In this paper a phase shifting pulse width modulated ( PWM ) soft switching high voltage invert power supply has been developed with the use of the principle of advanced invert technique and the new type of power semi-conductor device-Insulated Gate Bipolar Transistor ( IGBT ) .

本文采用最新的逆变思想与新型的开关器件&绝缘 栅型双极晶体管（IGBT），研制出了移相式PWM软 开关高压逆变电源。

The nonlinear characteristics of semiconductor optical amplifier ( SOA ) have important applications for the all-optical switching wavelength conversion and optical logic gate .

半导体光放大器（SOA）的非线性特性在光 开关、波长变换、光逻辑 运算中有重要的应用。

Optical decision gate is a vital part of all-optical 3R regeneration . Switching characteristic of the decision gate is an important factor in affecting the performance of all-optical 3R regenerator .

光判决门是 全光3R再生中非常重要的部分，其 开关特性是影响全光3R再生的重要因素。

With the HE-EMCON diode and the new field stop NPT IGBT up to 1700 V there is almost no limitation in the switching behavior however there are some considerations-a certain value in the external gate resistor has to be taken .

采用HE-EMCON二极管和高达1700V的新型场截止NPTIGBT，几乎不受 开关性能的限制，不过，需考虑的是外部 栅极电阻必须取确定值。

The switching element may be formed on the insulating substrate in a pixel region defined by gate and data lines adjacent to each other .

开关元件可以形成于像素区域中的绝缘衬底上，像素区域由彼此相邻的 栅极线和数据线限定。

The advanced technologies have improved transistors switching rate and reduced transistor gate delay . However signal transmission and power consumption are getting worse due with the global wire delay .

先进微电子与半导体工艺技术极大地提升了晶体管 翻转速度，降低了 门延时，但是芯片中全局线时延导致的信号传输与功耗问题却变得越来越糟糕。

Novel method for calculating the switching torque of high-pressure wellhead gate valve

高压井口 闸阀 开关扭矩计算新方法

The spatio-temporal profile of sample plug can be well controlled in the analysis channel by switching virtual gate in a proper mode and timing .

通过 控制虚拟 门的打开方式和时机，可以控制样品注入分析通道的时空分布。

In this prescaler no glitch generate at switching due to the change of switching order . And nor gate is introduced in phase-switching-control circuit to avoid the generation of extra pulse completely .

本预分频器通过改变相位切换电路中的 切换顺序，完全避免了切换产生的错误毛刺的产生；切换控制电路中采用或 非门产生相位切换控制信号，有效防止了多余脉冲的产生。