查询词典 semiconductor diode

After theoretically modeling, experiments were carried out to measure a CW laser modulation spectrum generated by a diode laser and an EOM device with the proposed method. Compared with the measuring results with F-P interferometer, experimental results show the feasibility of an optical beat frequency method.

本文在理论建模与分析的基础上，利用该方法对半导体激光器出射激光经电光调制器调制产生的调制光谱进行了测量，测量结果与F-P干涉仪测量结果一致，验证了该方法的可行性。

Based on the theory of thermal analysis,heat conduction equation of Nd:GdVO4 crystal slab double-side pumped by laser diode arrays was built.

以解析热分析理论为基础，建立了平板Nd：GdVO4晶体在激光二极管阵列双侧抽运时的导热微分方程。

In order to solve the thermal effect problem of laser rod by diode laser end-pumped,based on the heat conduct theory,a novel eigenfunction group of heat conduction equation was established and the general solutions of temperature field and thermal distortion field within laser rod were obtained.

为了解决激光二极管端面泵浦激光棒引起的热效应问题，基于热传导理论，建构了热传导方程新的本征函数解，得出了激光棒内温度场与热形变场的一般解析表达式。

In order to solve the thermal effect problem of laser rod by diode laser end—pumped,based on the heat conduct theory,a novel eigenfunction group of heat conduction equation was es—tablished and the general solutions of temperature field and thermal distortion field within laserrod were obtained.

为了解决激光二极管端面泵浦激光棒引起的热效应问题，基于热传导理论，建构了热传导方程新的本征函数解，得出了激光棒内温度场与热形变场的一般解析表达式。

This paper analyses the physical characteristic of MOV and gives out its mathematical model by making it equivalent to inductance, resistance and diode three parts.

对金属氧化物变阻器的物理特性进行了分析，并完成了MOV元件的数学建模，将其等效为电感、电阻、二极管三部分。

In order to overcome the wet etching disadvantage and to minimize the additional waste chemical treatment cost, therefore the purpose of this thesis is to study the customization of the batch type plasma dry etcher for power diode process, to analysis the etching mechanism and build up the simulation model for the distribution of plasma power density that will be fitted with the measurement data.

在此前提下，本论文将以客制化的多片式电浆蚀刻机为研究主体，分析其蚀刻机制并建立电浆能量密度的分析模拟模型，并以实验数据做比对，藉此建立模型模拟数据的可信度。

California Micro Devices announced the latest products in the LuxGuard family of turnkey solutions for ESD protection and thermal management for high power, high brightness light emitting diode lighting applications.

California Micro Devices推出了针对高功率高亮度发光二极管照明应用的静电放电保护和热管理全包解决方案系列 LuxGuard 的最新产品。

Each sensor is a short length of fiber-optic cable, with a Light-Emitting Diode at one end and a photo-transistor at the other.

传感器是一截短的光缆，一端有一个发光二极管，另一端是一个光敏晶体管。

But not entirely so, some will not be able to enter the protection of the state, which would damage, repair process found in the main power supply filter capacitor is fast rectifier diode breakdown or damage to the majority.

但是也不全是这样，有一部分就不能进入保护状态，这样就会损坏，维修过程中发现主要是以电源滤波电容击穿或者快速整流二极管损坏的居多。

First, a mathematic model for laser diode with a cool is established, which is looked as a first order segment of inertia in theory. It analyzes the step response in the S field and the time field separately after adopting PID control technique, and it also analyzes the equivalent noise model of the amplifying circuit.

首先从理论上对带制冷的半导体激光器组件建立了数学模型，将其看作一阶惯性环节，分别在S域和时域里详细分析了采用PID控制技术后的阶跃响应；同时也对光接收机放大电路等效噪声模型进行分析。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。