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Elevator about moves the speed and stops the control controls by the frequency changer. Revolves the encoder pulse number through the survey.

其中电梯的上下运行的速度及起停的控制由变频器来控制，通过测量旋转编码器的脉冲数，来确定楼层的位置及平层数据。

The Fresnel diffraction of a O-π phase grating under chirped femtosecond laser pulse illumination is analyzed.

分析了一种0-π相位光栅在啁啾飞秒激光脉冲照射下的菲涅耳衍射。

The objective of the thesis is to present newly developed AC driver and protection circuits for light emitting diode. The LED modules for each upper and low arm are with pulse-width modulation control in every half fundamental cycle. The indication and protection circuits act whenever short circuit and open circuit of LED module occur. Moreover, the current path is switched off when there is a short circuit of LED module.

目前一般白光发光二极体的驱动器，皆是使用直流电源驱动，本文利用发光二极体本身单向导通的特性，将发光二极体串接成桥式整流器的方式，只需控制流经中间路径的电流周期，就可达到调整发光二极体亮度之目的，并且增加发光二极体故障时的保护指示电路。

A quantitative analysis for dynamic stability of a set of superconducting partial torus in a fusion reactor under a pulse current over a stationary current is given.

对于聚变反应堆中超导载流磁体在稳态电流基础上受到脉冲电流影响时的动力稳定性给出了定量分析方法。

This paper presents the pulse laser characteristics of neodymium doped potassium gadolinium tungstate crystals grown in our institute.

本文报道了我所生长的掺钕钨酸钾钆晶体的脉冲激光特性。

The rising edge of the pulse usually evolves in field distribution from far to near gauss distribution.

研究表明，脉冲产生时的泵浦光影响因子可以反映这种倏变现象的强烈程度。

The variations of the FWHM and peak of the gain curves with width and amplitude of the voltage pulse are obtained when the incident electrons have a gauss distribution.

在考虑入射电子为一高斯电子脉冲的情况下，获得了增益曲线的半峰全宽和峰值随脉冲电压幅度、宽度的变化规律。

The Gauss noise, the pulse noise, and mixture of two is the typical noise model .

由高斯噪声、脉冲噪声以及二者的叠加而成的混合噪声是数字图像中存在的典型噪声模型。

According the leakage test with different incident angles of the Sine and Gaussian pulse plane wave source, the numerical results show that SP-FDTD can achieve a perfect total-field/scattered-field separation, making leakage at below -340dB.

通过对不同入射角度的正弦平面波源及高斯脉冲波源的泄漏测试，结果表明SP-FDTD可以实现完美的总场/散射场分离，使得泄露降至-340dB的水平。

The electromagnetic propagation process of a Gaussian pulse through an unmagnetized plasma photonic crystal is investigated.

它具有一定的光子能带结构，一定频率的光不能在晶体中传播，从而产生了光子禁带。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。