New correction method for dynamic error in on-line gamma ray thickness detection

In this paper, we present a new method to correct dynamic error (DE) in on-line gamma ray thickness measurement, which significantly improves measurement precision over traditional method, in most cases, by one order of magnitude. Theoretical analysis of DE is presented and the correction method is...

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Bibliographic Details
Published in:Applied radiation and isotopes 2009-11, Vol.67 (11), p.1974-1976
Main Authors: Liang, Manchun, Yi, Hongchang, Lin, Qian
Format: Article
Language:English
Subjects:
Algorithms
Correction method
Dynamic error
Gamma Cameras
Gamma ray
Gamma Rays
Materials Testing - methods
Scattering, Radiation
Thickness measurement
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Summary:In this paper, we present a new method to correct dynamic error (DE) in on-line gamma ray thickness measurement, which significantly improves measurement precision over traditional method, in most cases, by one order of magnitude. Theoretical analysis of DE is presented and the correction method is proposed. In order to further prove our theory, Monte Carlo simulation is taken and the performance improvement is given. The method has been successfully applied to our thickness measurement system and brought dramatic improvement to its dynamic precision.
ISSN:0969-8043
1872-9800
DOI:10.1016/j.apradiso.2009.07.009