低驱动电流，高强度的光发射。
介绍光发射二极管原理和器件。
This chair introduces the principles and devices of optical emitting diodes.
事实上，此设备的98%起到光发射作用。
光发射机是由光源、驱动器和调制器组成。
Optical Transmitter by the light source, and the modulator driver components.
本文研究了电反馈光发射机的频率调制特性。
The performance for the frequency modulation of electrical feedback optical transmitters is presented.
基本上弄清了空腔靶源区、向爆区X光发射特性。
The characteristics of X-ray emission from source region and implosion region were obtained.
一控制电路，它根据光发射接收器的信号控制水泵。
The control circuit controls the pump according to the signal of the light emission receiver.
这一不寻常的X射线和光发射的组合使它成为一个显著的对象。
The combination of this unusual X-ray and optical emission makes this a remarkable object.
这一不寻常的X射线和光发射的组合使它成为一个显著的对象。
Thecombination of this unusual X-ray and optical emission makes this aremarkable object.
在光纤数字传输系统中，光发射模块是其三大重要组成部分之一。
Optical Transmitter Module is one of the three important parts in the transmitting system.
理论结果用实验的光发射谱和基态性质以及超导数据进行了验证。
The theoretical results have been verified by both the experimental photoemission spectra and ground-state properties, as well as the superconductivity data.
新技术采用有机光发射二极管（OLED）薄膜在电流的响应下产生光辐射。
The new technology employs organic light emitting diodes, or OLEDs, tiny thin films that create light in response to electrical current.
蓝色部分表示寒冷的光发射，由哈勃探测到，来自摆脱恒星的尘埃和气体。
The blue regions show the cool optical emission, detected by Hubble, from the dust and gas thrown off the star.
当故障发生在光通信系统中时，危险的光发射可能伤害用户和维护工作者。
When failures occur in optical communications systems, dangerous optical emissions can harm users and maintenance workers.
分析各类光发射机的鉴别、调制方式和质量指标特性，并举出实际应用事例。
Here we analyzed the quality property, modulation manner and identification of various kind of transmitter with several practical application cases.
本文分析了光纤的传输特性和光发射与接收组件的性能，并进行了实验研究。
The paper analyzed the fiber transmission character and the performance of emission and receiving module, and had a trial.
用该系统检测了仅用CF4作为刻蚀气体刻蚀非晶硅基薄膜的等离子体光发射谱。
The optical emission spectrum of r. f. plasma during amorphous silicon based film etching in CF4 gas is detected.
采用透射光栅和软x光条纹相机测量了铜激光等离子体软x光发射的时间分辨光谱。
Time resolved soft X-ray (SXR) spectra of copper laser plasmas are measured by involving a SXR streak camera with a SXR transmission grating.
这些样品本身对X射线的吸收系数及掺杂浓度不一样，因此它们的光发射效率也有所差别。
In addition, the absorption coefficients and the dopant concentration doped of these samples weren't the same for X-ray excitation, therefore, their light emission efficiencies were also different.
在氧气中高温退火后，薄膜结晶质量明显提高，紫光发射强度变弱，紫外光发射相对增强。
After high temperature annealing in oxygen the crystallinity of obtained films is improved, the violet emission become weak and the UV emission gets strong.
纳米材料早就是研究的宠儿，因为它们很小的尺寸赋予它们独特的化学、电和光发射行为。
Nanomaterials have long been darlings of the research world because their small size gives them unique chemical, electrical, and light-emitting behaviors.
该光发射模块可与计算机进行通信，接收岸基站传送的控制信号去监测和控制水下光电模块。
The optical transmitter module communicates with the computer and receives the control signal from the workstation in the shore to control and monitor undersea photoelectricity module.
AIRprint比正方形的纸巾盒还要小，里面放置了两个130万像素的摄像头和一个偏振光发射源。
Slightly smaller than a square tissue box, AIRprint houses two 1.3 megapixel cameras and a source of polarized light.
波长转换材料安装于出射表面上并且直接地或间接地将所转换的光发射到具有相对较低折射率的介质内。
The wavelength converting material is mounted on the exit surface and directly or indirectly emits converted light into a medium that has a relatively low refractive index.
激发能改变每个分子吸收和发射光的方式。
The excitation energy changes the way each molecule absorbs and emits light.
一些研究者已经开始制造依靠周围光、热、振动或电视发射机提供能源的设备。
Some researchers are already building devices that run on "ambient" energy harvested from light, heat, vibration or TV transmitters.
第二种可能性则能应用在更加耗电的设备上。其原理是发射一道精确聚焦的红外激光线，击中光伏电池，由此能够将光束转换回电能。
A second possibility, for more power-hungry devices, is to fire a finely focused infrared laser beam at a photovoltaic cell, which converts the beam back to electrical energy.
在室内，这种反光板还有一些额外的好处，可以从两个方向给被摄体打光：直接反射光和天花板发射光。
Indoors, a bounce card like this has the added benefit of throwing light onto your subject from two directions, forward and bounced off the ceiling.
放射光：一个像炽热的物体那样发射光线的对象。
Emissive light: an object can send out light to imitate glowing objects.
总而言之，两支队伍发现了超过50颗遥远超新星，它们所发射出的光不如预计的那么明亮，这就意味着宇宙的膨胀速度正在加快。
All in all, the two research teams found over 50 distant supernovae whose light was weaker than expected - this was a sign that the expansion of the Universe was accelerating.
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