电子光栅

将电子光栅投影到被测物或参考面后，使用CCD进行图像采集，并通过视频采集卡将采集的图像数据传到计算机中保存。

As the electrical grating is projected on the measuring object or a reference plane , images can be collected by CCD , and the data of images can be transferred to the computer and be saved by using a video collection card .

基于电子光栅拍频原理的莫尔等高线测量术

Moire Isohypse Surveying Based on Electronic Grating Beat Frequency Principle

实验系统光源采用数字光学投影仪，并用计算机生成电子光栅。

A digital optical projector is used as the optical source , and the electrical grating is generated by computer .

定影是通过加热记录了体全息光栅的晶体使晶体中的离子运动并去补偿记录信息的电子光栅，形成与电子光栅互补的离子光栅；

In fixing stage , the ions in crystals move to form an ionic grating that compensates the electronic grating at elevated temperature .

显影是在室温下用均匀光束照射晶体以擦除掉电子光栅，得到离子光栅。

In developing stage after cooling crystals to room temperature , a homogeneous illumination erases the electronic grating and brings out the ionic grating .

为了解决非连续物体三维面形测量中所存在的非连续相位解包问题，采用计算机生成的两频率之比为一无理数的电子光栅作为空间载频光栅条纹投影到待测物体表面。

In order to overcome the discontinous phase unwrapping problems existing in the shape measurement of the discontinuous objects , the spatial carrier grating fringe pattern produced by the computer of which the ratio of two frequencies is an irrational number , is introduced .

电子雕刻系统光栅图像处理器的研究

Research on a New Raster Image Processor for Electronic Engraving System

也可另选增加电子尺或光栅及显示器，精确显示油缸位移状况，达到所需工作目的。

The electronic ruler or grating ruler and display can be additionally added to precisely display the situation of the oil cylinder displacement so as to complete the undergoing work .

系统由光源、光阑和聚光镜、标尺光栅、显微物镜及CMOS电子目镜组成，光栅图像进入PC机，采用软件进行细分。

Whole system included lamp-house , diaphragm and condenser lens , metrological grating , microscope objective and CMOS image sensor . The grating image transfer to PC by USB , and subdivide it by software .

通过对电子辐射后的光栅样品性能的跟踪测试发现，在辐射结束后，光栅的性能参数得到恢复。

The parameter of FBG was recovery after radiation .

利用流体理论和场匹配的方法导出了分立双电子注激励圆柱光栅的色散方程，并进行了求解。

The dispersion equation of two separated beams in the cylindrical grating is derived and solved .

用费曼的路径积分理论对电子概率波通过光栅所产生的衍射效应进行了定量分析，该方法简便、直观。

In this paper , the grating diffraction of electron probability wave is taken for example , Feynman 's path integral theory is used to analyse quantitatively the electron diffraction state . This method is brief and clear .