity signals to realize field orientation.

永磁同步电动机由于无需励磁电流、运行效率和功率密度都很高，在过去的二十年里已被广泛地应用在交流调速传动中，但它的高性能控制需要精确的转子位置和速度信号去实现磁场定向。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。