非定常热波成像法无损检测钢样

2015 International Conference on Signal Processing and Communication Engineering Systems Pub Date : 2015-03-12 DOI:10.1109/SPACES.2015.7058212

V. Arora, Ravibabu Mulaveesala, G. Subbarao

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引用次数: 1

摘要

这一贡献展示了非平稳调频热波成像技术在含有随机形状缺陷的低碳钢样品数值表征中的应用。对记录的热剖面进行了基于频域和基于时域的相位分析，并考虑了信噪比，比较了两种方法的可探测性。

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Non-destructive testing of steel sample by non-stationary thermal wave imaging

This contribution demonstrates an application of non-stationary frequency modulated thermal wave imaging technique for the numerical characterization of a mild steel sample containing random shape defects. Frequency and time domain based phase analysis schemes are implemented on the recorded thermal profiles and their detectabilities are compared by taking signal to noise ratio into consideration.

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来源期刊

2015 International Conference on Signal Processing and Communication Engineering Systems

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