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Title: Resonant ultrasound spectroscopy

Abstract

A resonant ultrasound spectroscopy method provides a unique characterization of an object for use in distinguishing similar objects having physical differences greater than a predetermined tolerance. A resonant response spectrum is obtained for a reference object by placing excitation and detection transducers at any accessible location on the object. The spectrum is analyzed to determine the number of resonant response peaks in a predetermined frequency interval. The distribution of the resonance frequencies is then characterized in a manner effective to form a unique signature of the object. In one characterization, a small frequency interval is defined and stepped though the spectrum frequency range. Subsequent objects are similarly characterized where the characterizations serve as signatures effective to distinguish objects that differ from the reference object by more than the predetermined tolerance.

Inventors:
 [1]
  1. Santa Fe, NM
Issue Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM
OSTI Identifier:
868052
Patent Number(s):
5062296
Assignee:
United States of America as represented by Department of Energy (Washington, DC)
DOE Contract Number:  
W-7405-ENG-36
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
resonant; ultrasound; spectroscopy; method; provides; unique; characterization; distinguishing; similar; physical; differences; predetermined; tolerance; response; spectrum; obtained; reference; placing; excitation; detection; transducers; accessible; location; analyzed; determine; peaks; frequency; interval; distribution; resonance; frequencies; characterized; manner; effective; form; signature; defined; stepped; range; subsequent; similarly; characterizations; serve; signatures; distinguish; resonant response; resonant ultrasound; spectroscopy method; frequency range; method provides; predetermined frequency; method provide; predetermined tolerance; response spectrum; ultrasound spectroscopy; frequency interval; accessible location; /73/

Citation Formats

Migliori, Albert. Resonant ultrasound spectroscopy. United States: N. p., 1991. Web.
Migliori, Albert. Resonant ultrasound spectroscopy. United States.
Migliori, Albert. Tue . "Resonant ultrasound spectroscopy". United States. https://www.osti.gov/servlets/purl/868052.
@article{osti_868052,
title = {Resonant ultrasound spectroscopy},
author = {Migliori, Albert},
abstractNote = {A resonant ultrasound spectroscopy method provides a unique characterization of an object for use in distinguishing similar objects having physical differences greater than a predetermined tolerance. A resonant response spectrum is obtained for a reference object by placing excitation and detection transducers at any accessible location on the object. The spectrum is analyzed to determine the number of resonant response peaks in a predetermined frequency interval. The distribution of the resonance frequencies is then characterized in a manner effective to form a unique signature of the object. In one characterization, a small frequency interval is defined and stepped though the spectrum frequency range. Subsequent objects are similarly characterized where the characterizations serve as signatures effective to distinguish objects that differ from the reference object by more than the predetermined tolerance.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1991},
month = {1}
}

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