该公式可计及雷电流波头陡度对磁场的影响。
The formula can reflect the influence of the wavefront steepness of lightning current on the transient magnetic field.
文章提出了基于检测行波电流波头极性的行波电流极性比较式方向保护。
A directional protection based on traveling wave current polarity comparison which is implemented by detecting the polarity of current wavefront of traveling wave is presented.
经过实验验证，对于正弦波、三角波和方波，负载输出电流波形跟踪良好。
For sine wave, triangle wave, and square wave, the good performance of current output is proved by experiments.
并研究了典型电磁脉冲试验电流波的频谱特性，为进行电磁脉冲防护提供依据。
And the wave spectrum characteristics of the typical electromagnetic pulse experimental current is studied in order to provide the basis for electromagnetic pulse protection.
切换电路提供在至少两个偏移采样时刻期间的第一相电流波形，且提供在参考采样时刻期间的第二相电流波 形。
The switching circuitry provides the first phase current waveform during at least two offset sampling instants, and provides the second phase current waveform during a reference sampling instant.
该射频发生器产生的指定范围内的射频波电流。
The radiofrequency generator produces electrical currents in the range of radiofrequency waves.
他说：“在这里发生了另一种现象，我们管它叫电子输送，因为电流的一部分看似根据波的速度按比例决定的。”
"There's something else happening here," he says. "We call it electron entrainment, since part of the current appears to scale with wave velocity."
非线性电气负荷产生的喈波电流增大了电力系统热损耗和终端用户的用电费角。
The harmoic current from nonlinear electric load increases heat consumption in electric system and end-users' burden in electric cost.
利用线模电流的小波变换系数进行测距，不仅不受故障电阻的影响，也不受故障起始角的影响。
The location result is not influenced by fault resistance and inception Angle when wavelet transform coefficient of aerial mode current is used in fault location.
在一致性几何绕射理论基础上，采用等效电流的方法给出了有限锥体在完全极化平面波照射下后向散射场的散射极化矩阵表示式。
Based on the uniform geometrical theory of diffraction, the equivalent current is used to calculate the back scattering field for the finite cone.
文章阐述了斩波调速原理，指出峰值电流的大小会影响元器件的寿命，所以有必要对瞬时电流的大小进行控制。
It is pointed out, while expounding the principle of chopper speed variation, that the value of peak current can affect the service life of components and so it is necessary to control.
电子控制单元使电流通过初级绕组直到感知到一个从转速传感器或拾波线圈产生的触发电压脉冲。
The electronic control unit allows current to flow through the ignition coil primary winding until it senses a triggering voltage pulse from the speed sensor, or pickup coil.
论述了电爆炸导体的爆炸机制，设计了两个电爆炸断路开关的电感储能电路，通过斩波来产生一个纳秒级大电流的单触发脉冲。
Through studying the mechanism of the electric exploding, an inductive storage circuit with two electric explosive switches is designed to produce shot nanosecond pulse by chopped wave.
双凸极永磁电机的功率控制器通常采用电流滞环斩波控制。
Hysteretic current PWM control is often used in doubly salient permanent magnet motor drive.
在以前文献中，曾从含有经典碰撞项的动力方程出发，研究了波驱动电流的相对论效应。
Relativistic effects of wave - driven current in a plasma have been studied in earlier work employing the kinetic equation with a classical collisional term.
这可导致粒子的速度扩散、动电流及波的吸收。
The velocity diffusion current drive and wave absorption will result.
详细介绍了PWM式中峰值电流模式控制中的斜波补偿技术的原理。
The paper introduces the theory of slope compensation in the current-mode of control of PWM mode in detail.
补偿电流跟踪控制选用三角波比较控制法，并采用带电压前馈控制的比例调节闭环控制。
Compensatory current control adopts triangle wave compare control, and DC voltage control adopts PI closed loop control.
本文从电压和电流的基本方程出发，分析脉冲波在多导线传输系统的传播现象和多导线传输系统导线间的相互耦合作用。
In this paper the propagation of pulse wave on and the mutual coupling between conductors of a multi-conductor transmission system are analysed from the basic voltage and current equations.
讨论了电容滤波单相整流电路中二极管电流的形波。
In this paper, the current waveforms of diodes in the rectifier with capacitor filter are discussed.
它将有关低频脉冲信号对中频调幅后，利用被放大的调幅波电流对人体进行治疗。
It will give patients treatment by means of the amplified amplitude modulating wave current that can be obtained form medium frequency amplitude modulated by the low frequency pulse signal.
同时针对直流侧三重化斩波三相电流环流问题，确立采用动态电流均流的控制策略。
Meanwhile in allusion to the problem of uniform triphase chopping circulating current in DC side, dynamic share current control strategy was employed.
首先介绍了基片集成波导(SIW)这一新技术，并用表面电流理论解释了电磁波在SIW中的传输模式。
A new technique called substrate integrated waveguide (SIW) is presented in this article, and then wave modes in the SIW structures are explained by using surface currents theory.
在基于负载电流前馈解耦的正弦波逆变器多环控制策略中，负载电流前馈作用的延迟直接影响着系统的性能。
In the multiple-loop control strategy for sinusoidal inverters based on load current feedforward, delay of the feedforward directly impacts the system's performance.
该文论述了负载电流为非正弦波时功率因数测量的新方法。
This paper presents a new method for measuring the power factor in nonsinusoidal load current.
提出采用斩波式电流型开关电源结合单片式步进电机驱动器TA8435H，构成一种电机驱动电路的方案。
A method of stepping motor driver circuit was given, composed by a chopper type current mode switch regulator and a monolithic stepping motor driver TA8435H.
提出一种新的整流电源控制策略，它可以使整流电源工作时，从电网输入的电流近似为正弦波，功率因素接近1。
This paper describes a new method used for controlling convert power supply, which can make the input current to be sinus waveform, and the power factor to be 1.
讨论了获得脉冲电流的原理。实测波形显示，输出的矩形波脉冲电流非常精确，且带有前沿尖峰，有利于电弧的稳定。
The wave shape measured indicates that the converter outputs the exact square pulse current with a peak in each front edge of pulse which is the benefit for arc stabilization.
针对多相电机控制模式复杂性的特点，提出一种新颖的控制方式：即六相感应电机梯形波相电流控制。
With the complexity of the control of multiphase machines, a novel control method was proposed in this paper, namely six-phase motor trapezoidal wave phase current control.
针对多相电机控制模式复杂性的特点，提出一种新颖的控制方式：即六相感应电机梯形波相电流控制。
With the complexity of the control of multiphase machines, a novel control method was proposed in this paper, namely six-phase motor trapezoidal wave phase current control.
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