光电接收器

设计了具有软启动功能和恒亮度控制的光源驱动电路，所用光电接收器能满足测量系统要求。

A light source driving circuit with soft starting function and constant brightness control is designed and used photoelectric receiver can fulfill the demands of the measuring system .

光纤CATV系统光电接收器的研究

Study on photo-detector for fiber optic CATV system

利用光电接收器件阵列组合接收光栅产生的莫尔条纹信号，得到x，y方向的对正偏差信号。

The Moire signal generated by a pair of special slant gratings is detected by a set of photoelectric detectors then the detected signals are used to estimate the magnitudes of misalignment in x , y directions .

测量系统采用半导体激光器作光源，线阵CCD作光电接收器，运用数字图像处理技术，使系统精度达到比较满意的程度。

The measuring system consists of LD as light source and linear CCD camera as photo electricity receiver . Using digital image processing in this measuring system in order to improve the measuring accuracy .

本文介绍了采用光学成象法，以拼接CCD为光电接收器的外径测量系统的原理及其结构。

The principle and structure of the diameter measuring system . to which the optical imaging method is applied and the assembled CCDs are used as photoelectric detector , are presented in the paper .

本文介绍了大面积锗光电接收器的光谱响应、量子效率、频率特性和I-V特性的测量方法。

A fabrication procedure for large area germanium photodiodes has been demonstrated and the measuring methods on characteristics of spectral response , quantum efficiency , fre-quency response and I-V for this device have been described .

描述了系统结构的总体设计、关键的光学、机械和伺服控制单元，包括多个800nm波段激光发射器，980nm信标激光发射器，光电接收器，位敏探测器，步进马达和自动跟踪微处理器等。

The overall design , key optical and mechanical components , and servo control sub system are described including three laser transmitters at 800 nm , a beacon laser at 980 nm , optical detector , position sensitive detector , step motor and micro processor for auto tracking .

描述了相关的电子系统和光路系统，特别对开放光路气室和自平衡光电接收器作了详细分析。

The optics and electronics of the system , especially the open-path cell and the auto-balanced photo-receiver are described .

拼接可大幅度地提高光电接收器的总像元数，并在实际工程中应用。

The assembly can raise total pixel numbers of photodetector in largescale , and can be applied to practical engineering .

在像面上的不同点设置多组光电接收器，将像面接收到的光信号转换为电信号。

Photoelectric receivers are placed at different points in the focal plane , by which the optical signals are converted to electric signals .

在多个光电接收器串联或并联连接时使用的一种电阻性体效应型光敏元件。

A resistive , bulk effect type of photosensor ; used when it is desirable to wire several photoreceivers in series or in parallel .

然后利用直角棱镜、透镜、波片等光学元件搭建了光路系统，该系统利用半导体激光器作为测量基准光线，两个互相垂直的直角棱镜作为反射元件，四象限探测器作为光电接收器。

In the system , a beam coming from semiconductor laser is as the standard light and two mutual perpendicular prisms are used as reflective device .

在像面上，如果用某种平面多通道光电接收器探测光谱信号，可使光谱分析简单、迅速、并可做瞬间光谱分析。

If a multichannel photodetector receives spectrum signals on the plane , spectrum analysis can be more simply and quickly , and instantaneous spectrum analysis can be achieved .

由于该装置采用变增益放大器和柱面形光电接收器，它具有对目标探测的动态范围大和实现对目标全方位测量等特点。

This device has the characteristics of detecting object dynamic range and realizing omnibearing angle measurement , due to being equipped with changeable gain amplifiers and three silicon photoelectric accepters with cylinder surfaces .

提出一种激光扫描测量厚/宽度的新方法，系统由准直激光源、差动扫描转镜、接收物镜、光电接收器和智能仪表组成。

A thickness and width measuring technique is advanced . The system is consisted of alignment laser source , differential scanning mirrors , accepting objective , photoelectric device as well as intelligent meter .

以线阵CCD光电传感器作为接收器，能够自动测量和实时显示透镜的焦距。

Aphotoelectric measuring system of focal length which uses linear CCD sensor as the detector can automatically measure and real-time display .

介绍了采用PIN硅光电二极管作光接收器件实现的一种被动式实时测温系统。

A passive temperature measurement system using PIN photodiode as a pyroelectric detector was proposed .

研制出以线阵CCD光电探测阵列为接收器的激光粒度仪样机，适于0.31～168μm固体粉末或混浊液中悬浮粒子的粒度分布测量。

The prototype of a Laser Particle Size Analyser with linear CCD detector array has been developed . It is applicable to measuring particle size distribution of solid powder or liquid suspension in size range of 0.31 ~ 168 μ m.

散射光型光电感烟探测器的光电接收器输出信号，与光源辐射功率和波长、粒子浓度、粒径、散射角、散射体积和光敏元件的受光面积等有关。

The photoelectrical receiver output signal of scattering photoelectrical smoke detector was relevant to light source radiation power , wavelength , particle thickness , particle diameter , scattering angle , scattering volume and the light area of photosensitive unit .

光电轴角编码器主要依靠计量光栅作为检测工具，通过光电接收器进行转换，把被测物体转动的位移量或者角度值转换成相应的模拟量或者数字信号，进而达到精确测量的目的。

In order to achieving the purpose the accurate measurement , photoelectric rotary encoder relies mainly on measuring grating as detection tool , then change the object displacement or the rotation angle value into the analog or digital signal when through the photoelectric conversion .