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- Contrast aging tests are carried out on twisted pairs simulating inter-turn insulation and insulation to ground of inverter-fed traction motor under AC and square wave pulse conditions. 变频牵引调速电机匝间绝缘承受来自逆变器的连续高压脉冲方波的作用,其老化机理与工频正弦电压作用下具有很大差异。
- The results show that the good surface qua lity and high truing efficiency of superhard grinding wheel with metal bond can be obtained by using the square wave pulse electric spark tr... 研究结果表明,采用方波脉冲式电火花修整金属基结合剂超硬砂轮可获得良好的砂轮表面质量和高的整形效率。
- The electrochemical performance of High Silicon-Iron Anodes Exerted by Square Wave Pulsed Currents (SWPCs) was studied by electrochemical. 摘要采用电化学方法和阳极消耗率评价法研究了高硅铸铁阳极在方波脉冲电流作用下的电化学性能。
- Cathodic Protection in a Simulated Pipeline System by Square Wave Pulse Current 模拟管线系统中方波脉冲电流阴极保护规律的研究
- square wave pulse 矩形脉冲
- square wave pulse current 方波脉冲电流
- square waves pulse 方波脉冲
- 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。
- In ultrasonic wave pulse reflection crack detection system development the blocking designing method is used, systemmaintainability is progressed. 在超声波脉冲反射探伤系统开发中，采用了模块化的设计方案，提高了系统的易维护性；
- Unlike available similar instrument, which outputs pulse square waves, the myopia and amblyopia treating instrument of the present invention outputs sinusoidal waves. 本发明输出的电流波形为正弦波(而现有的近视弱视治疗仪器输出电流均为脉冲方波)。
- 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。
