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首页> 外文期刊>Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic >Study on several problems of automatic full-field isoclinic parameter measurement by digital phase shifting photoelasticity
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Study on several problems of automatic full-field isoclinic parameter measurement by digital phase shifting photoelasticity

机译：自动细致研究的几个问题等倾参数测量的数字阶段改变光测弹性学

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摘要

The determination of isoclinic parameter from photoelastic fringe patterns is a key problem in photoelasticity. However, it is not a simple task due to the influence of the isochromatic parameter. The purpose of this paper is to achieve the full-field isoclinic parameter measurement automatically by six-step digital phase shifting photoelasticity. However, there are several key problems, such as the range of the isoclinic parameter, the isoclinic-isochromatic interaction, and the influence of special points such as free corner point, singular point and isotropic point. Through analyzing these problems, we present an appropriate algorithm to get the correct full-field isoclinic parameter automatically which is validated by simulation and experiment. This method is simple and effective to solve the problems of the isoclinic-isochromatic interaction and the isoclinic parameter error around the special points. (C) 2015 Elsevier GmbH. All rights reserved.
机译：等倾参数的测定光弹性条纹模式是一个关键问题光测弹性学。由于等色线的影响参数。实现细致的等倾参数由六步数字自动测量移相光测弹性学。等几个关键问题的范围等倾参数,isoclinic-isochromatic互动,免费的角落等特殊点的影响点,奇异点和各向同性点。通过分析这些问题,我们提出一个合适的算法来得到正确的细致的等倾参数自动通过仿真和实验验证。这种方法是简单而有效的解决的问题isoclinic-isochromatic交互和等倾参数错误在特殊点。GmbH是一家。

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