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Availability evaluation model for space-based optical aerial target detection system

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Abstract

For space-based optical detection systems, there is usually a difference between actual on-orbit operational performance and designed requirements based on fixed scenarios. To assess the availability of space-based optical detection systems in different backgrounds, the radiation characteristics of aerial targets have been simulated using body radiation and atmospheric transmission models. The background radiation characteristics were also statistically analyzed. Then, for the parameters of the fixed space-based optical detection system, the signal-to-clutter and availability were evaluated under different conditions. A linear relationship between the radiation intensity and the flight height of the target was obtained. For a space-based optical detection system, the analytical availability model was constructed. Finally, multiple groups of data under different simulation conditions were used to validate the universality and reliability of the model. This availability model could significantly reduce the time required to predict the availability of the space-based optical detection system. The model was also adopted to analyze the influence of flight height, mean and variance, and background clutter on the space-based optical detection availability.

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Authors and Affiliations

  1. Beijing Institute of Tracking and Telecommunication Technology, Beijing, 100094, China

    Jiaqing Zhao, Lei Zhang, Xiang Ding, Zhongchao Xu & Shiwei Fan

  2. Shanghai Aerospace Electronic Technology Research Institute, Shanghai, 201109, China

    Jiaqing Zhao

  3. Beihang University, Beijing, 100191, China

    Jiaqing Zhao & Rongke Liu

Authors
  1. Jiaqing Zhao
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  2. Lei Zhang
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  3. Xiang Ding
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  4. Zhongchao Xu
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  5. Shiwei Fan
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  6. Rongke Liu
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Correspondence to Jiaqing Zhao.

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The authors declare no conflict of interest.

Additional information

This work has been supported by the National Natural Science Foundation of China (No.62004122).

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Zhao, J., Zhang, L., Ding, X. et al. Availability evaluation model for space-based optical aerial target detection system. Optoelectron. Lett. 19, 599–604 (2023). https://doi.org/10.1007/s11801-023-3038-5

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  • DOI: https://doi.org/10.1007/s11801-023-3038-5

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