Jiaxin YU, Haifeng YAO, Zhi LIU, Weihao WANG, Shaoqian TIAN, Zhongyu CAO, Keyan DONG, Shiming GAO, Fan BAI. Extraction method of atmospheric turbulence characteristic parameters for six aperture structure[J]. Infrared and Laser Engineering, 2024, 53(11): 20240322
- Infrared and Laser Engineering
- Vol. 53, Issue 11, 20240322 (2024)
Fig. 1. Schematic diagram of the six-aperture mask device. (a) 3D image; (b) Configuration diagram
Fig. 2. Algorithm process diagram. (a) Original image frame; (b) Image after preprocessing; (c) Image after K -means mean clustering; (d) Image with centroid calibration
Fig. 3. Spot sticking leads to incorrect center of mass identification
Fig. 4. Flowchart of K -means clustering algorithm
Fig. 5. The algorithm identifies the error probability
Fig. 6. Schematic diagram of the experimental system
Fig. 7. Field communication link and transceiver. (a) Geographic location of the transmitter; (b) Propagation link 865 m; (c) Geographic location of the receiver; (d) Transmitter, light source is 532 nm; (e) Receiver, detector is CMOS
Fig. 8. Measurement software design. (a) Software program flow chart ; (b) PC interface
Fig. 9. K -means clustering algorithm and threshold segmentation algorithm measurement comparison
Fig. 10. Daily variation trend of turbulence
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Table 1. Experimental equipment parameters
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