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How to get R-R distribution from free distribution by Winner Laser Particle Size Analyzer?
α is D50, representing the particle size characteristics, and β is D84 as the width parameter of particle size distribution.
The free distribution curve is obtained from a set of original particle size test data, and then the R-R distribution curve is obtained by setting the initial values of α （D50）and β（D84）
The solution of the optimization equation is to minimize the error between the R-R distribution curve and the free distribution curve.
The optimization objective is Fmin = SRR-Sfree
Remarks:
1, α , β are real numbers
2, Fmin: Function Minimum
3. SRR: Area of RR Distribution Curve
4, Sfree: Area of Free Distribution Curve
After iterative operation, the optimal solutions of α and β are obtained, alpha and beta need not to be input.
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