无线电信号既具有电的特性也具有磁的特性。
分选空间必须选用不导磁的耐磨损材料;
In order to realize the theory, the separation space must be un-conducted magnetic materials.
分析了有源和无源谐波励磁的两种方法。
Active and reactive methods for generate harmonics for exciting were introduced.
首先,本文介绍了产生变压器直流偏磁的原因。
Firstly, the reasons of DC magnetic bias on transformer are studied.
分析了全桥逆变器功率变压器产生直流偏磁的机理;
The cause of the DC bias of the main transformer in the full bridge inverter has been analyzed.
本文分析了导致逆变电源输出变压器直流偏磁的原因。
By analyzing the causes of the flux imbalance in the output transformer of the inverter.
介绍了发电机自并励励磁的原理、特点及其保护功能。
The principle, features, and protective functions of generators with self-shunt excitation have been presented.
自励磁条件和自励磁暂态过程是研究自励磁的两个方面。
The self excitation conditions and the transient process are two aspects for studying self excitation.
这位朋友知道在巴黎还有另外一个研究磁的性质的物理学家。
This friend knew of another physicist working in Paris who was also working on the properties of magnetism.
分析了变换器产生偏磁的机理,并给出了抑制偏磁的方法。
The mechanism of magnetic bias is analyzed and the suppression method is explained.
开关的微驱动部分由导磁的悬梁、扭梁和线圈、永磁体组成。
The microactuated part consists of cantilever, torsional girder, planar coils and permanent magnets.
在此基础上推导了PET和发电机励磁的最优协调控制规律。
An optimal coordinated control strategy for the generator excitation and PET is deduced.
它利用多谐振荡桥励磁的单纳米晶磁芯双绕组差动对称结构。
The sensor has differential symmetric structure with single nanocrystalline core and double coils excited by multivibrator bridge.
介绍该直流驱动系统的基本控制方法,提出续流调磁的设计思想。
The fundamental control method for this drive system is introduced, and a concept of magnetic poles modulated by continuous current is presented.
从以上结果,可以估计冲击法测磁的积分误差,并采取适当对策减小它。
From above results, the integration error in ballistic magnetic measurements can be assessed, and decreased by taking reasonable measures as well.
二者相结合提出了一种新的SVC与发电机励磁的鲁棒非线性协调控制律。
Then a new robust nonlinear coordinated control law for SVC and generator excitation is developed.
本文主要是基于微分几何的理论,研究同步发电机励磁的非线性控制问题。
This paper is based on the differential geometry, researching on the nonlinear excitation control of the synchronous generator.
双输出绕线式发电机的定转子绕组之间不仅有磁的联系,而且有电的直接联系。
There are not only magnetical connection but also direct connection of electricity between stator and rotor windings of the doubly fed slip-ring generators.
低温下始终出现自旋玻璃或团簇玻璃行为,说明存在反铁磁与铁磁的相互竞争。
All the compounds are spin-glass or cluster-glass phase below a certain temperature due to the competition between the antiferromagnetic and ferromagnetic correlations.
建立了基于变换器励磁的双馈感应电机的变速恒频风力发电功率控制系统的模型。
A variable speed constant frequency wind power generation system of doubly-fed induction generator based on converter excitation was described.
反应式步进驱动电机的转子无绕组,由被励磁的定子绕组产生反应力矩实现步进运行。
Reactive stepping motor rotor windings without, the excitation of stator winding respond to realize stepping operation torque.
反应式步进驱动电机的转子无绕组,由被励磁的定子绕组产生反应力矩实现步进运行。
Reactive stepping motor rotor windings without, the excitation of the stator winding reacts to achieve step operating torque.
我们会开始寻找实验证据证明这些固定励磁的存在,尤其是因为在其他材料中很难产生孤波。
We'd like to start looking for experimental evidence that these localized excitations occur, not least because solitons in other materials are hard to generate.
开关磁阻电动机在两相励磁的工作条件下,定转子轭部磁场高度饱和使每相磁链有所减小。
When the switched reluctance motors operate in two phase excitation mode, the phase flux linkage will be reduced due to the high magnetic saturation in the stator and the rotor yoke.
针对SVC与发电机励磁的协调控制问题,研究了能够实现干扰抑制的鲁棒非线性协调控制律。
For the problem in coordinated control of SVC and generator excitation, robust nonlinear coordinated control law is studied which can achieve disturbance attenuation.
可以拿一个没有受磁的铁环,将表在铁环中慢慢穿来穿去,这么重复几遍后,手表便会退磁复元。
Can not take a magnetic ring, the table in the hoop slowly to wear to wear, so repeated several times, the watch will Fuyuan demagnetization.
然后将方法1和方法2分别应用于该模型,得出两种多机系统励磁的非线性L_2增益干扰抑制控制律。
Method 1 and method 2 are applied to the constructed nonlinear model, and then two nonlinear L2 gain disturbance attenuation control laws for multi-machine excitation are deduced.
然后将方法1和方法2分别应用于该模型,得出两种单机系统励磁的非线性L_2增益干扰抑制控制律。
Method 1 and method 2 are applied to the constructed nonlinear model, and then two nonlinear L2 gain disturbance attenuation control laws for single-machine excitation are derived.
作为一名成就卓著的科学家,富兰克林的确用电来做过实验,但是他不是第一个描述并探索电和磁的特性的人。
Although an accomplished scientist who experimented with electricity, Franklin was not the first to describe or explore the properties of electricity and magnetism.
作为一名成就卓著的科学家,富兰克林的确用电来做过实验,但是他不是第一个描述并探索电和磁的特性的人。
Although an accomplished scientist who experimented with electricity, Franklin was not the first to describe or explore the properties of electricity and magnetism.
应用推荐