The high power microwave (HPM) damage effect on the AlGaAs/InGaAs pseudomorphic high electron mobility transistor (pHEMT......

A two-dimensional model of the silicon NPN monolithic composite transistor is established for the first time by utilizin......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

采用多周期测量原理，即用标准频率信号填充整数个周期的被测信号，从而消除了被测信号±1的计数误差，其测量精度仅与门控时间和标......

本文介绍了测量超短脉冲宽度的二次谐波法(SHG法)的原理和实验装置,并利用该方法对YAG锁模激光器的锁模脉宽进行了测量,同时研究了......

研究了轴向磁悬浮轴承系统的控制问题。基于控制可靠和低成本的考虑,系统采用了差动式电容传感器检测轴位移,用基于脉宽调制的PID......

通过电火花加工SiCp／Al复合材料的实验研究，探索了电流、脉宽、脉间等参数对电火花加工速度和电极损耗的影响，总结出含体积分数为56％的......

The attitude control problem of the kinetic kill vehicle is studied in this work. A new mathematical model of the kineti......

采用了2种γ脉冲辐射源，在脉冲宽度分别约为20，50，150ns，剂量率为10^6～10^6Gy（Si）·s^-1下，对5种不同类型的电子器件进行了辐照试验并......

In recent years, Z-source inverters (ZSI) have been proposed as an replacement power conversion concept which it has bot......