DOI: https://doi.org/10.26089/NumMet.v19r213

Inverse problems of sounding pulse formation in ultrasound tomography: mathematical modeling and experiments

Authors

  • A.V. Goncharsky
  • S.Yu. Romanov
  • S.Yu. Seryozhnikov

Keywords:

ultrasound tomography
waveform tomography
inverse problems
supercomputing technologies
regularizing algorithms

Abstract

This paper is concerned with developing the methods of forming acoustic sounding pulses in ultrasound tomography applications. The inverse problem of forming acoustic sounding pulses is considered in the framework of linear models. This problem is ill-posed and requires the use of regularizing algorithms. Tikhonov’s regularization scheme is used to solve the problem numerically. The developed algorithms are tested on model problems as well as on experimental data. In the experimental setup, the acoustic path includes a digital waveform generator, an amplifier, an ultrasound emitter, a hydrophone with a preamplifier, and an analog-digital converter. The applicability of the linear model and the efficiency of the proposed algorithms are substantiated experimentally.

New computational technologies

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Published

2018-04-09

Issue

Vol. 19 (2018): Issue 2.

Section

Section 1. Numerical methods and applications

Author Biographies

A.V. Goncharsky

Lomonosov Moscow State University
• Head of Laboratory

S.Yu. Romanov

Lomonosov Moscow State University
• Leading Researcher

S.Yu. Seryozhnikov

Lomonosov Moscow State University
• Electronic

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