查询词典 optical

Fiber grating coupler has good wavelength selection characteristic of optical fiber grating as well as multiport advantage of fiber coupler. These features make it easy to realize allfiber optical add/drop multiplex.

光纤光栅耦合器具有光纤光栅良好的波长选择特性和光纤耦合器的多端口特点，易于实现全光纤的光波分插复用。

The establishment of more than 10 years, met with many world-renowned manufacturers with the industry has established close cooperation and technological exchanges and relations, the main products are: the United States and Tellabs production company Focus series SDH synchronous transmission systems and optical wave-division multiplexing Use optical transmission systems, France SEGAM the FMX series of PCM products in the domestic exclusive Newbridge Networks of Canada to introduce production technology and production lines produced by the PCM MainStreet 3630 Intelligent Terminal; Canada to introduce advanced SCADA system on its own Development of a national advanced level of 9700,9800 series of intelligent digital access equipment.

成立10多年来，先后与许多国际知名同行业厂商建立了密切的技术交流与合作关系，主要产品有：与美国Tellabs公司合作生产的Focus系列SDH光同步传输系统及密集波分复用光传输系统、法国SEGAM的FMX系列PCM产品；在国内独家引进加拿大新桥网络公司生产技术和生产线所生产的 MainStreet 3630智能化PCM 终端；引进加拿大先进的SCADA系统；自行研制的具有国内先进水平的9700、9800系列数字智能接入设备。

In cable television networks of the optical communication systems, optical laser drive is a key component of the transmitter .

在有线电视网的光通信系统中，激光驱动器是光发射机的关键组成部分。

This paper has described the basic function and qualification of the compensating brake master cylinder admeasuring apparatus firstly, given an introduction of gross structure, measuring principle and method, put its emphasis on the dissertation of working principle of main composing parts, such as endoscopic-micro optical system, CCD pick up camera and precision machinery system, and on the design of optical imaging system. It has analyzed the main error and the influence on measuring accuracy as well as giving a conclusion of error analysis.

本文首先叙述了制动主缸补偿孔测量仪的基本功能和技术指标，接着介绍了仪器的总体结构、检测原理与方法，重点对系统的主要组成部分，如内窥显微光学成像系统、CCD摄像机和精密机械系统等的工作原理进行了论述，并对光学成像系统进行了设计，最后分析了系统的主要误差来源及其对系统检测精度的影响，并给出误差分析结论。

The theoretical analysis indicated because in the optical fiber core base mold and disseminates in the envelope as well as in the spreading level Whisperin between the g2gallery pattern coupling, caused the curving loss vibration, this article the curving loss has carried on the simulation analysis to the single model optical fiber in along with the bevelling radius change.

理论分析表明由于光纤纤芯中的基模和在包层以及涂覆层中传播的Whisperin g2gallery 模式之间的耦合，引起了弯曲损耗的振荡，本文对单模光纤中弯曲损耗随弯曲半径的变化进行了仿真分析。

Dispersion compensation by chirped optical fiber grating in optical fiber communication system.

啁啾光纤光栅在光纤通信系统中的色散补偿。

The optical element focuses the collimated light onto the aperture of the optical fiber.

光学元件将准直的光聚焦到光纤的孔径上。

The rotary graded-index lens collimates the light from the SM fiber, PIN photo detector transfers the optical signal to electric signal, and the semiconductor laser gives out the regenerate optical signal and lets the ray keep up transmitting in fiber communications system.

旋转状态下的自聚焦透镜准直光纤输出的光信号，并由PIN光电探测器将其转换为电信号，再由激光器根据电信号再生出原始光信号继续在光纤通讯系统中传输。

In the optical system of DVD pickup, the collimating system has very important function, and its performance has large effect on design of objective lens. The collimating system of optical pickup was designed and implemented; the performance of collimating system is very good proved by experimental result.

在DVD光学读取头中，准直系统具有非常重要的作用，它的性能直接关系到整个DVD读取头的效率和物镜设计的难度，作者设计并制作了准直系统，理论分析和试验表明，准直系统具有良好的性能。

The point spread function and optical transfer function is the basis for optical synthetic aperture design and optimization. The imaging of complex objects can be obtained by the object function convoluting with the point spread function.

在空间域从理论上分析光学综合孔径成像系统的点扩散函数，对复杂目标的成像通过目标函数与点扩散函数的卷积求得，点扩散函数决定了成像质量。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。