Rong Zhao, Kewei Pan, Bin Yang, Li Ping, Xiaoshu Cai. Synchronous Measurement Method of Trans-Micron Scale Mixed Particle Size[J]. Acta Optica Sinica, 2020, 40(7): 0712001
- Acta Optica Sinica
- Vol. 40, Issue 7, 0712001 (2020)
Fig. 1. Structural diagram of measurement system
Fig. 2. Schematic of extinction measurement
Fig. 3. Schematic of particle two-phase flow measurement by image method
Fig. 4. Typical signal extinction spectra
Fig. 5. Inverse results of particle size distribution by typical signal extinction method. (a) Single 900 nm standard particle sample solution; (b) mixed 900 nm + 51 μm standard particle sample solution
Fig. 6. Typical image preprocessing. (a) Filtered and de-noised image; (b) grayscale normalized image; (c) background homogenized image; (d) binarized image
Fig. 7. Measurement results of particle size distribution by typical signal image method
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Table 1. Particle size measurement results and relative errors
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