Abstract
A set of the mathematical formulas to estimate the accuracy of discrimination parameters for two implementations of the dual high energy method - by the effective atomic number and by the level lines is given. The hardware parameters which influenced on the accuracy of the discrimination parameters are stated. The recommendations to form the structure of the high energy X-ray radiation impulses are formulated. To prove the applicability of the proposed procedure there were calculated the statistical errors of the discrimination parameters for the cargo inspection system of the Tomsk polytechnic university on base of the portable betatron MIB-9. The comparison of the experimental estimations and the theoretical ones of the discrimination parameter errors was carried out. It proved the practical applicability of the algorithm to estimate the discrimination parameter errors for the dual high energy method.
Highlights
IOP PublishingSeries: Materials Science and Engineering 81 (2015) 012082 doi:10.1088/1757-899X/81/1/012082
The different implementations of digital radiography are widely used for the custom examination and for the flaw detection [1,2,3,4]
The state of the art analysis shows that the estimation task of the discrimination quality of the testing object (TO) material and their constituents for major implementations of the discrimination method by dual high energy method is not solved in corpore
Summary
Series: Materials Science and Engineering 81 (2015) 012082 doi:10.1088/1757-899X/81/1/012082. About accuracy of the discrimination parameter estimation for the dual high-energy method. National Research Tomsk Polytechnic University, Lenin Avenue, 30, Tomsk, 634050, Russia
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