Pulse width Modulation device is a circuit which can produce square wave signal with fixed period and adjustable pulse duration ratio (pulse width).
脉宽调制器是一种能够产生周期固定而占空比(脉宽)可调的方波信号的电路。
The rare earth permanent magnet brushless DC square wave motor is a new type of motor. With its high performance, the motor shows a broad prospect for further advances.
稀土永磁无刷直流方波电机是一种新型电动机，其性能优越，发展前景广阔。
The square wave operating tests are initially discussed too.
对方波运行试验也进行了初步的探讨。
The probability of quasi-square wave spatial solitons is also involved.
提出了准方波形空间光孤子的可能性。
The waveform square wave, sine wave, triangle wave and the sawtooth wave, etc.
其波形有方波、正弦波、三角波和锯齿波等。
The principle of square wave inverter using IGBT switch devices was introduced.
本文介绍了新型开关元件IGBT管作为逆变开关元件的交流矩形波逆变器的原理。
Digital control is used to create a square wave, a signal switched between on and off.
数字控制被用来创建一个方波，信号在开和关之间切换。
The generator can output three kinds of waves : sine wave , square wave , triangle wave.
该函数信号发生器可输出三角波，方波和正弦波。
Direct digital synthesis is used for modulating the frequency and amplitude of the square wave.
此方法利用直接数字合成技术完成对方波的频率和振幅的调整。
The inductance of energy storage reactor in square wave AC welding has been chosen and analyzed.
对方波交流焊接电源电抗器电感量的选择作了介绍。
This paper introduces a method to generate square wave of high resolving power and wide frequency range.
介绍了一种高分辨率宽频域方波脉冲的产生方法。
This paper deals with an AC servo system with permanent magnetic brushless motor driven by square wave current.
研究了方波电流驱动的永磁无刷电机交流伺服系统。
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 operation principle and designing method of PWM controller of brushless DC square wave motor is introduced.
本文介绍了无刷直流方波电机的工作原理和其PWM控制器的设计。
If the pumping signal is the periodic square wave, the damped oscillation wave will be generated in the circuit.
在周期性方波激励下，电路中产生衰减振荡波形。
The nonlinear load will draw a nonsinusoidal current, such as a square wave, which contains harmonic components.
非线性负载会形成非正弦电流，如方波，其中包含谐波成分。
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。
On this basis, realizing low delay square wave signal output by Switching two different amplitude DC signals with SPDT;
在此基础上，通过采用单刀双掷电子开关切换两路幅值不同的直流量实现低时延方波信号输出；
The pulse width measuring of the different frequency square wave signals was done by using interrupt control technology.
应用中断控制技术测量不同频率方波信号的脉冲宽度。
The power can output several kinds of welding current such as variable polarity square wave AC, DC and pulse current etc.
该电源可实现变极性方波交流、直流、脉冲电流等多种输出。
With square wave or amplitude modulating wave transmission, the speech communication will have satisfactory intelligibility.
言语若采用经调制后的方波或调幅波传递，将会获得满意的可懂度。
It can provide complete square wave in the transformer, which can provide a simple self-driving method for synchronous rectifier.
同时变压器上是完整的方波，可以给同步整流提供简单有效的自驱动方案。
If the programs are slightly changed, any waveform can be generated and output, such as triangle wave, square wave and zigzag wave, etc.
程序稍作修改还能生成并输出任意波形，如三角波、方波、锯齿波等。
This paper presents the additive cyclic square wave voltammetry and checking potential additive cyclic square wave voltammetry (CPACSWV).
本文提出叠式循环方波伏安法和对位叠式循环方波伏安法，对简单可逆电极体系的理论作了推导和验证。
This modulation is converted to a square wave output signal proportional to the rotary speed by an amplifier with trigger characteristics.
通过带有触发器特征的放大器将这种调制转换为方波输出信号，该输出信号与旋转速度成正比。
The practice proves that this circuit is effective for separation of high-frequency square wave signals and peak pulse interference signals.
实践证明：该电路能有效地实现高频方波信号与尖峰脉冲干扰信号的信噪分离。
The present invention relates to a circuit which can reshape waveform of any base value voltage and peak value voltage into regular square wave.
本发明涉及一种能够将任意基值电压和峰值电压的波形整形为规则的方波 的电路。
This paper presented a neural network based technique to obtain fundamental waveform from a single phase half bridge inverter by square wave mode.
以方波模式运行的单相半桥逆变器为研究对象，提出了一种利用神经网络提取逆变器方波输出电压基波成份的新方法。
This paper presented a neural network based technique to obtain fundamental waveform from a single phase half bridge inverter by square wave mode.
以方波模式运行的单相半桥逆变器为研究对象，提出了一种利用神经网络提取逆变器方波输出电压基波成份的新方法。
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