查询词典 optical distance

Binocular machine vision and binaural machine hearing reproduce senses of optical and audio direction and distance.

双目机器视觉和双耳机器听觉重现光和声音的方向和距离感。

Optical Cable and information on road, the world distance shortened.

光电缆和信息路，世界间隔在缩短。

This passage tells us that how to measure the distance of the center of two symmetry holes with the help of the tool-maker's microscope and the lying optical gage .

本文介绍如何利用卧式测长仪和万能工具显微镜间接测量对称孔中心距离。

Then three candidate modulation schemes exploiting spatial dimensions are proposed. At last, the three modulation schemes are compared by power efficiency and bandwidth efficiency. It shows that spatial quadrature amplitude modulation scheme is appropriate for long distance wireless optical communications for its high bandwidth efficiency and spatial circular symmetry.

参照传统时域信号设计方案，提出了三种空间调制信号具体设计方案，并从带宽效率和功率效率两性能上进行了比较，结果表明正交幅度调制具有带宽效率高、功率效率低的特点，而且采用的信号点越多其带宽效率就越高，另外其空间信号图案还具有圆对称性，因此非常适合在空间带宽有限的远距离无线光通信中使用。

The optical fiber transmission techniques have been applied to a wired television transmission network, and replacing the long—distance cable backbone, and application of the co-axial cable advantages as of the transmission medium has formed a concept of Hybrid Fiber Coaxof the branch and going to-some place by distribution.

光传输技术在有线电视传输网网络的应用，取代了长距离的电缆干线，而利用同轴电缆的优点作为支线及分配入户的传输媒质形成了HFC的概念，即光纤电缆混合网。

In order to decrease total optical length, a design scheme was employed by selecting mechanically compensated zoom lens with a negative compensator, shortening the focus length of variator and compensator, and increasing the distance between front group and variator. An initial configuration was obtained by solving equations of aberrations. According to aberration theory, the aberrations were corrected by using ZEMAX optical design software.

为缩短筒长，采用负组补偿偏离物像交换变焦结构，缩短变倍补偿系统各组元焦距，增加前固定组和变倍组间距的设计方案，通过解初级像差方程求得初始结构，依据像差理论，利用ZEMAX自动设计软件进行像差校正平衡。

A multi-distance measurements method is employed in this paper. A single parameter fitting method and a double parameters (reduced scattering coefficient and amplitude factor) fitting method on the basis of the least square Newton fitting algorithm is used to derive the optical parameters respectively. For the finite-thickness homogenous tissue, it can be concluded that the rest terms in expressions of diffusion reflectance and transmittance for the corresponding tissue geometries that subtract the exponential term contained source-detector distance depend on the detected position weakly.

在多程测量的基础上，使用单参数最小二乘牛顿法拟合方法和双参数（约化散射系数、幅度因子）最小二乘牛顿法拟合方法，得到有限厚均匀组织的反射率分布和透射率分布公式中除去包含测量位置的指数项的其它部分对测量位置皆具有弱依赖性的结论，并对拟合结果进行了分析讨论；而对于有限厚平板状双层组织，可根据对反射测量结果及透射测量结果进行拟合所得的约化散射系数间的差异及常数因子的正负判断双层组织的可能结构分布。

The study reveals that the reflection characteristics of cat eye effect are intimately correlated with the parameters of the cat eye optical lens and transmitting laser beam, furthermore, this characteristics would change obviously when the distance between the waist of the incident beam and the cat eye optical lens changes greatly.

研究表明，猫眼效应反射光特性与猫眼光学镜头参数和入射激光参数关系密切，在近距离和远距离有着很大差别。

The optical system of line constructive laser confocal scanning microscope is designed. The optical design software OSLO is used to design special infinite image distance half flat field objective as well as laser extender and collimating lens.

设计了线结构光共焦扫描显微成像光学系统，使用光学设计软件OSLO设计了专用的无限远像距半平场显微物镜和激光扩束准直镜。

Therefore the use of electronic current transducer as the measure unit of distance protection is suggested in this paper. The working principles and characteristics of electronic current transducer are introduced. Then the improvement on the starting component, phase selecting component, impedance component and other functional component of distance protection by using of optical current transducer is discussed afterward.

因此该文提出了采用电子式电流互感器作为距离保护的测量元件的建议，论证了采用光学电流互感器对距离保护起动元件、选相元件、阻抗元件及其他功能元件等带来的优越性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐