采用人工智能原理，根据脉冲回波特征，对缺陷作出判断和分析。
Artificial intelligence principles are used to determine and analyse the defects according to pulse echo characteristics.
文中介绍用于高速脉冲回波采集的等效采样模块。
In this paper, a equivalence sampling module for high-speed pulse echo acquisition is introduced.
分析了探头调整时脉冲回波信号的变化特点，在实验的基础上构建了声束入射角与表面波时域特征值间的关系模型。
Using the characteristics of pulse echo singal during the probe adjustment, a relation model between angle of incidence and time-domain eigenvalue of reflect wave signals was proposed.
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