Taking and processing of the dark field diagram of a CCD in astronomy are discussed in this paper.
重点讨论了天文ccd器件暗场图像的拍摄与处理。
In nano-scale, the interfacial layered structures were observed on TEM bright field images (BFI) and dark field images (DFI);
纳观尺度上的TEM明场像和暗场像表明接头界面存在扩散分层现象；
Multiple dark field image can readily be used in revealing the relation between diffraction pattern and bright-and dark-field images.
多重暗场象可以快速揭示衍射花样同明场和暗场象之间的关系。
Three experimental techniques were used: the simple optical probing, the dark field imaging and the visualization of inverse phase velocity surfaces.
所采用的实验方法有简单光探针技术，暗场法以及倒速度图显示等三种。
A lot of submicro copper particles give a golden scattering light with slight pink hue in the dark field of optical microscope and a greyish red colour in visual observation.
无数的亚显微铜粒在暗场显微镜下呈金黄色散射并略带微红色调，肉眼观察则呈灰红色。
An online inspection apparatus of optics damage in large scale laser facility is developed applying dark-field imaging technology. Experiments were carried out on a multi-pass amplifier.
利用暗场成像原理，研制成功一套应用于大型激光装置的光学元件损伤在线检测装置，并在多程放大系统上进行了实验研究。
A new algorithm of nondestructive, automatic and high-speed inspection is proposed for dark-field image to be used to inspect online optic component damage on high power laser system.
基于强激光系统光学元件损伤的在线暗场成像检测，提出了一种无损、自动、快速检测的新算法。
Owing to the combination of bright-field and dark-field receiving image modes, most surface defects of interest are ensured to be effectively detected.
明、暗域相结合的成像模式确保了大部分缺陷的有效检出。
Owing to the combination of bright-field and dark-field receiving image modes, most surface defects of interest are ensured to be effectively detected.
明、暗域相结合的成像模式确保了大部分缺陷的有效检出。
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