Different signals such as sine waveform, step waveform and exponential waveform are available. Its frequency and phase can be adjusted precisely through the front panel.
此信号发生器可以方便输出正弦波、方波和指数波等各种不同波形的信号,输出信号的频率和幅值等参数可通过前面板控制。
A approximately sine waveform air-gap magnetic field density can be gained based on the analysis of the whole electromagnetic field. The results are helpful to optimization design and control.
通过分析得到整个电机电磁场的分布及波形近似为正弦的气隙磁感应强度,分析结果有助于对电机进行优化设计和控制。
Such problems as the attenuation of DC elements and Sine waveform, voltage sag and frequency deviation should be taken into account in order to analyze the transient process in the power system.
要分析电网的暂态特性,还必须考虑衰减直流分量和衰减正弦波,以及电压缺口和频率偏移等问题。
The paper introduces a multi-level H-bridge converter, which produces 18-step waveform according to required control method. The standard sine waveform can be gotten after passing through the filter.
介绍了一种多级H桥并联变换器,通过一定的控制方式使每个H桥变压器副边产生的波形叠加成18阶梯波,经滤波后可得到比较标准的正弦波。
Waveform distortion is a primary factor affecting the measure precision of steady sine standard vibration calibration system.
波形失真度是稳态正弦标准振动台计量中影响计量校准精度最主要的因素。
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。
This method decomposes a measured signals waveform into a series of sine and cosine components.
这种方法有节制的信号分解成一系列的波形正弦和余弦的组成部分。
We use the response waveform from the calibrating with step or steady sine current to calculate the transfer function of a seismometer.
介绍了利用地震计对阶跃电流标定或稳态正弦电流标定的响应波形获取地震计传递函数的方法。
To produce the smooth waveform with the stable frequency, this paper presents a design method of sine signal generator's function circuit which is based on the DDS theory.
为了能够方便地产生波形平滑、频率稳定的正弦信号波形,提出了一种基于DDS技术的正弦信号发生器的设计方法。
Both the computer simulation and model experiment prove that it can reduce the total harmonic distortion of the harmonic current from 30.53% to 9.45% and make the waveform approach to sine wave.
通过仿真和电路试验证明,该滤波电路能将电流畸变率由原来的30.53%降低到9.45%,从而使交流侧的电流接近正弦波。
The reconstruction of minimum phase signal, such as the HEMP waveform, cosine or sine exponentially damped waveform etc, shows good agreement with the original.
对几类函数波形和一组实测高空核爆电磁脉冲(HEMP)波形的验证结果表明,HEMP波形、余(正)弦阻尼振荡波形等信号的重建波形与原始波形符合很好。
The current response speed is proved to be faster, and the grid-connected current waveform is sine and the power factor is unity.
获得了较快的电流响应速度,实现了并网电流的正弦化和单位功率因数。
This shows that the ideal goal of waveform shaping is half-sine stress pulse with a wider period of time.
由此可见,波形整形设计的理想目标为具有较宽历时的半正弦应力脉冲。
Secondly, the output waveform signal generator can be divided into sine wave signal generator, pulse-wave signal generator, function generator and arbitrary wave generator, and so on.
其次,按输出波形又可分为正弦波、脉冲波、函数发生器和任意波发生器等。
Design requirements: (1) can output sawtooth, triangle wave, sine wave, pulse wave. (2) according to the keyboard command to switch between waveforms. (3) can adjust the output waveform frequency.
设计要求:(1)能够输出锯齿波,三角波,正弦波,脉冲波。(2)能根据键盘命令进行波形之间的切换。(3)能对输出的波形频率进行调节。
Design requirements: (1) can output sawtooth, triangle wave, sine wave, pulse wave. (2) according to the keyboard command to switch between waveforms. (3) can adjust the output waveform frequency.
设计要求:(1)能够输出锯齿波,三角波,正弦波,脉冲波。(2)能根据键盘命令进行波形之间的切换。(3)能对输出的波形频率进行调节。
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