查询词典 waveforms

This study has developed a LabVIEW-based digital control system, which features the following functions: adjustment of the distorted waveforms, pulse count to the quarter pitch, waveform subdivision by Lissajous circle, back propagation neural network and PID control, and the position feedback control of the stage.

本项研究开发了基于Labview的数字控制系统，该系统具有失真波形的调整、1/4栅距脉冲计数、基于Lissajous圆环的波形细分、后传神经网络和PID控制以及平台的位置反馈控制等特征。

Some rules on HVDC protections are obtainedby observing the waveforms which depict the rate of unwanted trip and the rate of failure totrip of the whole protection system changes with those of the protection equipments and themeasurement equipments,respectively.

根据系统误动率分别随测量装置和保护装置的误动率变化的曲线，得出了直流保护系统的一些可靠性规律。

Current waveforms of the system without and with the line trap ...

对比阻波器投入前后的电流波形，由1个峰值大且陡的尖脉冲变成了2个平缓的尖脉冲，且电流峰值、3次谐波分量、零线电流都减小，改善了设备运行的工况，保证了继电保护动作的正确性和供电系统的安全稳定运行。

Three-dimensional fluid model and the aging system are used to investigate the characteristics of three-electrode shadow mask plasma display panel cell in two types of driving waveforms.

采用三维流体模型和老炼测试平台从理论模拟和实验测试角度研究三电极结构荫罩式PDP在对向放电和表面放电驱动波形下的放电发光特性。

For instance, the harmonic currents that add in the neutral conductor of a star-connected 4-phase system where the phase shift between fundamental waveforms is 90o would be the 4th, 8th, 12th, 16th, 20th, and so on.

比如谐波电流在中性导体，加上一个明星连通四相制相移之间的基本波形是90o会第四届、8，12，16，20等等。

Function is a signal generator capable of producing a variety of waveforms, such as the triangle wave, saw tooth wave, rectangular wave, sine-wave circuit.

函数信号发生器是一种能够产生多种波形，如三角波、锯齿波、矩形波、正弦波的电路。

In addition, the analyses of weld surface ripple and microstructure with three current waveforms have indicated that the high frequency wave group modulated by low frequency GTA welding has the advantage of both the low frequency in which the heat input of the weld pool is easily controlled and high frequency GTA welding in which the arc is energy—concentrated and stiff.

另外，通过对高频脉冲焊、低频脉冲焊、低频调制高频方波群焊不锈钢焊缝表面形貌分析表明，低频调制高频方波群焊综合了低、高频GTA焊的特点。

5GHz bandwidth and a sample rate of up to 8 GSa/s ensure fast, accurate capture of your waveforms.

1.5 GHz主频的带宽和采样率高达8 GSA的/秒，确保快速，准确捕捉您的波形。

The transit time and gain characteristics of electrons which travel in the micro-channel plate gated by picoseconds high voltage pulse were simulated. The curves of the transit time versus the voltage pulse width and the voltage amplitude are obtained when the waveforms of the voltage pulse are Gauss, triangle and trapezoid.

对皮秒高压脉冲驱动下微通道板中电子的渡越时间特性和增益特性进行了数值模拟，在电压脉冲波形分别为高斯形、三角形和梯形时，得到了电子渡越时间与电压脉冲宽度、幅度的关系曲线。

There are four types of waveforms, increased sawtooth, square wave, triangle wave, sine wave.

共有四种波形，递增锯齿波，方波，三角波，正弦波。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。