Nonlinear signal transformation in thickness gauging with multiple ionizing-radiation detectors
Journal Article
·
· Sov. J. Nondestr. Test. (Engl. Transl.); (United States)
OSTI ID:6359002
A maximum signal-to-noise ratio criterion has been established for the conversion of information weights for summed signals in a multidetector device for thickness gauging on sheet materials using a beam of monoenergetic photons with a given attenuation coefficient and a set of detectors with a given configuration. The source field in the detector zone is taken as uniform in the absence of the absorber. A secant transformation is used in the source use factor. The advantage of this optimal conversion is estimated. In using the multidetector system in sheet material gauging to obtain corrections for composition variations the source requirement is either a nuclide with a compound photon spectrum or a set of nuclides such as Am 241 and Co 57.
- Research Organization:
- Flaw Detection Research Institute, Tomsk (USSR)
- OSTI ID:
- 6359002
- Journal Information:
- Sov. J. Nondestr. Test. (Engl. Transl.); (United States), Journal Name: Sov. J. Nondestr. Test. (Engl. Transl.); (United States) Vol. 23:10; ISSN SJNTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420500 -- Engineering-- Materials Testing
440101* -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
AMERICIUM 241
AMERICIUM ISOTOPES
BETA DECAY RADIOISOTOPES
COBALT 57
COBALT ISOTOPES
CONFIGURATION
DAYS LIVING RADIOISOTOPES
DIMENSIONS
ELECTRON CAPTURE RADIOISOTOPES
ELEMENTARY PARTICLES
FUNCTIONS
HEAVY NUCLEI
INTERMEDIATE MASS NUCLEI
ISOTOPES
MASSLESS PARTICLES
MATERIALS TESTING
MEASURING INSTRUMENTS
NONDESTRUCTIVE TESTING
NONLINEAR PROBLEMS
NUCLEI
ODD-EVEN NUCLEI
PHOTONS
RADIATION ATTENUATION TESTING
RADIOISOTOPES
RADIOMETRIC GAGES
SHEETS
SIGNAL-TO-NOISE RATIO
SIGNALS
TESTING
THICKNESS
THICKNESS GAGES
TRANSFORMATIONS
WEIGHTING FUNCTIONS
YEARS LIVING RADIOISOTOPES
420500 -- Engineering-- Materials Testing
440101* -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
AMERICIUM 241
AMERICIUM ISOTOPES
BETA DECAY RADIOISOTOPES
COBALT 57
COBALT ISOTOPES
CONFIGURATION
DAYS LIVING RADIOISOTOPES
DIMENSIONS
ELECTRON CAPTURE RADIOISOTOPES
ELEMENTARY PARTICLES
FUNCTIONS
HEAVY NUCLEI
INTERMEDIATE MASS NUCLEI
ISOTOPES
MASSLESS PARTICLES
MATERIALS TESTING
MEASURING INSTRUMENTS
NONDESTRUCTIVE TESTING
NONLINEAR PROBLEMS
NUCLEI
ODD-EVEN NUCLEI
PHOTONS
RADIATION ATTENUATION TESTING
RADIOISOTOPES
RADIOMETRIC GAGES
SHEETS
SIGNAL-TO-NOISE RATIO
SIGNALS
TESTING
THICKNESS
THICKNESS GAGES
TRANSFORMATIONS
WEIGHTING FUNCTIONS
YEARS LIVING RADIOISOTOPES