Independent dispelacement fields (i. e. field u, v and w) can be obtained through the system with phase shifting technique and image processing.
利用该系统，结合相移技术和图像处理技术，可得到独立的位移场(u,v和w场)。
参考来源 - 期刊学术社区The latter, which is based on the phase measurement of deformed grating projected onto the object surface, includes moiré contouring, phase shifting method, Fourier transform technique, etc. Some typical techniques are reviewed, with emphasis on grating projection phase measurement method.
相位测量法以测量投影到物体上的变形栅像的相位为基础，包括莫尔法、移相法、傅氏变换法等等。
参考来源 - 光学投影式三维轮廓测量技术综述·2,447,543篇论文数据，部分数据来源于NoteExpress
In this paper, the thermal deformation of a plate is measured by Phase shifting laser holography interference.
本文应用相位移激光全息干涉法研究板状结构的热应变。
Unwrapping is an important link to ensure precision phase measuring in phase shifting interference techniques.
相位恢复去包裹技术是相移干涉中的重要环节。
In the case of phase shifting-errors being large, it also can take a few of iteration to enhance measurement accuracy.
如相移误差较大，或者为进一步提高精度，也可进行多次迭代。
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