Prediction of side-drilled hole signals captured by a linear phased arrays with steering and focusing beams

摘要

A completed ultrasonic measurement model for the phased array system is developed by combining a nonparaxial multi-Gaussian beam model. This provided measurement model can be used to predict the response of a side-drilled hole over a wide range of steering angles. And a reference setup is also presented to determine the system efficiency factor of the phased array system. Furthermore, the accuracy of this provided model will be certified by comparing with the experimental testing.