1·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。
2·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。
3·By STC12C5A60S2 new PCA modules can be adjusted to produce the duty cycle square wave.
说明：通过STC 12c5a 60s2新增的PC A模块来产生占空比可以调节的方波。
4·Syllable with a different frequency square wave, square wave of the frequency control timer.
音节有不同频率的方波产生，利用定时器控制方波的频率。
5·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。
6·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。
7·Linear integral compare method was proposed to realize PWM square wave, which can increase the wave frequency.
在PW M脉宽调制的软件实现方法上，提出了线性积分比较法，大幅提高了脉宽调整方波的频率。
8·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。
9·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。
10·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。
1·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。
2·A simple and high - Performance brushless DC generator consisting of a controlled rectifying circuit and permanent magnet square wave motor is Presented.
提出了一种可控整流电路，它与永磁方波电机联合构成一种简单、高性能的无刷直流发电机。
3·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。
4·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。
5·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。