查询词典 optical cable

The curvature radius of optical sphere is an important parameter to determine the properties of an optical sphere. The measurement result of the spherical curvature radius can be used to assess the quality of an optical component.

光学球面曲率半径是决定光学球面光学特性的重要参量，通过测量光学球面的曲率半径，可以审核光学元件设计制造质量。

Adjacent grooves in the first groove set are separated by a distance sufficient to define therebetween a structure defined by a first optical surface (142) on one side, a top surface (146) and a first non-optical surface (150) opposite the first optical surface.

第一沟槽组中的相邻沟槽相隔一段足以在两者之间限定由位于一侧上的第一光学表面（142）、一顶面（146）和与第一光学表面相对的第一非光学表面（150）所限定的结构的距离。

Optical time division multiplexing ; demultiplexer ; semiconductor optical amplifier ; all optical signal process ; fast gain saturation

光时分复用；解复用器；半导体光放大器；全光信号处理；快速增益饱和

The method of diffractive optical elements, such as processing and transmission grating dense optical material from the traditional extended to ordered nano-pore materials, is expected to apply to the manufacture of high performance diffractive optical elements.

该方法将衍射光学元件如透射光栅的加工由传统的致密光学材料扩展到有序纳米孔材料上，有望适用于制造高性能衍射光学元件。

The new fluoride glass wire, or optical fibre, is a major improvement over the optical fibres now used in many modern communications systems.Present optical fibres are made from silica glass.

这种新的氟化玻璃线或者光导纤维是在普遍用于现代通讯设备中所使用的光学纤维的基础上的一项重大改革。

We have calculated the electronic structure and optical properties of zinc blende structure ZnSe under different high pressure by means of plane wave pseudo-potential methodwith generalized gradient approximationin this paper.The total energy,density of state,energy band structure,and optical absorption and reflection properties under high pressure are calculated.Furthermore,we analyzed the change of electron structure,band structure and optical properties under high pressure using the results of experiment and theory

运用密度泛函理论体系下的平面波赝势和广义梯度近似方法，利用第一性原理计算了不同的压强下ZnSe晶体闪锌矿结构，得到了它的平衡晶格常数、总能量、电子态密度分布、能带结构、光反射与吸收系数等性质，具体讨论了高压下ZnSe的电子结构，并且结合实验结果定性地分析了高压下的光学性质。

All-optical devices, such as in-line electrooptic modulation, all-optical wavelength converter and all-optical switch , built from this effect, as well as its applications in the AON are also studied in this paper.

目前，石英光纤二阶非线性效应的研究方兴未艾，但对其机理的解释仍众说纷云，对其未来的应用研究还刚伊始，它是当前的研究热点之一。

Observing the extragalactic radio sources in both radio and optical wavebands is the important method to construct the relationship between radio and optical reference system. Since the precision of radio positions of radio sources is better than lmas, determination of optical positions of radio sources is the key step.

实现射电与光学参考系连接的一个重要手段是在两个波段观测河外射电源，由于射电源的射电定位精度已达亚毫角秒，因此河外射电源的精确光学定位是关键。

Firstly, the circumstances of focimeter, the working principle of automatic focimeter, the MCU ARM and the picture sensor are introduced in this paper.And then based on the optical principle of the automatic focimeter, the research on the optical arithmetic of lens'parameters and the arithmetic on the picture point are presented.And after that, the design of the whole system,the design of the optical system,the design of the mechanical system and the design of the electrical system are discussed . And then the design of the hardware system and the design of the software system are emphatically discussed.

本文首先介绍了焦度计的概况、自动焦度计的工作原理、ARM单片机及图像传感器；然后结合自动焦度计的工作原理，对焦度计中一些光学参数的算法以及中心像点的位置检测算法进行了研究和讨论；接着介绍了总体方案的设计、光路系统的设计、机械系统的设计以及电气系统的设计；接下来重点讨论了硬件和软件的设计。

Using the amplification transfer function of type Ⅰ BBO crystal, the theoretical study of spatial properties of the optical parametric fluorescence generated by homochromatic signal and polychromatic signal in optical parametric amplification is investigated, The numerical simulation results demonstrate that when the homochromatic signal is injected into optical parametric amplifier, the fluorescence signal is first emitted in a cone and then in a ring while centering on the pump wave direction.

采用第Ⅰ类相位匹配BBO晶体的放大传递函数方法，分别对光参量放大过程中单波长信号光注入和多波长信号光注入出现的参量荧光的空间特性进行了详细的理论研究。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"