Long WANG, Yunfan LEI, Xinyu ZHANG, Hui ZHANG, Yanpeng WU. Angles-only method of space objects approach perception based on optical imaging[J]. Infrared and Laser Engineering, 2024, 53(7): 20240183

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- Infrared and Laser Engineering
- Vol. 53, Issue 7, 20240183 (2024)

Fig. 1. The composition and working principle of typical optical imaging equipment on spacecraft

Fig. 2. The geometric relation between object, spacecraft and solar incidence angle

Fig. 3. The geometrical relationship between target and spacecraft

Fig. 4. The pitch angle and azimuth angle of the object in the orbital coordinate system of the mission spacecraft

Fig. 5. The curve that over time of an approaching target

Fig. 6. The intersection point of two orbits

Fig. 7. (a) Two tracks of one object in two adjacent observation periods; (b) Two tracks of two objects in two adjacent observation periods

Fig. 8. Simulation flowchart of objects approach perception method

Fig. 9. Energy variation trends of object speckle

Fig. 10. Trend of object pitch And azimuth
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Table 1. Orbit parameters of spacecraft in simulation
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Table 2. Simulation result of objects approach perception method

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