查询词典 diode

This paper reports results of Tin doped fibre pumped by a semiconductor laser diode as an optical source for methane gas detection. The spectral characteristics of the Tm doped fibre pumped by the 788 nm laser diode is studied experimently and the fibre source is used in a correlation spectroscopy measurement system.

报道了以半导体激光器泵浦掺Tm3+光纤为光源的甲烷气体相关光谱检测系统，研究了788 nm波长泵浦下掺Tm光纤光源的一些光谱特性，并在实验上用这种光源及系统对甲烷气体作了测量。

If you change the diode current by changing the resistance value of Rbias, then the transistor's emitter current will follow suit, because the emitter current is described by the same equation as the diode's, and both PN junctions experience the same voltage drop.

正因为发射极和二极管的电流用同一个方程描述，而且两个PN结共用同一个电压，每当你通过改变Rbias改变了晶体管电流，晶体管发射极电流也必将随之同样改变。

Diode-pumped solid-state laser is solid-state laser, used laser diode instead of flash lamp to pumping laser m...

激光二极管泵浦的固体激光器是用激光二极管代替闪光灯去泵浦激光晶体的固体激光器。

Diode-pumped solid-state laser is solid-state laser, used laser diode instead of flash lamp to pumping laser media.

激光二极管泵浦的固体激光器是用激光二极管代替闪光灯去泵浦激光晶体的固体激光器。

ABSTRACT The laser diode pumped solid state lasers are that solid state laser, used laser diode instead of flash lamp to pumping laser gain materials.

激光二极管泵浦的固体激光器是用激光二极管代替闪光灯去泵浦激光晶体的固体激光器。

The experimental results show: the flattop phenomenon on the diode voltage pulse was very apparent for using the carbon fiber cathode, that is to say, the pulse duration of the diode voltage was widened; moreover, under the condition of the same power of microwave, the pulse duration of the out-put microwave was prolonged by about 30%; the peak power of the microwave was enhanced by 3dB.

通过在装置上做的两种阴极的对比实验，结果显示：碳纤维阴极的使用，改善了电子束质量，使辐射微波的脉宽增加了30%以上，辐射主瓣方向上的功率密度提高了3dB以上，频谱分布较纯净，实现了微波的高效输出。

A LIGHT-EMITTING DIODE is a diode which, when forward biased, produces visible light.

一有机电致发光二极管是二极管，当着偏见，产生可见光。

They can be interconnected to form single phase or three phase bridges and the single diode module can be used in conjunction with the thyristor modules as a freewheel diode.

它们可以相互连接，形成单相或三相桥和单二极管模块可作为一个飞轮二极管晶闸管模块配合使用。

Multi-meter operations and Basic DC circuits, Oscilloscope Operation, Function, Generator Operations, RC circuits, RL circuits, Rectifier circuits, Rectifier circuits and Voltage doublers, Ohm's Law, RC 、 RL Circuit, RLC Circuit, Diode Lab - Part 1, Diode Lab - Part 2, Measurement of Force Effects in the Electric Field, Basic Current Balance, Force Effect of Currents, Measurement of Magnetic Field of Single Coils, Magnetic Fields of Paired Coils in Helmholtz Arrangement, Hall Effect in p-Ge/n-Ge, Faraday's Law, Transformers, Microwave I, Microwave II.

电磁学实验( S0339)(1，1)基本电子零件、直流电路，示波器与信号产生器的认识与使用，电容、电感的电路特性，整流与滤波，倍压整流电路，欧姆定律实验，电容、电感的电路特性，电阻、电容、电感的电路特性，二极体的特性实验，二极体的特性实验、电场力效应实验、电流天平实验、电流力效应实验、螺线管磁场实验、赫姆霍兹磁场实验、霍尔效应实验、法拉第感应电动势实验、感应线圈变压实验、微波实验一、微波实验二。

With the ever-increasing needs of high power diode laser source, it is important to obtain symmetric diode laser beam with high power so that a kind of beam-shaping technique with isosceles right-angled prism group has been used to achieve this aim.

随着半导体激光器应用的日益广泛，半导体激光的光束质量在二维方向极不均衡的特点限制了它的应用范围。采用一种等腰直角棱镜组的整形方法，可实现二维方向的光束质量均匀化。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。