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The theoretical result validates the capability of the lock-in thermography.
理论计算的结果证明了锁相热像法的有效性。
LIU X. Analysis and experiment study on stress of structure based on lock-in thermography [d]. Harbin: Harbin Institute of Technology, 2012.
[3]刘勋。基于红外锁相热像的复合结构件应力分析及其实验研究[D]。哈尔滨：哈尔滨工业大学，2012。
A method, correlation algorithm, was promoted to detect phase information in lock-in thermography nondestructive testing in order to reduce sample images.
为了减少图像序列采集数量，针对相位法红外热成像检测提出了获取热波信号相位信息的方法，即相关检测算法。
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