Comparative data processing approaches for thermal wave imaging techniques for non-destructive testing

被引：39
作者：
Ghali V.S. [1 ]
Mulaveesala R. [1 ]
机构：
[1] Electronics and Communication Engineering Research Group, PDPM-Indian Institute of Information Technology Design and Manufacturing, Jabalpur 482005, Dumna Airport Road, Khamaria (p.o.)
来源：
Sensing and Imaging: An International Journal | 2011年 / 12卷 / 1-2期
关键词：
Correlation; Infrared thermography; Non stationary signals Phase images; Non-destructive testing; Pulse compression; Thermal waves;
D O I：
10.1007/s11220-011-0059-0
中图分类号：
学科分类号：
摘要：
Thermal non destructive testing is a whole-field, non-contact and nondestructive inspection method used to reveal the surface or subsurface anomalies in a test sample. This paper describes a novel modelling and simulation technique of a three dimensional pulse compression method for non-stationary thermal imaging. This method requires much lower peak power heat sources than the widely used conventional pulsed thermographic methods (PT and PPT) and requires less time than sinusoidal modulated Lock-in Thermography (LT). In addition, simulation results obtained with the proposed techniques are compared with the conventional phase-based thermal imaging techniques (PPT and LT). © Springer Science+Business Media, LLC 2011.
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页码：15 / 33
页数：18
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