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The University of Southampton
Engineering

Research project: Medical ultrasound exposure estimation in finite-amplitude beams

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The propagation of high amplitude ultrasonic waves is a nonlinear process resulting in significant distortion of the waves as they propagate. This process introduces a range of problems and makes the calibration of medical ultrasound systems much more difficult.

Project Overview

 

This project aims to investigate a range of improved approaches to the problems of calibrating the fields of diagnostic ultrasound scanners which, due to the nonlinear nature of acoustic propagation, are subject to significant waveform distortion and enhanced attenuation in water. The project has demonstrated the accurate modelling of non-linear propagation for a wide range of pulsed fields, analysed an extensive sample of finite amplitude fields generated by medical arrays in water and tissue and is proposing possible strategies to the measurement problems.

 

Related research groups

Acoustics Group

Staff

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