Fast nuclide recognition method based on feature transformation and neural network
A neural network and feature transformation technology, applied in the field of nuclide identification, can solve the problems of long training time, large number of input layers, high computer performance requirements, and achieve the effect of fast response speed and low radiation and noise interference.
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[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.
[0027] As shown in the figure, a fast nuclide identification method based on feature transformation and neural network of the present invention is characterized in that it comprises the following steps:
[0028] Step 1: Measure natural background spectrum and radionuclide spectrum by gamma detector;
[0029] Step 2: Use the filtering algorithm to smooth the natural background spectrum to obtain the standard background spectrum; use the filtering algorithm to smooth the radionuclide spectrum to obtain the standard radionuclide spectrum; since the measured energy spectrum contains the effect of noise, especially However, the natural background energy spectrum has strong statistical fluctuations, so filtering technolog...
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