( 4 ) under the new environment , realize planar photo elastic stress analysis . based on this , it is easy to realize spatial photo elastic stress analysis . ( 5 ) under the new environment , realize interference fringe image preprocessing ( 4 )在新的软件编程环境下,具体编写及实现了一套二维光弹应力自动分析程序,为三维光弹应力自动分析程序的编写奠定了基础。
Upon the concentration distribution of the ammonia water mixture in liquid bulk during absorption , two analysis methods were established . one is based on optical fundamental theory of the interference fringes phenomenon . the other is based on the calculation of mass transfer equation 一种方法是利用光学基本原理,通过对干涉图像的解析得到液体内部浓度分布;另一种方法是通过对定常和非定常边界条件下的质扩散方程求解,得到液体内部浓度分布。
In this thesis , a method to calibrate a phase - shifting adapter ( psa ) with three piezoelectric ceramics based on the relationship between the displacement of pzt and the slope of interference fringe is proposed to increase the testing precision of phase - shifting interferometer 中文摘要现今高精密度的制造业要求更加准确、精确和迅速的量测学,而相移干涉学正是目前许多工业所倚重的一门量测的学问,相移精度对于相移干涉术之量测,是最可代表样品之可靠度。
In this paper , we summarize the present testing level of optical aspheric surface , expound the principle of laser wavelength scanning interference testing method , and analyze the laser that can be tuned , and we also study the change of wavelength . further more , we achieve the elementary design of experiment device , curtly introduce the method for interference fringe processing and image processing by matlab 本文对目前国内外的光学非球面的测量现状作了概略的叙述,给出了激光波长扫描干涉测试方法的原理,对波长可调谐的激光光源进行了分析,对激光器波长的变化进行了研究,对实验装置进行了初步的设计,对干涉条纹图处理方法进行了研究,并通过编写matlab软件语言对干涉图进行了数字化处理。
In this paper , we summarize the present testing status of optical aspheric surface , expound the principle of laser wavelength scanning interference testing method , and analyze the laser that can be tuned , and we also study the change of wavelength . further more , we achieve the elementary design of experiment device , and curtly introduce the method and principle for interference fringe processing 本文对目前国内外的光学非球面的测量现状作了概略的叙述,给出了激光波长扫描干涉测试方法的原理,对波长可调谐的激光光源进行了分析,对激光器波长的变化进行了研究,对实验装置进行了初步的设计,并对干涉条纹图处理的方法和原理进行了简单的介绍。