Pengfei WU, Huiliang WANG, Sichen LEI, Shuai DANG. Research on Spot Center Localization Algorithm in Atmospheric Turbulence Environment[J]. Acta Photonica Sinica, 2022, 51(3): 0301002
- Acta Photonica Sinica
- Vol. 51, Issue 3, 0301002 (2022)
Fig. 1. Principles of image detection algorithm flow chart
Fig. 2. Diagram of spot sliding compensation positioning
Fig. 3. Phase screen simulation of atmospheric turbulence
Fig. 4. Simulate the spot of Gaussian beam passing through the turbulent phase screen of different intensities
Fig. 5. Positioning spacing between four algorithms in different intensity Gaussian noise
Fig. 6. Pixel intensity of spot image mask based on four positioning algorithms under different intensity gaussian noise
Fig. 7. Laser communication link
Fig. 8. 10.2 km communication link
Fig. 9. 2.4 km communication link
Fig. 10. Actual spot image captured in 10.2 km experiment
Fig. 11. Intensity of the pixels in mask from 10.2 km spot image under different algorithms
Fig. 12. Location distance between 10.2 km spot images based on different algorithms
Fig. 13. Actual spot image captured in 2.4 km experiment
Fig. 14. Intensity of the pixels in mask from 2.4 km spot image under different algorithms
Fig. 15. Location distance between 2.4 km spot images based on different algorithms
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Table 1. Offsets of registration point from standard center under different algorithms/pixel
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Table 2. Effect analysis of spot processing
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Table 3. Effect analysis of 10.2 km spot processing
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Table 4. Effect analysis of 2.4 km spot processing
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