Wide field inversion lens system in operation of complicated retinal detachment 广视野系统在复杂视网膜脱离手术中的应用
It adopts the imported MRF CO2 laser tube, the best expanding lens system and high scanning head. 采用进口金属射频CO2激光管,最佳扩束聚焦光学系统及高速振镜扫描头。
Design of Infrared Optical Zoom Lens System Based on DSP 基于DSP的红外双视场调焦系统设计
Compound lens or lens system designed to be free of astigmatism and able to form approximately point images. 没有散光并且能够形成近似的图像的透镜或透镜系统。
Study on Focusing Lens System In Modulation Type Quasi-laminar Flow Electron Gun 调制型准层流电子枪聚焦透镜系统的研究
This thesis analyses the design and simulation of micro optical lens system having a fixed focal length, improving on it, making with simulation and design preferable. 本文首先介绍了微型光学镜头的发展状况,分析了光学镜头与影像感测元件之间的匹配问题,并对定焦镜头的技术参数以及发展历程作了详细的介绍。
An optical image recording system for the electronic recording of optical information comprising a lens system and a body; 一种光学图象记录系统,包括透镜系统及壳体;
Finally, the aspheric lens system was processed by single point diamond turning techniques and its shaping ability was tested by the optical analyzing software. 最后,利用金刚石单点车削法加工该非球面光学系统,并利用光束分析软件对系统的整形效果进行了测试。
Clinical study on wide field inversion lens system for treatment of pseudophakic retinal detachment 广视野镜倒像装置系统应用于人工晶状体眼视网膜脱离手术的临床观察
The Judgment of Lens Image Formation of Objects in Different Positions; compound lens or lens system designed to be free of astigmatism and able to form approximately point images. 由物像位置关系得出的透镜成像判断方法没有散光并且能够形成近似的图像的透镜或透镜系统。
Cryotherapy in treatment of 30 patients with complicated retinal detachment under surgical microscope with wide field inversion lens system 广角视野观察系统联合手术显微镜直视下冷凝治疗复杂性视网膜脱离30例
The ratio of the focal length to the diameter of a ( camera) lens system. 相机镜头直径焦距比。
Design of a Compactness and High Resolution Lens System for Mobile Phone 结构简洁、高分辨率手机镜头的设计
Lens system focuses image on a photosensitive mosaic that is scanned by an electron beam. 把影像投到电子束扫描的光敏镶嵌屏幕上的透镜系统。
A lens system consisting of two or more lenses on the same axis. 在一个轴上有两个或更多的镜头的镜头系统。
A compound lens system that forms an image free from chromatic aberration. 形成没有色差图像的复合镜头系统。
Objective: To discuss the benefit of wide field inversion lens system in operation of complicated retinal detachment Methods: 46 eyes with complicated retinal detachment received operation, wide field inversion lens system was used. 目的:探讨广视野镜倒像装置系统在玻璃体视网膜显微手术治疗复杂视网膜脱离中应用的价值。
Adopting a nonlinear model of the optical system tolerance and regarding wave-Variance or Geometrical OTF as evaluation function of the system, this program can be used to design and analyse the tolerance of the optical lens system. 采用光学系统公差的非线性模型,以波差方差或几何传递函数为评价函数,据此编制的程序可进行光学系统公差的优化设计和统计分析。
This report describes the design and the calculation of an ion-retarding lens system which is used to increase the abundance sensitivity of MAT-260 mass spectrometer. 本文描述了一种用于提高MAT&260型质谱计丰度灵敏度的离子减速透镜的设计和计算。
Are the Pair of Quasars 1146+ 111B, C the Two Images of the Seventh Gravitational Lens System? 类星体对1146+111B,C是否为第七个引力透镜的像?
The principle and method of holographic record of the particle field by 4F Fourier lens system and holographic filter are introduced in this paper. 本文介绍用4F傅里叶透镜系统和全息滤波器对粒子场分布作全息记录的原理和方法。
The achromatic principle and its design method of two-grating lens system are presented. 介绍双光栅透镜系统的消色差原理和设计方法。
Methods of study and the results thereby obtained are also applicable to an electrostatic lens system. 本文所用方法与所得结果均适用于研究静电透镜。
An all-electrostatic focusing and deflecting system characterized by simple lens system is introduced The new system is very useful in producing compact high-performance camera tubes. 介绍了一种采用只含有会聚场的单透镜的全静电聚焦和偏转系统,这种系统非常适用于制作小型高性能摄象管。
By a rotating right-angle prism system, the traditional f& θ lens system and rotated polygon mirror can be replaced to perform a high-precision constant scanning. 用旋转直角棱镜系统可以同时替代传统f&θ透镜系统和旋转多面体反射镜两个光学部件,实现高精度的光束恒速扫描。
As an example, the transformation of high-order Hermite-Gaussian beam through a cylindrical lens system is given. 作为一个实例,分析了高阶厄米-高斯光束通过柱面透镜的变换。
Focusing and Diffraction Effects of a Laser Beam through a Lens System 激光束经透镜系统的聚焦及衍射的影响
Closed loop control of a zoom lens system 变焦镜系统的闭环控制
For the aspheric surface manufacturing method is different, precision glass molding lens and mix molding lens is used respectively to design the system in the design of high resolution aspheric lens system. 由于非球面的制造方法不同,在设计较高分辨率非球面透镜系统时,分别使用精密玻璃模压成型透镜和混合成型透镜对系统进行设计。
According to the requirements of resolution system, using CODE V software, completed a microscope lens system and adapter-optical design and conduct the simulation. 根据系统分辨率的要求,利用CodeV软件,完成系统中显微镜物镜和转接镜的光学设计,并进行了仿真。