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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。
- Wave--- great graphical ripples and wave patterns. 使图像成波浪状起伏。
- We see that a physically possible wave pattern is an SV-wave incident at an angle. 我们看到,一种物理上可能的波式样是一个以下列角度入射的SV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 quality of IVECG signals, which included baseline drift, P-wave pattern, and QRS wave pattern, were assessed for 10 seconds. 以连续 10 秒心电图基准线漂移程度,P 波图形及 QRS 波图形的清晰状况作为静脉心电图讯号传导品质的评估。
- 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
- By use of data measured and collected with thermocouple technique, fuzzy c-means (FCM) clustering has been applied in recognizing dynamic wave pattern of mould breakout. 并利用结晶器热电偶温度检测技术,把模糊聚类技术应用于漏钢动态波形识别。
- 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。
- By shifting the standing wave pattern in space,a new design scheme to control the rotation direction of the standing wave ultrasonic motor is presented. 利用移动定子中驻波振动模式空间位置的方法,该文提出一种旋转方向可控的驻波超声马达设计方案。
- 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。
- The wave added resistance obtained by analising the unsteady wave pattern is in accordence with the results from the conventional wave added resistance experiments. 本文采用多点单纵切测量系统测出在规则波中迎浪航行船模生成的非定常波形;求出其柯钦函数和波谱函数;并用计算船模远场波能流的方法求出波浪增阻值;将其与常规波浪增阻实验结果相比较;其符合程度令人满意.
- 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。
- The total wave field simulation is realized by this method for the wave pattern conversion and the wave form change in the propagation of the seismic wave. 实现了在微机上用有限差分法对地震波在传播过程中的波型转换及波形变化的全波场模拟。