• Infrared and Laser Engineering
  • Vol. 53, Issue 7, 20240183 (2024)
Long WANG, Yunfan LEI*, Xinyu ZHANG, Hui ZHANG, and Yanpeng WU
Author Affiliations
  • Beijing Institute of Control Engineering, Beijing 100190, China
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    DOI: 10.3788/IRLA20240183 Cite this Article
    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 Copy Citation Text show less
    The composition and working principle of typical optical imaging equipment on spacecraft
    Fig. 1. The composition and working principle of typical optical imaging equipment on spacecraft
    The geometric relation between object, spacecraft and solar incidence angle
    Fig. 2. The geometric relation between object, spacecraft and solar incidence angle
    The geometrical relationship between target and spacecraft
    Fig. 3. The geometrical relationship between target and spacecraft
    The pitch angle and azimuth angle of the object in the orbital coordinate system of the mission spacecraft
    Fig. 4. The pitch angle and azimuth angle of the object in the orbital coordinate system of the mission spacecraft
    The curve that \begin{document}$\tan (Az)$\end{document} over time of an approaching target
    Fig. 5. The curve that Unknown environment 'document' over time of an approaching target
    The intersection point of two orbits
    Fig. 6. The intersection point of two orbits
    (a) Two tracks of one object in two adjacent observation periods; (b) Two tracks of two objects in two adjacent observation periods
    Fig. 7. (a) Two tracks of one object in two adjacent observation periods; (b) Two tracks of two objects in two adjacent observation periods
    Simulation flowchart of objects approach perception method
    Fig. 8. Simulation flowchart of objects approach perception method
    Energy variation trends of object speckle
    Fig. 9. Energy variation trends of object speckle
    Trend of object pitch And azimuth
    Fig. 10. Trend of object pitch And azimuth
    Inclination/(°)Right ascension of the ascending node/(°)EccentricityArgument of perigee/(°)Mean motion revs/d
    13.9478354.06770.0327.76271.002756831
    Table 1. Orbit parameters of spacecraft in simulation
    Height difference between target and spacecraft/kmOrbit period difference between target and spacecraft revs/dTarget numberPerception accuracyAverage perception time/h
    ±2.8±0.0001100098.5%56.3
    ±5.6±0.00021000100%53.8
    ±8.4±0.0003100099.7%55.0
    ±11.2±0.0004100096.5%54.5
    ±14.0±0.0005100097.2%52.2
    Table 2. Simulation result of objects approach perception method
    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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