A Real-Number Genetic Algorithm for Neutron Spectrum Decomposition with Linear Constraints
A genetic algorithm and linear constraint technology, applied in genetic models and other directions, can solve problems such as ineffective use of initial information and discrete solution space, low accuracy of spectral solution results, and SAND-II iterative algorithm relying on initial spectrum problems, etc. Achieve the effect of preventing local optimal convergence, improving calculation speed, and maintaining population diversity
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[0097] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0098] The flow chart of the steps of the real number genetic algorithm spectrum resolution method in this embodiment is as follows image 3 Shown:
[0099] 1. Irradiate a series of activated foils in the neutron radiation field to be measured. These activated foils are irradiated to induce radioactivity. After the irradiation is over, take out these activated foils, measure their radioactivity, and process to obtain the measured activation rate.
[0100] (is the method's data preparation).
[0101] 2. Determine the solution space range, the upper limit of the solution space range is taken as ub (unit: n cm -2 ·s -1 ), the lower limit of the solution space is taken as lb (unit: n cm -2 ·s -1 ).
[0102] 3. Randomly select N according to a uniform distribution within the scope of the solution space 0 initial spectrum, the initial spectrum...
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