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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。
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。
Square waves, like sine waves, are periodic. 方波如正弦波一样是周期性的。
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。
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。
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
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。
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。
Standard output includes sine wave, square wave, inclined wave, noise wave, Sin(x)/x, true flow and other is undee. 客户未按照说明书要求，错误安装，保管及使用而造成的设备（包括部件）故障或损坏；
Adjustable square wave generator, square wave to control the amplitude, frequency, duty cycle. 可调方波发生器，可以控制方波的幅值，频率，占空比。
By using a square wave for ac-excitation, with the polarity of the excitation signal reversed between measurements, the induced dc errors can be effectively cancelled. 由使用一个方形波为交流励磁,与励磁信号在测量之间的极性扭转,被感应的直流误差可能被有效地消除。
The wave polarization and impedance characteristics in the near field of combinations of an electric and a magnetic Hertz dipoles. 赫芝电偶极与同向赫芝磁偶极混合源近场之极向与波阻抗特性。
I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
The wave polarization and impedance characteristics in the far field of combinations of an electric and a magnetic Hertz dipoles. 赫芝电偶极与同向赫芝磁偶极混合源远场之极向与波阻抗特性。