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- The square wave source is an impulse source in which digital technique is used.It has the advantages of rigid phase, high frequency stabilization and high antijamming. 方波电源是采用数字技术的脉冲电源,具有相位严格、频率稳定度高,抗干扰能力强等独特的优点。
- DAC0832 achieve sawtooth, triangle wave, square wave, sine wave, staircase wave, trapezoidal wave source compilation DAC0832实现锯齿波，三角波，方波，正弦波，阶梯波，梯形波的汇编源码
- 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 wave source 方形波源, 矩形波源
- 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。
- 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。
- Square waves, like sine waves, are periodic. 方波如正弦波一样是周期性的。
- 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。
- 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。
- Here is relative motion between wave source and observer in the Doppler effect. That makes observers feel the phenomenon of changing in frequency. 多普勒效应由于波源和观察者之间有相对运动,使观察者感到频率发生变化的现象。
- 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。
- Uphole shooting is a mostly direct and effective method.Similarly, shear wave uphole shooting can be conducted using shear wave source. 微测井一直是解决纵波勘探表层问题最直接最有效的表层调查方法，同样利用横波震源，也可以进行横波微测井采集。
- 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。
- The disadvantages and improvements-to-be of the shockwave lithotripter are limited to its wave source and positioning system. 详细介绍了当今冲击波碎石机在波源和定位系统方面存在的缺陷及有待改进之处。
- 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。
- 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。
