查询词典 reflection grating

The Fresnel diffraction of a O-π phase grating under chirped femtosecond laser pulse illumination is analyzed.

分析了一种0-π相位光栅在啁啾飞秒激光脉冲照射下的菲涅耳衍射。

An equation for calculating the Fresnel diffraction field of a grating under short-pulsed light illumination is derived.

首先导出了光栅在短脉冲激光照射下的菲涅耳衍射光场的方程，利用该方程分析了一个开口比为1：4的光栅的衍射光场。

Our primary products include Welded Wire Mesh, Expanded Metal, Expanded Grating, Field Fence, Wire Mesh Fence, Barbed Wire, Filter Elements and various wire processed products including special welded panels, wire containers, baskets, pet cages and barbecue grill netting. We also deal with gabion box, hexagonal wire netting, chain link fence, crimped mesh, screen mesh and various wire.

本公司主要经营：电焊网、钢板网、钢格板、草原围栏网，护栏网，刺网、过滤器材以及各种异型点焊网片、网筐、网篮、宠物笼、货物周转箱、烧烤网等丝网深加工产品；还兼营：石笼网、六角网、勾花网、轧花网、筛网及各种线材等产品。

And the effects of the geometrical dimensions of the grating on high frequency characteristics of system were analyzed.

并针对矩形栅的两种典型结构进行数值计算，分析了金属栅的几何尺寸对系统高频特性的影响。

S slim Box Grater features four functional grating surfaces without taking up a lot of space in your drawer.

s超薄框刨功能，而无需占用你的抽屉里了大量的空间四大功能光栅表面。

Design of CCD Grating Spectrometer with Refrigeration and Application in Fourier domain OCT .

带制冷的CCD 光栅光谱仪设计及其在频域OCT 中的应用。

Germany APE provides WaveScan wavelength meter is a compact, easy to use, economical scanning grating spectrometer.

德国 APE公司提供WaveScan 波长计是一款结构紧凑、使用方便、经济实用的扫描光栅光谱仪。

Based on the important station of holographic grating in information optic and spectrometer,the theoretical analysis of holographic gratings and a new experimental system of making holographic gratings were presented in this paper.

基于全息光栅在信息光学及光谱仪中的重要地位，对全息光栅进行了理论分析，提出了一种新的制作全息光栅的实验系统。

A portable high speed near-infrared grating spectrometer is designed based on a linear CCD and a USB 2.0 data acquisition system.

设计制作了一种基于线阵CCD和USB 2.0数据采集系统的高速便携式近红外光栅光谱仪。

Experimental results show that the linear algorithm,with high fitting accuracy and low computing complexity,is a suitable solution for wavelength calibration in grating spectrometer.

实测数据表明，线性算法拟合准确度接近最优解，计算复杂度低，是一种最适合于光栅光谱仪波长校准的算法。

"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。