The pulse-echo technique is a method used in ultrasonic imaging and non-destructive testing that involves sending an ultrasonic pulse into a material and measuring the time it takes for the echo to return after reflecting off of internal structures or boundaries. This technique is essential for assessing the integrity of materials, detecting flaws, and creating images of internal features without causing damage. By analyzing the received echoes, practitioners can determine properties such as thickness, material type, and the presence of defects.
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