Time-domain deconvolution to measure reflection functions for discontinuities in waveguides

J. Agulló, S. Cardona, D. H. Keefe

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Abstract

An experimental method to measure the reflection functions for discontinuities in cylindroconical waveguides is presented. It involves a single discontinuity and uses a pulselike incident signal. FIR techniques are used to design the incident signal and signal processing is made in the time domain. Two methods to stabilize the numerical deconvolution are considered, those based on singular value decomposition, and the conjugated gradient method. Results presented are related to taper discontinuities, but the method can be applied to other discontinuities as well.

Original languageEnglish (US)
Pages (from-to)1950-1957
Number of pages8
JournalJournal of the Acoustical Society of America
Volume97
Issue number3
DOIs
StatePublished - Mar 1995

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ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

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