通过透镜

PACDN004Y Pinout: The light beam projected by the LED, passing through the condensing lens of the light projector, is applied to the sur- face of the target to be detected.

PACDN004Y引脚说明：光束通过LED的预测，通过光的投影机冷凝透镜，应用到河畔的目标面临被检测到。

The measuring technique is based on the Fraunhofer diffraction of the parallel beam of the mono-chromatic light by the moving droplets.

这种仪器是利用平行单色光束照射运动着的雾滴而产生夫琅和费衍射，通过傅里叶透镜将衍射光束会聚在多元光电探测器上，来测定其衍射光能分布，再通过小型计算机，将光能分布翻译成为相应的雾滴尺寸分布。

Sinewy filaments within squirming microscopic diatoms, a type of algae, are artificially rainbow hued as a result of being photographed through polarizing light filters.

蠕动的、通过显微镜可见的硅藻有着强壮有力的细丝，是水藻的一种，通过偏振光透镜拍摄的结果是被人为地渲染上彩虹色彩。

This method is to lay the polarizing code of the different polarizing eyepiece angle in the different direction. Then, each direction's optical fiber was coupled into a bunch of optical fibers. After the focusing collimation set of lenses injection solution leaning path of rays, the laser incidence direction was obtained through the judgment circuit analysis.

该方法是通过在不同方向上放置不同起偏角的偏振片编码，再将各个方向的光纤耦合成一束，经准直透镜组射入解偏光路中，通过判断电路分析得到激光入射方向。

Retroreflector array is used as pseudo phase conjugator in the system. The fidelity of the conjugate wave and matching problem of the retroreflector array and Hartmann-Shack wavefront sensor is discussed. Several data fusion methods are presented in order to having two Hartmann-Shack wavefront sensors control one set of wavefront corrector. The misalignment errors of Hartmann-Shack wavefront sensor and arrangement errors of wavefront sensor and deformable mirror are analyzed. At the same time, numerical work based on the data of practically system, such as 61 element AO system, are done corresponding to the problem respectively and the results are given.The system of CP/CM AO is setup to fulfill all the functions.

针对不同的应用环境，提出了四种CP／CM衍生光路；进行了关键器件——角反射器阵列的保真度分析，给出了角反射器阵列作为伪相位共轭器件，与哈特曼—夏克波前传感器的匹配条件，认为角反射器阵列的布局要与哈特曼波前传感器的微透镜阵列布局完全对应，才能达到最优探测效果；提出了四种双哈特曼传感器控制一套波前校正器的数据融合方式，并逐一进行了分析，认为加修正因子斜率融合和电压融合方式在目前工程中是适用的，并进行了相应的数值模拟；给出了哈特曼传感器自身的调整误差分析过程，得到了误差可通过常规标定消除的判断依据；通过数值计算，得到了常规自适应光学系统和CP／CM系统哈特曼传感器和变形镜的对准误差对系统性能的影响，给出了两种系统对于不同对准误差情况下校正效果的变化情况和相应系统容限；以37单元自适应光学系统为基础，搭建了CP／CM自适应光学系统光路，并完成了系列CP／CM功能实现实验，运用双哈特曼传感器数据融合，成功实现了CP／CM自适应光学系统的闭环实验。

So the defocus quantity is calculated by detecting the image spot position offset and the front focus plane of the collimation lens can be adjusted on the first image of the theodolite.

该方法利用半反半透镜将准直物镜后的物光折转，采用双分离透镜将目标成像到CCD上，经视频驱动、放大电路、再经A/D转换后输入到微机进行图像信号处理，这样，通过检测像的偏移量求出离焦量的大小和方向，然后驱动调焦部件使准直镜的前焦点在经纬仪的第一像面上。

The focal properties of varifocal Fresnel lens was studied in experimental, experimental results showed that the deformation of surface of LCoS will lead to diffusion of the focal of Fresnel lens, one correction method was mentioned.

然后利用已经制作的LCoS相位空间光调制器，实现了可编程的变焦菲涅尔透镜，通过实验研究了变焦菲涅尔透镜的聚焦特性，发现LCoS器件的表面弯曲会导致聚焦焦点的弥散并设计了校正的方案。

Ray tracing method is used to calculate the spot pattern for different lens section plane,and then lens section plane of available dielectric material is optimized to reduce aberrations,so as to expand the field-of view.

采用射线追迹方法计算不同透镜剖面成像系统焦面上的点列图，对商用介质材料透镜通过优化剖面形状来减小像差从而获得视场扩大的效果。

It can be inferred that the focus-variable Fresnel zone lens can be made by changing the index of refraction of material.

据此分析，通过改变透镜材料的折射率，可以制作变焦的菲涅耳波带透镜。

The rotary connection can be carried out in free space and hi-direction transmission of optical signal can be performed. Through analyzing the design principle of the optical structure and optical path calculation, it is found that when the ratio between the focal lengths for two lens is 20~50 and off-axis distance is in the range of 4~10mm, the interference will not be occurred between two optical channels and signal transmission can be lasted.

在自由空间可以实现旋转连接并实现光信号的双向传输，通过分析该光学结构设计原理和光路计算，发现每组透镜中两个透镜焦距之比为20-50，离轴距离为4-10mm范围时，才能保证光通道之间不发生干扰且信号持续传输。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。