电压

However, when the switch to ground closes, Q1 functions as a nonsaturated transistor with high gain.

在这种模式下，Topswitch集成电路敏感过电压和欠电压的极限。

This paper proposes an off-line iterative algorithm based on signal reconstruction technique for generation of nonsinusoidal three-phase PWM waveforms.

在三相PWM逆变器中注入零序谐波电压分量是提高逆变器直流侧电压利用率的一种有效方法，提出一种基于波形重构技术的迭代计算方法，用以产生三相鞍形PWM波形数据。

The hysteresi s effects,whi ch strong1y deteri orate gray--sca1 e capac ity and mu1t ip1exing ofPSCTLC, were significant1y improved.

很好地改善了困扰PSCTLC实现灰度显示和多路驱动的迟滞效应，有效的降低了器件的驱动电压，解决了与寻址TFT和驱动IC的电压匹配问题。

The AD7265 has an on-chip 2.5 V reference that can be overdriven when an external reference is preferred. This external reference range is 100 mV to VDD.

AD7265拥有2.5 V的片内参考电压，需用外部参考电压时，可超过此值，外部参考范围为100 mV至VDD。

Though some researchers and experts proposed overmodulation control strategy to increase MC transfer ratio and made it near to 1.0, its output harmonic connects was too high to be good for application.

针对矩阵变换器电压传输比低这一问题，一些学者和专家提出了过调制的控制策略，提高了矩阵变换器的电压传输比，使其接近于1.0 ，但输出谐波含量过高，不利于应用。

A compensatory voltage vector based overmodulation method for four-switch SVPWM was presented for improving the utilization ratio of the DC voltage.

指出四开关SVPWM最大线性调制比只有六开关时的一半，为提高直流电源电压的利用率，提出基于补偿电压矢量的四开关逆变器SVPWM过调制方法。

Half-wave voltage is an important physical quantity which is the token of the influences of voltage up on the phasic difference.

半波电压是表征电光调制时电压对相位差影响大小的一个非常重要的物理量。

Firstly, corona inception voltage of the post insulator and surface leader inception voltage of the bushing versus relative humidity were investigated. The predischarge phenomena in connection with relative humidity were observed under AC voltage by photographing.

首先，对支柱绝缘子的电晕起始电压及套管表面先导起始电压与空气相对湿度的关系进行了研究；用静止照相的方法分别观察了支柱绝缘子和套管在不同相对湿度范围内的工频预放电现象。

The model successfully describes the breakdown characteristics of SF〓 as a function of impulse wavefront according to the predischarge process obtained by a current probe. It also shows promise to be applicable to the flashover of spacers in SF〓 and the discharge in SF〓 mixture.

结合由电流探头测得的冲击电压下SF〓气体的预放电过程，该模型成功地解释了SF〓气体击穿特性随冲击电压波头时间而变化的规律，而且该模型也适用于SF〓气体中绝缘子沿面闪络和SF〓混合气体放电。

Normally, voltage relay setting shall be done priorly against the voltage variation.

通常，继电保护整定电压应做priorly对电压的变化。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。