Volume 14 Issue 3
Jun.  2025
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GUO Yulin, HU Yihua, FANG Jiajie, et al. Research status and development trend of LiDAR super-resolution imaging technology[J]. Journal of Radars, 2025, 14(3): 501–527. doi: 10.12000/JR25028
Citation: GUO Yulin, HU Yihua, FANG Jiajie, et al. Research status and development trend of LiDAR super-resolution imaging technology[J]. Journal of Radars, 2025, 14(3): 501–527. doi: 10.12000/JR25028
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Research Status and Development Trend of LiDAR Super-resolution Imaging Technology

DOI: 10.12000/JR25028 CSTR: 32380.14.JR25028
  • 1.

    Advanced Laser Technology Laboratory of Anhui Province, National University of Defense Technology, Hefei 230037, China

  • 2.

    Anhui Province Key Laboratory of Electronic Restriction, National University of Defense Technology, Hefei 230037, China

  • 3.

    Information Security Research Center, Hefei Comprehensive National Science Center, Hefei 230037, China

  • 4.

    Hangzhou Institute for Advanced Study, School of Physics and Optoclectronic Engincering, Hangzhou 310024, China

Funds:  The National Natural Science Foundation of China (61871389), The Scientific Research Project of National University of Defense Technology (24-ZZCX-JDZ-43, 22-ZZCX-07), The Youth Independent Innovation Science Fundation Project of National University of Defense Technology (ZK23-45)
More Information
  • Corresponding author: HU Yihua, skl_hyh@163.com; ZHANG Xinyuan, skl_zxy@163.com
  • Received Date: 2025-02-14
  • Rev Recd Date: 2025-05-09
    • Available Online: 2025-05-22
  • Publish Date: 2025-05-29
    Abstract
  • With the expansion of China’s space interests and the growth in the scale of on-orbit assets, high-precision detection of dark and weak targets in noncooperative space has become the core bottleneck in space security defense and debris removal. Traditional optical or radar detection technologies are limited by diffraction limit and signal-to-noise ratio constraints, and the detection and identification accuracy of “fast, far, small, and dark” targets is insufficient. Light Detection and Ranging (LiDAR), with its high precision and anti-jamming advantages, has gradually become the core technical means of accurately detecting space targets. Technologies such as sub-pixel scanning, synthetic aperture, and reflective tomography enable long-range super-resolution imaging by breaking through the physical limitations of conventional LiDAR systems. This paper begins by summarizing and sorting the critical problems associated with LiDAR super-resolution technology. The key technological research progress is then reported, typical experimental systems and experimental results are analyzed, and the characteristics, advantages, and shortcomings of each system are described with respect to requirements of space exploration, remote sensing, and mapping missions. Finally, the application prospects and development trends are presented.

     

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