Chunyan LI, Gengpeng LI, Jihong LIU, Dou LUO, Jiayi LIU. Analysis and Research on Spectral Confocal Displacement Measurement Method Based on GRNN[J]. Acta Photonica Sinica, 2022, 51(3): 0330001
- Acta Photonica Sinica
- Vol. 51, Issue 3, 0330001 (2022)
Fig. 1. Schematic diagram of spectral confocal displacement sensor
Fig. 2. Structure diagram of generalized regression neural network
Fig. 3. Original spectrum curve of zero working state of dispersion probe
Fig. 4. Comparison of fitting effect of spectrum curve in zero working state of dispersion probe
Fig. 5. Influence of spread value on peak wavelength extraction at different positions
Fig. 6. Comparison of different data processing models
Fig. 7. Experimental results of resolution of GRNN model with different step length
Fig. 8. Experimental results of stability of GRNN model at different time intervals
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