光电

A rheostat or other device used to vary the intensity of an electric light .

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。

AT89C51 single-chip microcomputer is used as the test and control core of the intelligent robot in this design,which detects the black line and barrier on the surface of road with infrared photoelectric sensor,and detects iron piece beneath the surface of road with metal sensor,and measures range with photoelectric yard measure,tests and judges the garage position with photoresistor,and also dynamically controls rotating direction and speed of motor by PWM(Pulse-Width Modulation) technique.

本设计以AT89C51单片机作为智能机器人的检测和控制核心，采用红外光电传感器检测路面黑线及障碍物，使用金属传感器检测路面下金属铁片，应用光电码盘测距，用光敏电阻检测、判断车库位置，利用PWM技术动态控制电动机的转动方向和转速。

Therefore, the method which combines the optics and electronics technology has come into the leading roll in the pattern recognition.

因此光电混合的模式识别技术就成为模式识别领域的重要发展方向。

The methods using rotating vector,carrier frequency excitation and heterodyning,tracking observers for rotor position estimation are discussed.

在传统的运动控制系统中，通常采用旋转变压器或光电编码器来检测转子的位置和速度。

To obtain the relationship between rotary dynamic target axis shake and its precision,rotating vector and coordinate transfer are used to analyze axis shake′s influence to target′s high and low angle and azimuth angle,and then to analyze its error.

旋转动态靶标是用来检测大型光电经纬仪跟踪精度和动态精度的设备。

Based on the theory and experiments, the paper builds up the simplified mathematical model of the servo control system, deduces the system control rigidity expression, and points out the method to improve control rigidity. According to Routh stability criterion, the analytic stability condition is solved, which shows the conflict between the stability and control rigidity and that gyroscope is the key factor of the conflict.

论文结合理论和试验建立了光电稳定伺服控制系统的简化数学模型，推导出系统控制刚度表达式，指出提高控制刚度的方法；利用劳斯判据求解出系统稳定的解析条件式，描述了稳定性与控制刚度之间的矛盾，并指出陀螺是矛盾关键。

It was pointed out that the diameter of the powder core of safety fuse was themain factor for its combustibility by a discussion of the combustion mechanism of the black powder, and the on-line testing significance of the diameter of the powder core was also described inthis paper.

文章通过对黑火药燃烧机理的探讨，指出黑火药药芯直径是影响导火索燃烧性能的主要因素，阐明了药芯直径在线检测的意义，并扼要介绍了一种光电式检测器的工作原理及其应用。

Several methods and devices are presented in this paper for on-line finding of faults of civil safety fuse core, with emphasis on the vperation principle,performance characteristics and applications of one non-contact mode photoelectric detector.

文中扼要地介绍了国内现用的几种工业导火索断细药疵病在线检测方式和装置；详尽地阐述了一种非接触式光电检测装置的工作原理、性能特点和使用情况。

The company's main products are: programmable logic controller, Touch Panel, pressure sensors, photoelectric sensor, regional sensors, safety lamp, fiber optic sensors, image processing device, inverter, following the Electric; components and connectors, such as more than 10 series over 400 kinds of specifications.

公司的主要产品有：可编程控制器、触摸屏、压力传感器、光电传感器、区域传感器、安全灯罩、光纤传感器、图像处理装置、变频器、继电器；元器件和连接器等10多个系列400多种规格的产品。

The features of new electro-optic products are analyzed,and a scheme of the total inspection substituted for the sampling inspection is proposed.

分析新型光电产品的特点，提出以全数检验替代以前光学产品采用抽样检验的方案。

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。