查询词典 photoelectric

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。

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。

Reference grating formed by electronic oscillating signal and photoelectric conjunction Moire contouring of isohypse fringe based on electronic signal beat freguency principle are reported in the paper.

本文报导用电子振荡信号形成"参考光栅"，基于电信号拍频原理产生等高线条纹的光电结合型莫尔轮廓术。

It is revealed by the related research that human vision system is not only a photoelectric transformer, but also of some ability of preprocess of visual information.

对人类视觉的研究表明，人眼不仅是一个进行光电转换的传感器，而且具有一定的信息加工能力。

A phototube mcunted under the back of the weld received a light from efflux plasma out of the key-hole and transferred it into a photoelectric pulse signal.

放置在焊缝背面的光电管接收并监控来自等离子弧尾焰的光线。接收到的光信号被光电管转换成光—电脉冲信号。

The engagement of Laster and semiconductor photoelectric examination technique has reduced the workloads of installation and maintenance,improved the long-term stability and the penetrability of the light source in the dust,also,incereased the reliability of the equipment for the long range.

激光和半导体光电探测技术的应用减少了安装和维护的工作量，提高了光源的长期稳定性和在烟尘中的穿透能力，增加了设备长期工作的可靠性。

Using the wavelength of 650nm PIN photodiode to form the large effective screen area,laser screen velocity measurement system comprised of lens hood,interference filter and special photoelectric conversion circuit measure execution of projectile.

实验采用650nm波长的PIN光电二极管发出激光形成大面积光幕，经过遮光罩、干涉滤光片等光学器件和特殊的光电转换电路组成的光电靶测速系统测试弹丸的创伤性。

The photoelectric target based on LED and light sensitive element array could improve the sensitivity and enlarge the effective area.

基于红外发光二极管和光敏元件阵列的光电靶可以提高灵敏度，有效地增大靶面。

Based on the principle of light-pen mode non-track three dimensional coordinate measuring technology, the paper uses PSD as the photoelectric receiver and point light modulated by frequency to measure coordinates.

本文通过对光笔式无导轨三坐标测量的研究、提出了以PSD(Position Sensitive Detectors，位置检测传感器)作为光电接收传感器，用高频调制光作为点光源，进行位置坐标测量的新思路，以提高整机的精度。

Choose the 890nm infrared LED as the light source after compared the capabilities of incandescent lamp/tungstic lamp and LED/LD and also think about the selective absorbability of water; it has strong points such as constant light intensity,long life, narrow light spectrum,etc, and use the infrared light with 890nm wavelength to decrease the influence of optical-absorption matters.Choose the photosensitive diode which suitable to the LED which we choosed after compare the capabilities of light sensitive resistor, photocell, photosensitive diode and phototriode. Both of these make up the photoelectric system of turbidimeter.

通过比较白炽灯／钨灯和发光二极管／激光二极管的各项性能指标，考虑到水对光线具有选择性吸收作用，选择890nm的红外发光二极管作为浊度仪的发光器件，其有发光光强稳定、寿命长、发光光谱窄等优点，且用波长大于800nm的红外光进行测量可以大大减小水中光吸收物质的影响；通过对光敏电阻、光电池、光敏二极管和光敏三极管等光敏器件的各项性能的分析与比较，选择响应时间短、输出特性线性度好的光敏二极管作为光接收器件，并与红外发光二极管相配套，构成浊度仪工作的重要系统——光电系统。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。