查询词典 diode

A novel hybrid diode-clamp cascade multilevel converter for high power application .

一种适用于高压大功率的新型混合二极管钳位级联多电平变换器。

The principle of laser diode digital temperature control system is introduced. Aiming at the characteristics of controlled object, the mathematical model of the system is constructed and analyzed. By adopting the method of dual-closed-loop cascade control system, the structure of system hardware is designed and the implementing measure of software is introduced.

介绍了半导体激光器数字温度控制系统的工作原理，针对被控对象的特点，建立和分析了系统的数学模型，并采用双闭环串级调节系统结构的方法，设计了系统的硬件结构，介绍了软件实现方法。

The numerical results indicate that the collimating performances of two lens changed little as the increasing of the refractive index and this made it possible to choose the material of the lens in more field.Theoretically,the radiation angle of laser diode beams in the quick axis can be compressed under 0.1 mrad.

结果表明：这两种柱透镜的准直效率随折射率的变化不大，这在一定程度上提高了透镜材料选择的灵活性；并且理论上，共轴双半椭圆柱透镜可以将半导体激光光束快轴方向的发散角压缩到0.1 mrad量级。

Using uniaxial amplification system composed of a high-resolution CCD,a fast axis collimation lens and cylindrical lenses,via laser emitters imaging and facula intensity-based centroid algorithm,the "smile" of diode laser array is measured.

采用高分辨率CCD、快轴准直透镜及柱面透镜组成的单轴放大系统对激光线阵发光单元成像及基于光斑强度求质心的算法实现了二极管激光线阵&smile&的测量。

For the device of this structure significant decrease of the fluctuation in both the emission current and the PS diode conduction current and the spike noise are also obtained.

这种结构的PS二极管工作电流和发射电流的波动性被明显减弱，器件稳定性得到提高。

The voltage amplitude difference of the two pulses can be less than 2%. The electron beams are emitted from a velvet cathode in a vacuum diode. The beam currents are up to 3kA, measured both by a Faraday cup in anode hole and by a shunt resistor at the rail of the LIA injector.

实验结果表明：该双脉冲电子束源可以产生双脉冲电子束，其电压幅度差值小于2%，束流可达3kA，并且工作稳定，利用该装置可以进行多脉冲二极管物理和天鹅绒多脉冲发射特性实验研究。

And only modulate the direction of the tensor d33 periodically. So QPM enlarge the application range of the crystal in existence. Presently diode pumped all-solid-state lasers have been developing quickly, which provides an ideal pump source for QPM.

近年来，随着激光二极管技术的发展，小功率全固态激光器已经十分成熟，为准相位匹配提供了优质的泵源，因此，小功率全固态激光器的准相位匹配频率变换成为目前的一个研究热点。

Laser diode-pumped Nd:YAG double-disk laser .

激光二极管抽运Nd：YAG双薄片激光器。

The step-up ratio has to be a little higher to overcome diode losses, winding resistance and so on and input voltage drop due to wire resistance from battery to converter.

在升压比例要略高于克服二极管损耗，绕组电阻等输入电压下降和由于导线，从电池到转换器的阻力。

For the transmit side of the proposed system architecture, basic conception of laser diode driver is studied and a system structure and circuit implemention of LDD are introduced afterwords.

本文随后分析了构成该系统的各个电路子模块的设计思路和工作原理，并给出了符合设计要求的仿真波形。

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。