查询词典 diode

In this thesis, Based on the advantages of diode-pumped solid-state laser in Chapter 1, the development of diode-pumped solid-state laser is introduced. The trends of DPSSL are pointed out, the wide application fields ,as well as the bright market future of high power DPSSL are also summarized. In the Chapter 2 , all kinds of solid-state laser gain materials are introduced in detail. In the Chapter 3 , the theory on the mode-matching of the pump beam and the cavity mode is analyzed in detail based on the basic theory and work principle of LD-pumped all-solid-state laser.

本论文第一章从二极管泵浦固体激光器的优势出发，介绍了二极管泵浦固体激光器的发展，指出了DPSSL的发展方向，概括介绍了大功率DPSSL的诸多应用领域和广阔的市场前景；第二章对固体激光增益材料作了详细的介绍；第三章基于LD泵浦固体激光器的基本理论和工作原理，从理论上详细分析了LD端面泵浦激光器中泵浦光与腔模的匹配问题。

A novel hybrid diode-clamp cascade multilevel converter is presented in this paper. The new concept of the converter is based on connection of multiple diode-clamp converter modules with different dc bus voltages. Normally, the voltage blocking capability of faster devices such as IGBT and the switching speed of high voltage devices like GTO are found to be limited.

该文在研究传统的级联多电平、传统混合级联多电平以及二级管钳位级联多电平变换器的基础上提出了一种新型的混合二极管钳位级联多电平变换器，这种新型变换器是将具有不同直流母线电压的多个二极管钳位多电平变换器进行级联，输出电压是将这些变换器的输出电压进行矢量相加而合成的。

Its possible causes are: the transistor operating point is not the choice of a good, high-voltage filter capacitor leakage or damage, leakage heat regulator diode, rectifier diode damage.

其可能原因有：晶体管工作点未选择好，高压滤波电容漏电或损坏，稳压二极管发热漏电，整流二极管损坏等。

The following work has been done in the dissertation: LFM technique with quasi-single longitudinal laser diode is proposed, and the submodes effect in the laser diode on the displacement measuring range and accuracy is analyzed in detail.

在理论分析的基础上进行了大量实验。理论分析和实验结果表明，对于准单纵模半导体激光器线性调频干涉仪，半导体激光器的光频漂移，位相噪声以及边模效应对精度起主要作用。

A diode shunt circuit or a diode with a series resistance shunt circuit is ideal for coil protection because no joule heating in the shunt during the excitation period.

当磁体励磁时在二极管回路没有电流，也就没有焦耳热损耗，因此，这是满足系统要求的较理想的保护方式。

It is found theoretically and simulation that a piece of solar cell have same photocurrent in different diode factor and reverse saturation current at same temperature and irradiation. This paper describes a new combined perturb and observe method for acquire the actual diode factor n and reverse saturation current Io.

经过理论分析与仿真研究，发现同一块太阳能电池在相同的温度和照度，不同的二极管反向饱和电流Io和品质因子n的情况下，输出的光生电流是相等的。

Absolute frequency stabilization of diode lasers of wavelength nm grade are reported using the modulation transfer method .

阐述了利用调节及转换技术稳定激光二极管发射器的频率，这种发射器可以发射纳米波长的激光。

Absolute Frequency Stabilization of Diode-laser-pumped Nd:YAG Lasers to Hyperfine Transitions in Molecular Iodine. Opt Letters 1992; 17: 1204

我们认为，P(52)32-0完全可能成为未来的国际推荐谱线，在532nm Nd：YVO4/KTP倍频激光的调谐范围内使用。

This circuit contains a transistor operating in active region and a diode biased in forward direction.

利用这个电路来求漂移管在一个共基极电路中脉冲工作下的储存时间。

A method to make a polished lens-less light emitting diode array entails adhesively mounting light emitting diodes to an etched circuit board.

一种制造抛光无透镜发光二极管阵列的方法，其中需要用粘合剂将发光二极管(10)安装到经蚀刻的电路板(12)上。

Warden: That's a beautiful dog, but don't bring her again.

那是条漂亮的狗，但是不要再把她带来了。

You get up in the morning – no hangover!

你第二天早上起来的时候—不会宿醉！