公开(公告)号：US20190204142A1

公开(公告)日：2019-07-04

申请号：US16322800

申请日：2017-08-01

Applicant: TTP PLC

Inventor： Timothy John Palmer ,  Edward Leigh Bean ,  David Roger Tegerdine

IPC: G01H3/00 ,  G01H11/06

CPC classification number: G01H3/00 ,  G01H11/06 ,  G01V1/18 ,  G01V3/02 ,  G01V11/00

Abstract: Method for producing an electrical impedance tomographic image of an acoustic field within a fluid, comprising the steps of: a) positioning a plurality of electrodes within a fluid; b) applying an electrical signal to each electrode within a first subset of electrodes, wherein the electrical signal applied to each electrode has a different carrier frequency and/or phase; c) measuring the electrical potential at each electrode within a second subset of electrodes, wherein the electrical potential is measured using a potential divider or a Wheatstone bridge; and d) processing the measured data to provide an acoustic map of the acoustic field at the required acoustic frequencies. There is also provided a system for producing an electrical impedance tomographic image of an acoustic field within a fluid using this method.