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In the square wave current welding,the inductance is very important to influence the fomation of square wave A. 在方波交流焊中，电抗器的电感量对方波的形成及电弧的稳定性有着很大的影响。
Detecting back EMF is one of the most important methods for the detection of rotor position in square wave current drive BLDCM sensorless control. 方波电流驱动的BLDC电机无位置传感器控制检测转子位置的最重要方法是反电动势检测法。
STUDY OF ZINC OXIDE FILMS BY A SQUARE WAVE CURRENT WAVE CURRENT ELICTROLYSIS 方波脉冲电沉积氧化锌薄膜的研究
square wave current 方波电流
For sine wave, triangle wave, and square wave, the good performance of current output is proved by experiments. 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。
It can obtain dropping characteristic when AC, welding current waveshape is rapid zero-crossing square wave, it is propitious to welding current and arc stability. 交流时可获得陡降外特性，焊接电流波型为迅速过零的方波，有利于焊接电流和电弧稳定。
Excellent staable are from Ac square wave, avoid high frequency hazard. 交流方波自稳弧性能优异,免除高频危害。
Square waves, like sine waves, are periodic. 方波如正弦波一样是周期性的。
The concept of square wave and EFT drive unit are introduced in this paper. 本文介绍方波信号发生器及场效应管驱动器的原理与设计。
When the square wave signal pass the LPF,we can get the sine signal. 经过分析可知,检测过程中的低通滤波器对检测的精度和速度有重要影响。
Introduce the principle of MOSFET AC square wave inverter power source. 介绍了MOSFET交流方波逆变电源的工作原理。
Sine wave current subdividing technology not only overcomes the disadvantages of motor"s vibration and noise at low speeds but also reduces probability of resonance. 正弦电流细分技术基本上克服了传统步进电机低速振动大和噪音大的缺点,减小发生共振的几率。
As an example of the technique, let's compute the Fourier series which corresponds to a square wave. 作为这种方法的一个例子，让我们计算一个方波的傅里叶级数。
Square waves are superimposed on a constant bias current to determine the time constants under diversiform over heat ratios. 对该剪应力传感器进行了方波实验,确定其工作在不同过热比下的时间常数。
The signal thus received will no longer look like a square wave but will be distorted in shape and spread out in time. 这样收到的信号看起来不再象矩形波,而是受到畸变,并且持续时间延长了。
When the actuator is actuated with a square wave, the corresponding mean velocities are 4.70m/s and 4.22m/s. 该致动器存在两个共振频率;在共振频率下工作;方波分别出现了4.;70m/s和4
The paper deals with the basic principles of the pulsed square wave AC MIG/TIG welding power source. 主要介绍双凹波形脉冲氩弧焊电源的工作原理。
A device that generates high-frequency pulses(usually a square wave) for purposes of synchronization and event timing. 一种发生高频脉冲（通常是方波）的装置，以达到同步和事件定时的目的。
Simulation results indicate that an input square wave can be tracked precisely using this feedforward controller. 仿真结果表明，该前馈控制器可以精确跟踪方波输入信号。
A device that generates highfrequency pulses (usually a square wave) for purposes of synchronization and event timing. 一种发生高频脉冲(通常是方波)的装置,以达到同步和事件定时的目的。