查询词典 reflection grating

The grating spectrograph and prism spectrograph were used to observe and analyze the visible spectra of Cu-based alloys.

使用光栅看谱镜和棱镜看谱镜对铜合金可见光谱进行了看谱分析研究，摄制了彩色图谱。

To improve system resolution and image quality, the characteristics of echelle grating spectrography were introduced and a method of fixing and checking for the optical system of the echelle spectrograph was researched.

为提高系统分辨率，保证成像质量，研究了中阶梯光栅光谱仪光学系统的安装及检测方法。

After modular multi-grating spectrometer measurement, the average transmittance in the air is found to be 80%.

用组合式多功能光栅光谱仪测得其在空气中的透光率均在80%以上。

The digital visible spectrum of alloy was studied with grating spectroscope and prism spectroscope based on the computer system.

使用北京锐谱公司研制的计算机分析系统，研究了可见光谱的数字化接收和处理技术，在看谱镜上进行了实用操作。

Company is mainly engaged in laser used to read the first grating, spectroscope, mirrors and filters and other optical components of modern opto-electronics development, production and sales.

公司主要从事激光读取头用的光栅、分光镜、反射镜及滤光片等现代光电子光学元件的研制、生产和销售。

Since the splitting of the spectral lines is extremely small it cannot be detected with a conventional prism or grating spectroscope.

因为光谱线的分裂极其微小，所以它不能被常规的棱镜或者光栅分光镜检测出来。

In this thesis, several kinds of spherical curvature measurement methods are introduced, and the "arch-high and chord-length method" is selected after introduction of the existing methods, and then the novel type of instrument for measuring spherical curvature with the variable ring is developed. In research, the grating sensor, integrated circuits and other new technologies are adopted and integrated. As a result of this, Its specific technical indicator is 0.1um in absolute accuracy, 0.01% in relative accuracy, and 0.001% in repeat accuracy.

本文首先对几种球面曲率半径的测量系统进行了深入的理论分析，在分析了各个测量方法优缺点的基础上，选用了"弓高弦长法"的测量原理，并从理论上推导了本文所述系统的可行性，采用光栅传感器、集成电路等新技术成果，将机械、电子技术、计算机技术以及传感器技术有机结合，研制出一种新型的可变径球面曲率测量仪器。

By taking a plan grating as a beam splitter and a spherical mirror as an imaging objective,the splitting system realizes a spectral plane and a small spectral band(＜42%),which is conductive to the signal receiving by a CCD detector.

分光系统采用平面光栅为分光元件，球面反射镜为成像物镜，实现了平谱面和较小的谱线弯曲(＜42%)，利于CCD探测器接收。

Digital spherometer is a revolution to traditional spherometer. This paper mainly introduces a kind of means about subdivision of grating moire fringe and its device used on digital spherometer system.

数字球径仪是对传统球径仪的革命，本文主要介绍了一种莫尔条纹信号软硬件相结合的细分方法及其装置在数字球径仪的应用。

In the separating-light system, the concave grating is drove by the step-in electrical machine to separate spectrum signal in the range of visible light.

在分光系统中凹面光栅被步进电机驱动在可见光的范围内将光谱信号分离，由于采用了全息凹面光栅作为分光元件省去了准直，聚焦系统，使本系统结构简单，具有体积小等优点。

"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。