Guided Wave Focusing Imaging Detection of Pipelines by Piezoelectric Sensor Array

Table 3

Stainless steel pipe material parameters.

Parameter name	Set value
Number of elements	16
Distance between the centers of adjacent elements	27.5 mm
Single element width	3.5 mm
Element center frequency	108 kHz
Sampling rate	50 MHz
Imaging length	1500 mm
Imaging width	440 mm