Ming Liu, Wenbo Yang, Delong Liu, Jiannan Sun, Zhe Kang, Zhenwei Li. Pointing correction technology of telescope of mobile tracking station based on star pattern matching deviation calibration[J]. Infrared and Laser Engineering, 2023, 52(5): 20220813
- Infrared and Laser Engineering
- Vol. 52, Issue 5, 20220813 (2023)
Fig. 1. Star deviation calibration model
Fig. 2. (a) Grabbing image; (b) Extraction of measured star centroid
Fig. 3. Extraction of measured star centroid coordinates
Fig. 4. Flow chart of calibration star data conversation
Fig. 5. Schematic diagram of star pattern matching algorithm for deviation calibration
Fig. 6. Flow chart of star pattern matching algorithm for deviation calibration
Fig. 7. (a) Captured image by first frame; (b) Star pattern matching by first frame; (c) Pointing fitting of photocenter direction by first frame
Fig. 8. (a) Captured image by last frame; (b) Star pattern matching by last frame; (c) Pointing fitting of photocenter direction by last frame
Fig. 9. Distribution of pointing residue without corrected
Fig. 10. Distribution of pointing residue after corrected
Fig. 11. (a) Star pattern matching by pointing at Polaris; (b) Pointing fitting of photocenter direction by pointing at Polaris
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Table 1. Related parameters of the telescope
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