基电流

分别拆分拟合了标准中雷电首次回击和后续回击通道基电流。

The first and subsequent re-stroke standard current are fitted .

自积分式罗果夫斯基电流线圈是在输出端并联一的采样电阻，并选用磁导率小的铜或铝作为与线圈配合的待测母线。

Self-integral Rogowski current coil is used parallel sampling resistance in the out-port , and is selected the small magnetic conductivity copper or aluminum as the generatrix to be measured .

GaN基LED电流扩展的有限元模型及电极结构优化

Finite Element Model of GaN Based LED and the Optimization of the Mesa Structure

SOI基光学电流传感器的设计与仿真

Design and Simulation of Optical Current Sensor Based on SOI

实验结果表明：单电源脉冲热丝TIG焊机能够实现焊丝的同步加热，即在基值电流期间，填充焊丝通入预热电流，脉冲电流期间熔化焊丝。

The experiment showed that heating synchronization of hot wire TIG welding with single power source could be achieved . In the base current period , wire were heated , while in the pulse current period , wire were melted .

在众多脉冲参数中，峰值电流、基值电流和峰值时间是铝合金P-MIG焊接过程中极其重要的参数。

Among the various pulse parameters , the peak current , base current and peak time parameters are the extremely important parameters .

荧光显示基元电流分配系数的理论计算

Theoretical Calculation of Current Distributive Coefficient of Fluorescent Display Units

具有脉冲焊接功能，其脉冲电流、时间和基值电流、基值时间分别可调，用户可以选择最佳的参数配合进行不同材料的焊接。

With pulse welding function , the pulse current and time , basic current and time are adjustable independently , and user can select best parameters for welding different materials .

它是一种物理状态控制法。试验表明：当峰值电流、基值电流、脉冲频率等焊接参数改变时，本方法均能保持熔滴过渡为1峰0基的过渡。

Experiments show that droplet transfer keep all to one-peak-zero-base type under controlling by this method as the welding parameter varies , such as peak current , base current and pulse frequency .

单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。

The welding current , arc voltage , preset current , the period and ratio of pulse , base current , down slope time , gas pre and post flow time are sampled , calculated and controlled by microprocessor .

分别讨论了脉冲频率、脉宽比、峰值电流和基值电流对仿真波形的影响，为实际生产试验中最优化参数的选择提供了快捷、直观的方法，为脉冲埋弧焊的推广应用奠定了基础。

The impact of pulsed frequency , duty factor , peak current and base current were discussed , providing a convenient and intuitionistic means for the selection of optimum parameters in practical experiments and foundation for the application of the pulsed submerged-arc welding method .

介绍了高分子基PTC过电流保护元件的动作原理、安装方式、性能特点，影响因素及其应用。

The trip principle , mounting methods , element characteristics and influencing factors , and applications of PTC overcurrent protectors based on polymer were introduced in this paper .

本文定性分析了GaN基LED的电流扩展效应，发现电流密度，n-GaN掺杂浓度和电流横向扩展的有效长度对电流的均匀扩展有很大影响。

The applied current density , the n-type doping concentration and the effective length of the lateral current transport are found to have a considerable effect on the uniform current spreading .

异质结双极晶体管基区复合电流的解析模型

Analytical Modeling of the Base Recombination Currents of Heterojunction Bipolar Transistor

基区复合电流对双极晶体管厄利电压的影响

Effect of neutral base recombination current on Early voltage of bipolar transistor

外延双极晶体管基区表面电流的模型及应用

The model for the base surface current in epitaxial bipolar transistors and its applications

本文结合国家自然科学基金项目&多路罗柯夫斯基直流大电流智能化传感器研究而展开工作。

This treatise is ground on the item of National Natural Science Fund " the research of multiplex Rogowski coils intelligent heavy DC sensors " .

该互感器以罗柯夫斯基线圈作为电流传感元件，以电容分压器作为电压传感元件，以光纤作为信号传输通道，借助有源电子调制和信号处理技术实现电流、电压的测量。

A Rogowski coil and a capacitive voltage divider are used as current sensor and voltage sensor respectively in the transducer and optic fibers are used to transmit signal .

其主要功能包括恒定峰值焊接电流输出、恒定基值焊接电流输出、峰值&基值脉冲焊接电流输出的三种输出控制形式。以及采用数码管监视脉冲参数和控制器运行状态等。

The main functions of the pulse controller include : constant peak welding current output , constant base welding current output , peak-base welding current output and the pulse parameters monitoring with digital light-emitting diodes ( LED ) .

结果表明，如不采用N~+埋层，但选用适当薄的外延层，使纵向注入衬底的电流增加和使基区复合电流减小，可以实现提高多集电极横向晶体管电流增益的目的。

The result shows that the purpose of improving this current gain can be realized if the N ~ + buried layer is abandoned and a thin epitaxial layer is chosen to increase the current vertically injected into the substrate and to reduce the recombination current in the base .

钝化处理对GaN基LED反向漏电流特性的改善

Improvement on GaN-based LED Reversed Leakage Current Characteristic by Passivation Process

GaN基LED的表面电流扩展对于器件的特性起着很重要的作用。

The current expansion of GaN-based LED is very important to the characteristics of devices .

纳米YSZ基扩散控制极限电流型氧传感器的研究

The study of diffusion-controlling limiting current type oxygen sensor using nanocrystals YSZ based

适用于大电流的SiGe基区HBT的电流和频率特性的解析模型

Modeling of SiGe-Base HBT at High Current Densities and Its Effects on High Frequency Performance

结论整合素β3亚基可以调节钙电流影响逼尿肌兴奋性，可能与DI的发生有关。

Conclusion Integrin β _3 may have an influence upon the excitability of detrusor by regulating calcium current , it was concerned with the mechanism of the detrusor instability .

采用三角矢量面元（RWG）基函数，模拟电流分布。

The triangle vector basis function ( RWG ) is employed to simulate the current distribution .

电压基计算法和电流基计算法是确定电池剩余电量的两种最流行方法，它们各有优缺点。

Voltage or current-based calculation are two popular methods of determining the remaining capacity of a battery . Each has its own advantages and disadvantages .

计算结果表明，发射区载流子寿命的变化几乎不影响注入到基区的电子电流，但却成反比例地影响基区空穴电流。

The calculated results show that the electron current injected into the base region is not affected , but an increase of the base hole current is increased with the lifetime reduction .

通过采集焊接过程中的电弧电压和电流信号，在峰值期间保持电压恒定，在基值期间保持电流恒定，脉冲参数依据一个脉冲过渡一个熔滴的原则选取。

By sampling the voltage and current of arc in the welding process , the arc voltage is kept constant in the peak period and welding current is kept constant in the base period .