研究压电智能梁结构力电耦合位移电势分析的新理论新方法。
The new theory and new method of the electromechanical displacement and electric potential analysis of piezoelectric intelligent beam are studied in the paper.
通过对ML4428的介绍,分析了反电势感应技术在无刷直流电机中的应用,并给出了其中一些重要参数的计算方法。
The application of the technology of back EMF induction in BLDC are analyzed by introducing the IC ML4428. The calculation formulas of some important parameters are shown behind.
对电势零点的选取问题进行了分析,重点论述了电势零点如何选取及所限定的条件。
The problem of choice of zero point of electric potential is analyzed. concentrating on how to choose and the limited conditions.
对样机空载电势波形的谐波分析表明,齿谐波电势分量很大,导致空载电势波形的畸变率较大、波形较差。
Harmonic analysis shows that tooth harmonic components of no-load EMF waveform is considerable high, which give rise to high distortion and bad waveform.
电势是物理学的一个基本概念,中学物理和普通物理都对它进行了介绍和分析。对基本放大电路进行动态分析时,它仍然起着重要作用。
Elctric Potential, a basic conception in physics, is introduced and analyzed in middle school physics and common physics. It still takes effect in analyzing dynamically basic amplification circuit.
然后分析利用三次谐波电势的上述保护的有关问题。
The problems pertaining to the utilization of third harmonics of the generated EMF for the above mentioned protection are analyzed.
综合分析了氧电势法的基本原理及测定装置。
The basic principle and apparatus of measuring oxygen potential in molten iron were described.
依据导电沟道内的电势分布,分析了栅极长度变化对OSIT工作特性的影响。
Depending on the potential distribution in the conductive channel, the influence of changing gate length on the OSIT s operation characteristic is analyzed.
依据导电沟道内的电势分布,分析沟道宽度变化对OSIT工作特性的影响。
Depending on the potential distribution in the conductive channel, the influence of changing channel width on the operation characteristic of OSIT is analyzed.
分析中考虑了定子电阻及换相期间反电势变化的影响,指出了忽略定子电阻后对分析的精确度带来的影响及主回路设计时所应注意到的一些问题。
The effects on accuracy of analysis and the problems that should be considered in the design of inverter circuit after neglecting the stator resistance are indicated.
通过分析电四极矩的两个定义的异同,举例分析它们求电势的方法。
This paper illustrates the difference of two definitions of electrical quadrupole moment, analyzing the method of solving potential by making use of them.
分析了下桥臂调制方式下绕组端电压波形,并基于此介绍了反电势法检测转子位置原理。
Voltage waves are deduces on lower bridge arm PWM modulation and theory of rotor position detection based on EMF is introduced.
分析了谐波反电势信号的构成,设计了相应的位置信号检测电路及步进电动机的微机控制系统。
The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed.
结合上下桥臂轮流斩波PWM调制方式,从理论上分析了不导通相电流产生的原因,并进行了实验研究,表明不导通相电流的大小与不导通相的反电势大小有关。
Theoretically analyzed the cause of the non-conduction phase current with the PWM method of upper and lower bridge arm chopping by turns, and made some experiments to verify its validity.
通过对支路感应电势不对称度的分析,总结出了绕组连接方案选优依据。
After analyzing branches electric potential dissymmetrical degree, a standard by which we can know which winding project is the best one is brought forward.
分析了反型层的杂质分布、最大沟道电势与注入剂量、氧化层厚度和栅压等之间的关系。
The relations of impurity profile in the inversion layer and the maximum channel potential versus dose, width of SiO_2 and gate bias are analysed.
对方波电机,文中提出了一种新型的用变压器电势抵消激磁电势而实现的等效弱磁控制方法,并作了理论分析与实验验证。
For square wave motor, the thesis set forth equivalent weakening magnet field control way by use of transformer electric potential to...
在B3LYP/6-311G计算所得的平衡几何构型基础上,分别根据静电势和分子轨道计算研究了分子中-NH2和-N(CH3)2的亲核性,并与偏二甲基肼和卤代烃反应的实验结果进行了对比分析。
On the basis of equilibrated geometrical structure obtained by B3LYP/6-311G method, the nucleophilicity of-N(CH3)2 and-NH2 groups are investigated by electrostatic potential and MO calculations.
在B3LYP/6-311G计算所得的平衡几何构型基础上,分别根据静电势和分子轨道计算研究了分子中-NH2和-N(CH3)2的亲核性,并与偏二甲基肼和卤代烃反应的实验结果进行了对比分析。
On the basis of equilibrated geometrical structure obtained by B3LYP/6-311G method, the nucleophilicity of-N(CH3)2 and-NH2 groups are investigated by electrostatic potential and MO calculations.
应用推荐