查询词典 optical

An optical method for UWB monocycle pulses generation based on pulse compression in single mode optical fibers is proposed and simulated.

本文提出了一种基于全光纤脉冲压缩的超宽带单周期脉冲的光学产生方案，并进行了模拟仿真验证。

Firstly the theoretical models of reflective optical fiber bundle sensors were put forward for their general applicability, which can provide guidance for the design and implement of such sensors. Based on such theoretical models, an embedded optical fiber bundle sensor is implemented for displacement measurement in fine machining and precision controlling. Secondly the design and implement of an embedded network interface was presented, which can connect the sensors into Fieldbus network, IP network, wireless communication network and so on. Lastly the sensor structural design based on embedded microprocessor and real-time operation system, the software structural design based on multitasking and monocycle were presented, which can increase the real-time and reliability features of signal processing and transmission.

结合精细加工和精密控制中的位移测量，提出了同轴随机型反射式光纤束位移传感器的建模分析理论和设计实现，该传感器模型的建立及应用有效地避免了传统"试制-修正"法的盲目性，为反射式光纤束传感器的设计和制造提供了理论指导，为新型传感器的研究和应用开辟了道路；提出了基于嵌入式系统的网络接口模块的设计和实现，使传感器能够无缝接入现场总线、IP网以及无线通讯网等网络，从而拓展了传感器的应用领域；提出了基于嵌入式微处理器和实时多任务操作系统的传感器结构设计以及基于多任务单循环的软件结构设计，提高了传感信息处理和传输的实时性和可靠性。

For using the time and space frequency resources in imaging transmission fully, a new hybrid optical code division multiaddress coding scheme is proposed, which is based on imaging transmission with two-dimensional optical orthogonal pattern code and time frequency spread spectrum.

为了在成像光通信中充分利用时间和空间两种频带资源，以成像光通信为基础，提出一种利用二维光正交Pattern码结合时域扩频实现光码分多址编码的新方案。

The multiplexing technique of optical fiber sensor is also an important developing direction of optical fiber sensor.

光纤传感器的多路复用技术也是光纤传感器的重要发展方向。

We chose Two way ANOVA to test whether mydriatic and different analyzing optical zones will lead the the root mean square and every type of aberrations of each order to show significant differences, in the mean time, we considered the interaction between mydriatic and its optical zones.

运用双因素方差分析方法研究各阶均方根(rootmeansquare，RMS)和各种类型像差在药物作用和分析瞳孔尺寸？饬礁鲆蛩赜跋煜碌谋浠欠窬哂邢灾？同时考虑二因素的交互作用。

In order to improve the efficiency of optical engine and simplify the optical architecture, a neotype color separation/recombination device based on polarization interference filter is proposed for reflective LCOS projection display in this paper.

为了提高光引擎效率并简化结构，我们提出一种适用于反射式LCOS投影显示系统的新型高效分／合色器件——偏振干涉滤光片。

On the basis of typical photon noise model of the electro-optical imaging system, a real-time photon noise generator has been developed for producing photon noise which gives influence to the results of electro-optical imaging devices.

当将光子噪声实时地叠加到计算机生成的分辨力图案上，首次实现了定量环境下典型的真实光量子噪声的实时仿真叠加。

Compared with the conventional 2-D coordinate measuring systems, the new system has great improvement at measuring speed, aiming accuracy, measuring function and degree of automation The new system consists of two parts image measuring system of displacement and image autofocusing and aiming system The displacement measuring system in which CCD camera is used for locating the optical scale not only processes the advantages of absolute code measuring system powerful noiseproof feature, good long-time stability, easily compensated ruling error of optical scale, but also has the advantages of morden numerical systems easy numeralization and intelligence The autofocusing and aiming system in which CCD camera is applied for gaining the defocusing information and edge location information of workpiece enjoys the advantages of fast autofocusing, accurate result, high accuracy of edge detection and wide range of measured parameters, etc The feasibility of the new 2-D measuring system is analyzed in this thesis and related parameters are calculated.

详细本文在分析了现有二维中小尺寸测量系统中，光学仪器的光学读数系统和调焦、瞄准系统的优缺点之后，结合现代数字化仪器的优缺点，提出研制一种新的二维图像测量机系统。与传统二维坐标测量系统相比，新型系统在测量速度、瞄准精度、测量功能及自动化程度等方面都有较大的提高。该系统由图像式位移测量系统和图像式自动调焦、瞄准系统组成。图像式位移测量系统采用CCD摄象机拾取光学线纹尺的位置信息，既具有传统光学式绝对码位移测量系统的优点—抗干扰能力强、长期稳定性好、光学标尺误差易于补偿等优点，又具有现代化数字仪器易于微机化、智能化的优点。

In this paper, we used the object and eyepiece lens of refracting telescope for instance, at first we conferred the optical system design analyze, and emended the and try to get better optical quality.

本论文以折射式望远镜的物镜及目镜为例，首先探讨光学系统，并修正镜片的设计分析，尝试得到较佳的光学品质。

The invention relates to an optical pickup device, in particular to the optical pickup which is provided with two object lenses that are arranged around a lens supporting frame and can generate electromagnetic forces with different magnitudes correspondingly to the mass of the object lens.

本发明涉及光拾取装置，尤其是涉及在透镜支撑架周围装置有两个相对应各物镜的质量可产生大小互不相同的电磁力的物镜的光拾取器装置。

The quality of both red and white wine depends very much on the wine maker talent and on the quality of the grapes.

他的红酒和白酒的品质，根据酿造者的能力和葡萄的质量，各有差异。

No, I don't want to get drunk before my next match.

" "不，我不想让我的下一场比赛前喝醉了。