Changing the phase of digital grating can realize Moire fringe scanning. The global center of beam pattern can be calculated by multi_frame scanning images.
改变该数字光栅的相位,可实现莫尔条纹扫描,用多幅扫描图像可算出光斑图像整体中心。
The virtual grating phase shifting moire fringe is a method to manipulate the static interferogram with carrier fringes.
虚光栅移相莫尔条纹法是一种对静态干涉图的处理方法。
The virtual grating phase shifting moire fringe method is studied to measure the parameters of gauge block which combines the techniques on grating, moire, and phase shifting interferometry.
研究了集光栅技术、莫尔技术、相移干涉术为一体的虚光栅移相莫尔条纹法测量量块的原理及关键技术。
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