光电

R2 and R4 are chosen to minimize errors due to input offset current as outlined in the section describing the photocell amplifier.

R2和R4用来降低因输入失调电流产生的误差，其原理与前文光电二极管放大器所述一致。R3用于抑制灯泡L1初次通电时的浪涌电流。

It is shown that this kind of film a-CdSe has an excellent photoelectric characteristics of instaneous response to picosecond laser pulse by testing the responsive time of those detectors using ultrashort light train pulses emitting from a colliding pulse mode -locking Nd:YAG laser.

用对撞脉冲锁模Nd：YAG激光器产生的超短光脉冲序列对探测器的响应时间进行检测，结果表明a-CdSe薄膜对皮秒10~(-12秒级的超短光脉冲作用具有良好的瞬态响应光电特性，探讨a-CdSe薄膜快速弛豫过程的内在机理。

It is testified that the noise of image intensifier can be tested accurately and intuitively by this method.

在此基础上提出了采用光电倍增管来测试像增强器信噪比的方法。

In this dissertation, the attention is focused on the measurement technology about the parameters of the image intensifier. The content in this dissertation is summarized as following:In the first chapter, the development and application of photoelectric image and LLL night vision are reviewed.

本文围绕像增强器的性能测试技术展开研究，各章内容如下：第一章回顾和总结了光电成像技术和夜视技术的发展及应用，阐述了研究的意义及内容。

It is showed that the gap and coupling length between fingers of interdigital capacitors contribute to cut-off frequency of photodetector.

应用时域电磁场三维TLM方法模拟分析了指栅间距和指栅间的耦合长度与光电探测器截止频率的关系。

By using transmission line matrix method, the simulation and analysis for frequency response of interdigital capacitors in metal semiconductor metal photodetector is described.

介绍了利用传输线矩阵方法模拟和分析金属-半导体-金属光电探测器指栅电容的频率响应。

As an important photoelectric exposure, field emission properties of Ⅲ nitride semiconductors have attracted widely interestingness of researchers.

而Ⅲ族氮化物半导体场发射研究作为其光电特性的重要研究方向，引起了人们广泛关注。

LED or photo aging components: the core of IC optical mouse has a constant internal integrated circuit, the LED constant current of about 50mA, the general use of the mouse high-grade intermittent sampling technique, sent intermittent conduction current is the (sampling frequency of about 5KHz), can be in the same power under the premise of testing to enhance the power LED, the high detection sensitivity.

1发光管或光敏元件老化：光电鼠标的核心IC内部集成有一个恒流电路，将发光管的工作电流恒定在约50mA，高档鼠标一般采用间歇采样技术，送出的电流是间歇导通的(采样频率约5KHz)，可以在同样功耗的前提下提高检测时发光管的功率，故检测灵敏度高。

It is shown that photoelectron spectra at different delay-time reflect the population in different electronic states. We could not only inspect the periodicity of vibrational motion in neutral states, but also map the vibrational wave-packet propagation in corresponding internuclear coordinate.

计算显示出在不同延迟时间下的光电谱反映了电子在不同电子态上的粒子数，我们不但可以观测到中间态上的振动情况，还可以进一步记录振动波包在相应核间距上的运动情况。

Some use of assembly language software, the use of methods to detect interrupt the user requests the key information, according to the lift operation to the appropriate floor, a photoelectric sensor-level changes to the SCM count to determine the number of floors, and sent to the digital display.

软件部分使用机械设计汇编语言，利用中断方式来检测用户请求的按键信息，根据电梯运行到相应楼层时，光电传感器产生电平变化，送到单片机计数来确定楼层数，并送到数码管进行显示。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。