查询词典 reflection grating

Utilizing the symmetry of the output of the light produced from the slab target, this method is concise and can simply give the result by comparing the intensity of the beams received by flat-field grating spectrometer.

这种方法避免了测量入射光以及出射光的绝对强度，减少了测量过程中的被测量，因而测量的误差也随之降低。

This paper reviewed the application development of spectrometers in color measurement. The trend of its development was described. The spectrometer with rotating grating and scaning structure have been replaced by another type which has no moving parts and uses CCD array for detecting. Miniature fiber optical spectrometer has many advantages as a new type of the on-line instruments.

本文回顾了光谱仪器在颜色测量领域的应用进展，阐述了其发展趋势，即旋转光栅扫描结构的光谱仪已被全固定构件CCD阵列检测的光谱仪取代，微小型光纤光谱仪成为一种新型的在线测量仪器，具有许多优点。

TheX-ray images and spectra obtained using Chandra's High EnergyTransmission Grating Spectrometer show that a strong wind is beingdriven away from the center of NGC 1068 at a rate of about a millionmiles per hour.

X -射线图像和光谱获得使用钱德拉的高能透射光栅光谱仪显示，强风被赶出1068星系中心的距离大约在1万英里每小时的速度。

The X-ray images and spectra obtained usingChandra's High Energy Transmission Grating Spectrometer show that astrong wind is being driven away from the center of NGC 1068 at a rateof about a million miles per hour.

通过钱德拉的高能传送光栅光度计所获得的 X 射线图像和光谱显示一股强风被正从 NGC 中心以每小时一百万英里的速度喷射而出。

Compacted with typical spectrometers as Ebert-Fastie spectrometer, Czerny-Turner spectrometer and Aberration corrected concave holographic grating spectrometer, we are going to do detail research especially on their working theory, structural parameters and function, such as the source of stray light, the analysis of signal to noise ratio, the placing of detector, aberration's theory, aberration's caculation and it's elimination.

结合比较典型的Ebert-Fastie型光谱仪、Czerny-Turner型光谱仪及凹面像差校正全息光栅光谱仪进行了详细分析，尤其对它们的工作原理、结构参数和性能指标进行了深入分析，如杂散光的来源、信噪比的分析及其改善方法、探测器的置放、像差理论、像差计算及其消除的办法。

A banknote recognition photoelectric system based on grating spectrometer was developed, in which aphotomultiplier tube was used as a detector and a computer sampling interface was designed by VC++ language.

以光栅光谱仪为基础，光电倍增管作为探测器，运用VC++语言设计了计算机采样界面，形成了荧光光谱分析的钞票识别光电系统。

It acquired the interference signal of He-Ne laser whose wavelength is 632.8nm by this FMI. Fourier Transform algorithm is used to calculate the spectrum. The difference between the spectrum acquired by our experiment and by traditional grating spectrometer are also analyzed which can present helpful reference to develop FFTS further.

使用该干涉仪测量了632.8nm He-Ne激光光源的干涉信号，采用傅里叶变换算法计算了其光谱图，并与传统光栅光谱仪测量的光谱图进行了比较，分析了两者存在的差异及其原因，为FFTS的后续研制工作提供了有益参考。

When studying laser wavelength identification technique, depending on a concrete optical configure, a new wavelength measurement technique using grating spectrometer and CCD imaging system was studied on by theoretic analysis and principle experiment. The study result shows that this new technique is prone to be realized and has high practical value compared with current wavelength measurement technique.

在对波长信息识别技术进行研究时，结合一种具体的光学系统结构，通过理论分析和原理实验对一种利用光栅分光仪结合角测量系统测量激光波长的新技术进行了研究，研究结果表明该技术同目前已有的相干测量技术相比，在技术上易于实现，使用价值更高。

In the dispersion linearity aspect,the grating spectrometer are linear,but the nonlinear problem of shortwave for the prism spectrometer can be solved through a composite-prism.

此外，光栅光谱仪的色散基本为线性，但棱镜光谱仪的短波非线性问题可通过复合棱镜进行补偿，而且，棱镜光谱仪的可靠性好于光栅光谱仪。

Laser plasma X-ray emission studies using an imaging transmission grating spectrometer.

X射线透射光栅谱仪用于激光等离子体辐射特性的研究Ⅰ。

"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。