查询词典 photoelectric current

Next, the following points are emphasized:(1) The design of photoelectric conversion preamplifier circuit. In order to improve the measurement accuracy of luminometer and ensure linear relationship of the photoelectric, operational amplifiers is designed as current-voltage converter form, on the one hand, it is available to zero-load effect; on the other hand, short-circuit current can be transformed into a voltage volume through the feedback resistor, it is equivalent to voltage drop flowed through a load resistor on the actual effect.

其次，本文重点做了以下工作：(1)光电转换前置放大电路的设计：为了提高照度计的测量准确度，确保光电间的线性关系，本设计把运算放大器接成电流电压变换器的形式，一方面可得到零负载效应；另一方面，短路电流通过反馈电阻变成电压量，实际效果相当于流过一个负载电阻形成的压降。

Current measurement ; optical current transformer ; photoelectric cell ; calibration ; temperature compensation

电流测量；光学电流互感器；光电池；校验；温度补偿

First we make a study on factors which influence photoelectric detecting and to what extent, and basing on this study we put forward proper methods to improve current photoelectric detecting module.

首先本文采取试验的方法探索了影响光电接收的因素及其影响力，并且在此基础上提出恰当的解决办法对现有光电探测模块作出改进。

A blend closed loop control system is introduced,which is constituted with microcontroller,photoelectric coder,direct current servo electromotor and direct current servo electromotor drivers.

本设计要求对某火炮的水平和高低角进行控制，达到快速位置伺服系统的要求。

The gauging results demonstrated, the device absorbed photo-energy then transfer the energy to high efficiency photoelectric current.

子点与穿透接面，做为光检测器之检测构件，进而制作出矽量子点光检测器。

This paper, based on multi information database of smoke aerosol in early fire, concludes and analyzes the inherent ability of forward scatter-type photoelectric smoke detector. A feasible arithmetic disposal technology and an intelligent way for fire detection are proposed, which effectively improves the fire detection and antijamming ability of current forward scatter-type photoelectric smoke detector.

以国家科技部973项目中建立的火灾探测应用环境及火灾信息数据库为依据，对目前使用最为广泛的前向散射型光电感烟探测器固有特性的归纳和分析，通过数据挖掘，提出一种切实可行的算法处理技术和智能判断火灾方法，有效提高了现有前向散射型光电感烟探测器的火灾探测及其抗干扰能力。

The detector,(ECADATA company's production), Si-photodiode , is used as the sensor. Its photoelectric current output is proportional to input light's energy. The gasoline flame radiation intensity and flicker frequency are both monitored to improve the system reliability.

经方案比较，决定选用基于火焰的红外光谱辐射特性的火焰检测原理，研制开发火焰监测系统，检测元件选择ECADATA公司生产的红外雪崩型硅光电二极管，光电二极管在接受红外辐射时，其产生光电流的大小与入射光能量成正比。

To undertake the smart new product development, typical cases: one, Sichuan Telecom: intelligent power protection device (with over-current, over-voltage, leakage protection and automatic reclosing feature). 2, United States Miller: C2 smart hot and cold air conditioning (by the International Silver Expo). 3, intelligent photoelectric counter, is superior to all current photoelectric counter.

承接智能新产品开发，典型案例：1、四川电信：智能电源保护器（具备过流、过压、漏电保护和自动重合闸功能）。2、美国米勒：C2智能冷热空调。3、智能光电计数器，优于目前所有光电计数器。

The socket structure is provided with a zero phase trigger control unit, through the photoelectric sensing element of the unit, optical coupling can be performed to generate zero phase trigger, and the opening or the closing of a two-way thyratron in the zero phase can be accurately controlled, therefore, an electric device inserted on an output socket can be started or stopped from the zero phase, in order to reduce the electromagnetic interference and prolong the service life of the electric device, the use efficiency of the electric device can be enhanced, the power supply thereof can be saved, filtering and rectifying can be performed through a current switching unit when the alternating current power supply passes through a filtering and rectifying circuit, the noise caused by external interference and affect can be filtered, and the power supply can be respectively transmitted to a current detecting socket and the input end of the current switching unit to be detected through a temperature sensor arranged on the current switching unit.

本实用新型为有关一种插座结构，尤指为设有零相位触发控制单元，可通过其光电感测元件来进行光耦合而产生零相位的触发，且可准确控制双向闸流阀在零相位的开启或者关闭，进而达到插置于输出插座上的电器装置从零相位开始启动或者关闭，以降低电磁干扰而延长电器装置使用寿命，且可提升电器装置的使用效率及节省电源，并通过电流转换单元于交流电源通过滤波整流电路进行滤波整流，可滤除外部所干扰影响的杂讯，并分别传送至电流侦测插座及电流转换单元的输入端，而可通过电流转换单元所设置的温度感应器来进行侦测，于电路温度升高时，温度感应器可进行切断双向闸流阀的电源输出而达到保护输出插座上所插设的电器设备。

Using the autocorrelation function, the principal of homodyne method is explored. The relationship between delay time induced by delay fiber and characteristics of additive frequency-domain fluctuation affixed on homodyne beat noise photoelectric-current spectrum are intensively analyzed.

一、利用自相关函数研究了零拍法测量激光线宽的原理，重点考察了零拍光电流谱线上所附加的频域周期性波动，确定了该波动的频域周期与光纤延时线所产生的时延成反比。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。