查询词典 prism

In this thesis, the various property of LC is studied. The feasibility of using the LC cell as phase-shifter in the DSSPI is analyzed by theory. The new phase-shifting and shearing theory based on LC and Wollaston prism is developed.

本文对液晶的特性进行了深入研究，充分利用其电光效应，把它和渥拉斯顿棱镜结合成一体化系统，提出了一套基于液晶体和渥拉斯顿棱镜的相移错位理论。

On entering Wollaston prism lidar backscattering light divides into o-ray and e-ray, which polarization is affected by voltage of Pocksels cell, transmission rate of optical system can be modulated by voltage because of correlation between transmission rate of optical system and polarization direction of light.

激光雷达的后向散射光经Wollastom棱镜分成o光和e光，它们的偏振状态受到Pocksels盒上的电压大小的控制，而整个系统的光学透光与偏振光的偏振角度相关，从而使得系统透过率受到电压的控制。

The variance of the polarization state is measured with the Wollaston prism and the error is eliminated for the dual channel.

其中双平衡结构利用Wollaston棱镜检测偏转角，并用双路输出消除探测器误差带来的影响，可使分辨率提高到0.1°。

In one of these styles, the input light is linearly polarized having an angle of 45° with respect to the birefringence axis of the fiber, and the Wollaston prism is parallel to the birefringence axis.

基于法拉第磁光效应，研究在光纤拍长磁光调制法测试系统中，对于给定的磁隙宽度和磁场强度，起偏方式与检偏方式对拍长测试灵敏度的影响。

In dual-frequency laser interference measuring system Wollaston prism is an indispensable and important device,which can separate the incident beam in to measurement beam and reference beam according to the polarization direction of dual-frequency laser,so as to realize the high accuracy measurement.

在双频激光干涉测量系统中，Wollaston棱镜是不可缺少的重要光学元件，它可将双频激光按偏振方向分为测量光和参考光，从而实现高精度测量；但是，如果Wollaston棱镜的安装方位相对入射光线方向以及与聚焦透镜距离不同时，测量结果将会不同。

Because two shearing object beams travel in the same direction when Wollaston prism is used as image-shearing device in traditional speckle shearing interferometry.

在沃拉斯顿棱镜作为剪切器件的传统剪切散斑干涉术中，由于错位的二物光束同光路传播，很难通过将它们分开来引入附加相位的方法实现相移。

An electronically scanned interferometer based on a wollaston prism with a step delay line and a CCD array was used as a decoding unit.

使用一个带步进延迟线的沃拉斯顿棱镜的电扫描仪和一个 CCD阵列作为一个译码单元，设计了一个译码干涉系统与带非零组差的温度补偿压力传感器，并对温度补偿法以及串-并混合结构进行了阐

In the other style, the input light is circularly polarized and the Wollaston prism is parallel to the birefringence axis.

通过理论分析发现，除了目前通常采用的线偏振光沿光纤双折射主轴注入结合渥拉斯顿棱镜45°检偏的测试方式之外，另有两种测试方式也可以得到最大灵敏度，一种是线偏振光45°注入结合渥拉斯顿棱镜沿轴检偏，另一种是圆偏振光注入结合渥拉斯顿棱镜沿轴检偏。

In this paper, several methods are put forward, by which axial resolution of scan microscope could be improved. One is that detecting method of ordinary laser feedback is improved, the orthogonal polarized lights split by Wollaston prism are detected separately, comparing to the ordinary feedback, the axial resolution is improved about 2.9 times.

提出并实验研究了几种可以提高激光反馈扫描显微镜轴向分辨率的方法，一种方法是对常规激光反馈实验中的探测技术进行了改进，用渥拉斯顿棱镜把垂直偏振光分开探测，轴向分辨率可以提高约 2 9倍；另一种方法是用双频激光器中产生的偏振态相互垂直的o光和e光作为反馈光代替了传统的单一光的反馈，轴向分辨率被提高了约 2倍；第三种方法是用双频激光器中产生的o光或e光作为反馈光，轴向分辨率可以提高约 2 5倍。

The structural geometry,kinematics and density structure of the Taiwan accretionary prism were studied based on the interpretation of a multi-channel seismic profile obtained during a "973" survey.

通过对南海973航次在该区域的多道地震剖面的解释，对该增生楔进行了构造单元的划分，并分析了变形特征。

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