光发射

The sending end when the use of pulse modulation approach will be a binary digital signal into a frequency modulation of the pulse sequence, and driver fired infrared tube to the form of light pulses sent receiver will receive the pulse of light conversion to electrical signals , and then, after amplification, filtering and other treatment to the demodulation circuit after demodulation, reduced to a binary digital signal after the output.

发送端采用脉时调制方式，将二进制数字信号调制成某一频率的脉冲序列，并驱动红外发射管以光脉冲的形式发送出去；接收端将接收到的光脉转换成电信号，再经过放大、滤波等处理后送给解调电路进行解调，还原为二进制数字信号后输出。

The epitaxial wafer is equipped with two detached quantum traps, by preparing three electrodes on the p-type layer I, the n-type layer and the p-type layer II, the two quantum traps can respectively emit light with different wavelength under applied voltage, after the epitaxial wafer is prepared to LED chip, mixing light with different wavelength emitted by the quantum trap I and the quantum trap II are obtained, or a single-color light emitted by the quantum trap I or the quantum trap II is obtained, thereby greatly extending application area of the LED.

本发明外延片设有两个分隔的量子阱，通过在p型层I、n型层、和p型层II制作三个电极，可使两量子阱在外加电压下分别发射不同波长的光，该外延片制作成LED芯片后，可获得由量子阱I和量子阱II发出的不同波长的混合光，或者分别发出由量子阱I或量子阱II产生的一种颜色的单色光，大大拓展LED的应用范围。

The light valve (1) is used to control the transmission of light emitted by the light source (3) based on signals which are present in an electronic form.

光阀(1)用于根据呈电子形式的信号控制由光源(3)发射的光的传输。

The crystal ball shone strong blue lights----which Mr. Peebles had noticed already in the chamber.

水晶球发射出强烈的蓝光-----皮布尔斯先生早先在屋里已经注意到的那种诡异的蓝光。

X-ray diffraction was used to analyze the crystal structure and the field-emission scanning electron microscopy inspected the surface and cross-sectional morphology. X-ray photoelectron spectroscopy is used to determine the film composition. The optical transmittance, electric resistance, Hall Effect, and Seebeck coefficient were measured. It was found in XRD patterns that all samples possess In2O3 structure.

在特性量测方面，分别以X光绕射分析其晶体结构，场发射扫瞄式电子显微镜分析其表面及断面型态，以X光电子能谱分析仪分析薄膜成份，并搭配光穿透率、电阻率、霍尔效应及Seebeck系数等特性分析，探讨经热处理之后薄膜的热电特性变化。

In operation, an external stimulus is applied, such as a voltage supplied by an external power source, thereby changing the phase of light emitted therethrough, generating two beams of light traveling in different directions.

工作中，施加了外部激励，例如外部电源供给的电压，由此改变所通过的上述所发射光的相位，形成两束以不同方向传播的光。

The weight ratio of riboflavin and anthrone, the weight of dispersing system LDPE and the heating time is studied during making the organic luminescent films. The possibility of achieving organic WLED using ax — 17 and zq — 13 is investigated. According to the theory of linear system, a new way of calculating the efficiency of fluorescence resonance energy transfer is investigated and it is proved by experiments.

在有机白光LED方面，本文考察了有机荧光物质核黄素和蒽酮之间质量比、分散系聚乙烯质量和成膜时间对有机发光薄膜荧光光谱的影响；探讨了使用有机荧光颜料ax—17和zq—13实现有机白光LED的可能；根据线性系统理论，提出利用供体发射谱和受体激发谱的类卷积积分估算荧光共振能量传递效率的新方法，并进行了实验验证。

Green fluorescent protein is a kind of bioluminescent protein that can emission visible green light when it is excited by ultraviolet or blue light.

绿色荧光蛋白是一种生物发光蛋白，其内源荧光基团在受到紫外光或蓝光激发时可高效发射清晰可见的绿光。

In the intersatellite coherent optical communication, the vibration of a satellite will lead to a pointing error of transmitting and receiving antennas, which will decrease the signal-to-noise ratio and increase the bit error rate. In this paper, the Rayleigh distribution is taken as the pointing error model caused by satellite vibration, and PSK homodyne communication scheme is used as an example to analyze the influence of the satellite vibration on the system instantaneous BER and average BER. The simulation calculation result of BER is given.

针对星间相干激光通信中卫星平台的振动造成发射天线和接收天线的瞄准角误差，使系统信号信噪比下降，误码率增加，该文以瑞利分布作为振动造成的瞄准角误差模型，结合高斯本振光和艾里信号光外差检测模型，以PSK零差通信体制为例分析卫星振动对系统的瞬时误码率和平均误码率的影响，给出误码率仿真计算结果。

Hello, hair removal is recommended that you go to a regular hospital for plastic shed, for hair removal methods currently being used for hair removal using photons, the photons unhairing this unique light and heat treatment technology, full use of the combined effect of light and heat, through the launch special spectrum of pulsed light, penetrate the skin to reach the depth of different organizations, was the corresponding depth of the hair follicle, hair dry, and melanoma cells, such as target tissue absorption of heat generated by the formation of an instant local high temperature, dry and damage hair follicles, and obstructed and the termination of hair growth, to achieve permanent hair removal results.

您好，脱毛建议您去正规的整形医院进行脱毛，对于脱毛目前采用的方法是采用光子进行脱毛的，光子脱毛这种独特的光热治疗技术，充分利用了光和热的综合效应，通过发射特殊谱段的脉冲光，穿透皮肤到达不同的组织深度，被相应深度的毛囊、毛干、黑色素细胞等靶组织吸收，产生的热量形成瞬间局部高温，破坏毛干及毛囊，阻碍和终止毛发的生长，达到永久性脱毛的效果。

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。