| 电子剪切散斑干涉技术时间相移法在金属梁微小位移测量中的应用分析 |
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| 引用本文： | 郑柱.电子剪切散斑干涉技术时间相移法在金属梁微小位移测量中的应用分析[J].科技广场,2011(5). |
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| 作者姓名： | 郑柱 |
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| 作者单位： | 广东纺织职业技术学院,广东佛山,528041 |
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| 摘 要： | 电子剪切散斑的图像稳定,对测量环境的要求低,可用于现场的无损检测。本文介绍了散斑干涉测量的原理与电子剪切散斑干涉时间相移法,并应用此方法对金属梁的位移场进行测量。
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| 关 键 词： | 电子剪切散斑 相移 测量 |
Temporal Phase-shift Method of ESSPI Used and Analyzed in Micro-displacement Measurement of Metal Bar |
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| Zheng Zhu.Temporal Phase-shift Method of ESSPI Used and Analyzed in Micro-displacement Measurement of Metal Bar[J].Science Mosaic,2011(5). |
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| Authors: | Zheng Zhu |
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| Institution: | Zheng Zhu(Guangdong Textile Polytechnic,Guangdong Foshan 528041) |
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| Abstract: | The method of ESSPI is usually applied in NDT/NDI(non-destroyed test/inspection) on the scene for its steady patten and low environmental requirements.The principle of the theory of these measuring methods and the temporal phase-shift method of ESSPI are introduced in this paper.And the temporal Phase-shifting method is analyzed and used to measure the field of displacement of metal bar. |
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| Keywords: | ESSPI Phase-shift Measure |
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