光电二极管

By using Monte-Carlo simulation and empirical equation, the sensitivity of a CdWO4-photodiode detector under the radiation of 9MeV LINAC, 6MeV LINAC and 60Co source was estimated and compared with the measurement data.

分析了由CdWO4晶体耦合光电二极管所组成的探测器单元探测灵敏度的决定因素，采用蒙－卡计算、经验估算等对其在高能加速器和60Co源下的探测灵敏度进行了估算，并和测量值进行比较。

It uses a macro laser sensor based on optical-electronic triangulation method to get diametric size, and uses grating linear transducer and scanning sensor composed of laser diode and photo-diode to get axial size of the work-piece to be measured.

它利用基于光学三角法的激光位移传感器获得轴类零件的径向尺寸，利用半导体激光器与光电二极管组成的扫描式发讯传感器和光栅传感器的组合获得轴向尺寸。

A photodiode current is amplified and converted into a differential voltage.A common-gate topology is adopted to reduce input resistance.

前置放大器将光电二极管产生的电流信号放大并转换为差分电压信号。

With selecting earlap as the measuring spot,a multi-layer simulation model of the earlap is established.The transmittance of the earlap model and its distribution regularities under vary beam properties(beam radius,the input energy and its distribution) and model parameters are researched by Monte-Carlo method.

选择耳垂作为测量部位，建立了多层耳垂组织仿真模型，利用Monte-Carlo方法研究了不同光源特性(光束半径，入射能量大小及分布等)及模型参数下耳垂组织模型的光透射能量及分布规律，由透射光能量分布、光电二极管光敏面积和探测灵敏度推出特定测量信噪比要求的入射光能量。

Electron/hole pair for every 3.62 eV of energy lost in the silicon, which is the input signal.

典型的探测器是Si-PIN光电二极管探测器：X射线与硅作用，使其平均每消耗3.62 eV能量便产生一个电子/空穴对，即为输入信号。

The paper brought forward and excogitate a technique of dynamic compensating with which can greatly enhance the adaptive capability of temperature of the APD. In the research of usage, with the help of Ningbo Zhengdong photoelectricity CO.

论文详细分析了影响系统稳定性的各种因素，尤其是雪崩光电二极管的温飘特性，提出并研发了一种动态跟踪补偿技术，能够大大提高APD 对环境温度的适应能力。

But in achieving the current-voltage conversion, with the current-voltage feedback circuit we may reach the goal in the feedback resistance using, namely premise the photoelectric current certainly, the feedback resistance is bigger, the voltage is greater.

但是在实现电流-电压转换的时候，用的电流-电压反馈电路，我们可以在反馈电阻的使用上达到目的，即在光电二极管的光电流一定的前提下，反馈电阻越大，电压越大。

This burst waveform has benefits compared to a continuous wave emission in that the laser peak power can be very high for measuring long distances, yet the average power can be kept low for eye safety. And more, the pre-amplified optical receiver possessing temperature compensation and feedback resistance noise compensation is designed which is based on the noise spectrum density theory of silicon avalanche-photodiode.

同时根据硅雪崩光电二极管噪声谱密度理论，设计了具有温度补偿和反馈电阻噪声补偿的激光测距仪前放接收模块，详细分析了背景光，反向高压和反馈电阻对于Si-APD接收性能的影响。

Photodiodes sense the fringe pattern rate and direction of movement.

光电二极管的意义上讲，条纹率和运动方向。

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。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。