The key technique of transient electromagnetic transmitter is to resolve the problem about the turn-off time and linearity of current impulse on high power projecting .

如何在大功率、大电感情况下实现电流脉冲 短 关 断 延时 和 下降 沿高线性度是瞬变电磁发射机的关键问题。

Therefore the study of turn-off time of RSD and the improving of measurement accuracy is important on our application of RSD .

因此，有关 关 断 时间检测的研究以及测量准确度的提高对我们应用RSD有着重要的意义。

Considering the influences of the thermally induced diffraction losses and the turn-off time of AO Q-switch on the dual-wavelength pulse a rate equation model describing the actively Q-switched laser with AO modulator has been established .

在考虑到热致衍射损耗及声光 开关 时间对双波长调Q脉冲性能影响的基础上，给出了描述LD泵浦调Q双波长激光运转速率方程模型。

Error voltage vector generated by dead-time switching devices turn-on and turn-off time are introduced . Weakening methods that consist of decreasing carrier frequency and decreasing direct current bus voltage are educed .

给出因死区时间和开关器件开通、 关 断 时间引起的误差电压矢量，依据误差电压矢量的表达式，采用降低载波频率和减小直流母线电压的方法削弱死区效应。

The contradictory relation and requirement of turn-off and turn-on time in constructing a 20 KC 100A thyristor are discussed .

本文讨论了20千周正弦波100安可控硅元件的 关 断和开通 时间的对立统一关系和要求。

To the measurement of turn-off time of thyristor the author puts forward a new approach based on the analysis of the traditional approach as well as on the study of the turn-off characteristic and turn-off pattern of thyristor .

本文简要介绍了晶闸管的关断特性和关断方式，并通过对晶闸管 关 断 时间传统测量方法进行分析，提出了晶闸管 关 断 时间测量的新方案。

The turn-on and turn-off of power devices under zero voltage are realized with addition of dead time . The power supply for GTO gate driver is developed by use of the converter .

通过设置死区 时间实现开关功率器件的零电压开通与 关 断，利用该变换器研制出GTO门极驱动用电源。

The results were that TX-KA101 's its driving voltage is reasonable have three-sect current protection its soft turn-off time and over-current protect threshold value can be regulated .

测试结果表明，TX&KA101输出驱动电压合理，具有IGBT过流三段式保护，慢 关 断 时间和过压保护阚值可调。

However at turn-off the diode current reverse for a reverse recovery time trr before falling to zero .

然而在 关 断时，二极管的电流在降至零之前有一个反向恢复 时间。

Having much less turn-off time eliminating the current over-shot and improving the turn-off consistency the proposed snubber is suitable as the load energy snubber of TEM transmitter .

实验证明，推荐电路具有 关断 延时短、正负脉冲一致性 好、无过冲 现象等特点，适宜于TEM发射机的负载能量吸收电路。

A novel dynamic switching method is put forward to optimize the turn-off process of IGBT which can restrain the over-voltage and reduce the turn-off switching time and losses .

提出了动态关断的方法优化了关断过程，在 小 的 关 断 时间 和 关断损耗下抑制了过电压。

Infrared light emitting diode is used to deliver appropriate light pulse with a very short turn-off time in the range of 0.5 ~ 1 micro-s - econd .

利用红外发光二极管作为闪光源，获得了合适的光强和0.5～1 微秒的短余辉。

The three key technologies of tobacco toasting autocontrol system are to be realized stably temperature collecting to be protected data after turn-off and real time clock function .

烟叶烘烤自动控制系统的三大核心技术是实现稳定的温度采集、 掉 电保护、 实时时钟功能。

When the turn-off time is controlled within 3-5 μ s and the turn-on time is controlled about 2 μ s. most of the devices can work satisfactorily .

当关 断 时间控制在3到5微秒，开通时间控制在2微秒时，多数元件都能满意地工作。

Besides high diffraction efficiency low threshold and turn-off voltages and fast response time are necessary gauges to evaluate the holographic polymer dispersed liquid crystal Bragg volume grating .

另外，在衡量全息聚合物分散液晶Bragg体光栅的性能时，高的衍射效率、低的阈值和 关闭电压和快的效应 速度是必要的参考指标。

So how to improve the tradeoff relationship between turn-off time and forward voltage is a key problem in power devices .

因此，提高 开关 速度并改善正向 导 通电压和 关 断 时间的折衷关系是这类器件的关键问题之一。

Whether the turn-on time of the same arm thyristors was uniform or not the turn-off time was always identical .

无论导通时刻是否一致，同臂号晶闸管的 关 断 截止 时刻总是相同的。

Analyses on Turn-Off Time and On-State Voltage Drop of a New Type of Thin Emitter Thyristors with Low Loss and High Speed

新型低损耗快速薄发射极晶闸管 关 断 时间和通态压降的分析