查询词典 reflection grating

The body having a grating element (2) comprising a surface of revolution about the axis of rotation.

机体具有光栅元件(2)，光栅元件(2)包括围绕旋转轴的旋转表面。

In most cases, to design a dielectric subwavelength grating polarizing beam splitter requires multilayer structure to improve diffraction efficiency.

在以介电质次波长光栅来设计并制作极化分光器的文献中，大多需要以多层次波长介电质光栅的结构来提升分光的效率。

Holographic diffraction grating acts as a beam splitter,and an off-axis holography system is formed.

提出一种消除数字离轴全息零级像的实验方法。

In this paper,using numerical solution method of vector diffraction theory,we discuss the dependence of reflectivity upon structural parameters of subwavelength grating,particularly upon substrate thickness.It can be used as the basis for design and fabrication of binary optical element with proper antireflection property.

文摘：利用矢量衍射理论的数值求解方法，研究了亚波长光栅结构参数对反射率的影响，特别是基底厚度对反射率的影响，这些为设计和制作具有优良的抗反射性能的二元光学元件提供了设计依据。

In this paper, a 3D object measurement system based on binocular grating structured light measurement techniques is presented.

本文提出的结构光三维测量系统是一种光栅式结构光扫描双目视觉测量技术。

A rotatable biprism is introduced in phase mask technique to change the inscribed Bragg of grating.

将一种可旋转的双棱镜引入到相位掩模技术中以改变光栅的写入Bragg波长。

Pulse measurement ; grating eliminated no-nosense observation of ultrafast laser light E-fields ; Fresnel biprism ; full-width at half-maximum ; femtosecond beams

脉冲测量；单发频率分辨光学开关；菲涅尔双棱镜；半高全宽；飞秒激光

Pressure and temperature properties of fiber grating bourdon tube pressure sensor［J］.

光纤光栅弹簧管压力传感器的压力和温度特性［J］。

In this paper, principle and technique of volume holographic storage are presented such as volume grating formation, Bragg diffraction, and horizontal angle selectivity.

本论文介绍了体全息存储原理及技术，包括体光栅的形成和布拉格衍射、衍射效率、水平角度选择性，还介绍了相干光学信息处理系统、Vander Lugt 滤波器的形成过程，给出了多重匹配滤波器相关的运算过程，最后介绍了子波变换的定义以及光学子波变换。

The impact of the thickness of volume H-PDLC grating on the wavelength selectivity of Bragg diffraction are simulated numerically, as well as the theoretic relationships among the refractive index modulation, spatial frequency and the H-PDLC diffraction efficiency.

计算机模拟了体光栅厚度对于布拉格衍射波长选择性的影响，以及折射率调制深度、空间频率和H-PDLC光栅衍射效率的关系。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。