Method of data reduction for accurate determination of acoustic backscatter coefficients

Ernest L. Madsen, Michael F. Insana, James A. Zagzebski

Research output: Contribution to journalArticlepeer-review


The authors show that the backscatter coefficient can be derived from experimental data without making such approximations. The cases of narrow-band and broadband pulses are treated, and the method is applicable whatever the distance between the interrogated volume of scatterers and the transducer face. It is shown that, for a given pulse form, the gate duration must be sufficiently long in order to attain a specified accuracy for the measured backscatter coefficient. A test of the method was done using a phantom with well-defined scattering properties. Very good agreement was found between measured values of backscatter coefficients and those calculated using a first-principles theory.

Original languageEnglish (US)
Pages (from-to)913-923
Number of pages11
JournalJournal of the Acoustical Society of America
Issue number3
StatePublished - Sep 1984
Externally publishedYes

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics


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