Fig. 1. Schematic of particle size measurement based on forward light scattering

Fig. 2. The variation trend of the best fitness value with genetic iteration

Fig. 3. The variation trend of the best fitness value with population scale

Fig. 4. The variation trend of the best fitness with crossover operator

Fig. 5. The variation trend of the best fitness value with mutation operator

Fig. 6. The change trend of curve error H with weight coefficient α

Fig. 7. Results of different particle groups inversed by genetic algorithm

Fig. 8. The curve error H of different particle groups

Fig. 9. Optimized genetic algorithm inversion results of different particle groups under different noise

Fig. 10. Particle size distribution inversed by optimized genetic algorithm of unimodal particle group

Fig. 11. Particle size distribution inversed by optimized genetic algorithm of bimodal particle system