查询词典 optical

THESIS ABSTRACT SYSTEM MODELLING AND IMPLEMENTATION OF THE OPTICAL DISK SIGNAL PROCESSOR AND CONTROLLER The design and implementation of the signal processor and controller for the optical disk storage are approached.

本论文是围绕计算机用光盘机的信号处理系统设计与实现展开。作为理论基础，论文较系统地研究了时域、频域建模方法，特别是频域建模方法和精度分析。

Optical mice makes it no longer necessary to keep your mouse's rubber ball dirt and dust free, plus optical mice are more precise and reliable.

光学鼠标使得它不再需要，让您的鼠标的橡胶球污垢及灰尘免费的，再加上光学鼠标，而且更精确，可靠。

The first is termed aero-optic and involved optical transmission through aberrating fluid layer whose thickness, L, is smaller than or comparable with the viewing aperture dimension, A, and the turbulence scales, A , are smaller than or the order as the layers thickness:The second category, atmospheric propagation, involved optical transmission through the aberrating medium over very long propagation distance compare with the viewing aperture size, and the turbulent scales of note are generally less than or the same order as the propagation distance:Depending on the atmospheric conditions, for ground-based observatories, wave-front sensor operating at 300HZ can adequately resolved both the important spatial scales and the temporal evolution of the atmospheric-turbulence-induced aberrating wave front over viewing aperture associated with relatively large telescope.

第一类问题光学畸变发生在&近场&较短的光路上，即流层厚度L，光束直径A，以及湍流尺度Λ三者之间存在关系式：ΛA≤L≤A第二类大气传输问题光学畸变则发生在较长的一段光路上，L，A，以及Λ满足： A＜＜Λ≤L对于地基情况下的大气光学传输，300Hz的波前传感器就能实时地测得光波前畸变包括时间、空间频率的相关信息，为我们的自适应光学系统的设计、制造以及进行相关的自适应校正都有着相当重要的指导意义。

This study aims to investigate air bearing dynamics in near-field disk drives. This study compares air bearing airflows between the near-field optical disk with grooved surface and optical disks without grooved surface.

本文旨在研究近场光碟机空气轴承的动力学，比较当读写头的滑动片飞行於近场光碟片与飞行於传统碟片上方时，流场现象的差异。

The research and development of the optical fiber preparation collapsar PLC control system has the important significance for realizing PLC control system made in our country early and improving the quality of the optical fiber preparation.

本项目的研究和开发，为尽早实现光纤预制棒熔缩机控制系统国产化，不断提高光纤预制棒的质量具有重要意义。

The paper describes the work as follows.First,based on the knowledge of collapsar technics,this paper analyzes the characteristic of optical fiber collaperser machine software system and hardware structure,A P8 system and its development kit has been installed first in China,and the hardware system of the optical fiber preparation collapsar has been designed and debugged.

本文主要做了以下几方面工作：首先，在了解光纤预制棒熔缩机工艺的基础上，剖析了长飞光纤光缆有限公司的光纤预制棒熔缩机的软、硬件的特性，在国内首次组装了P8及开发系统，设计出光纤预制棒熔缩机的硬件系统，并作了调试。

Synthetic crystals of optical quartz are used as optical light convenors in photo and video devices.

光学石英人造水晶用于照相机和录像机里的日光灯

The ferroelectrics with photoelectronic, acoustooptic, and nonlinear optical effects are good candidate for constructing optical switches, power splitters, couplers, filters, frequency doublers, and integrated photonic devices. Especially, the newly developed fabrication technology for ferroelectric-based photonic crystals renders a perspective application of ferroelectric materials in photonic band-gap engineering.

具有热释电效应的铁电物质是制作新一代非致冷红外探测器的理想材料；利用铁电体的电光、声光和非线性光学效应，可构建光开关、功分器、耦合器、滤波器、倍频器等无源光学元器件或集成光子器件；特别是近年来发展的铁电光子晶体制备技术对推动和拓展铁电氧化物在光子带隙工程领域的应用带来了新的希望。

We also study another interesting nonlinear optical effect which iscalled optical Stark effect of excitons in quasi-one-dimensionalsemiconductor quantum wires.

我们还研究了另一个有趣的非线性光学效应，即所谓的光学斯塔克效应。

Beyond this, on the ground of the basic principle of constructing an optical computer and the natures of light, a fire-new ternary optical computer theory was put forward for the first time.

这项研究已经取得的理论成果有： 1、建立了三值光计算机理论体系的雏形，建立了三值光计算机的总体结构和主要部件的光学结构。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。