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An active lidar detector for range-gated imaging is employed on geostationary satellites to suppress the image noise caused by backscattered light by controlling the on and off times of the receiving system cameras. This approach ensures that the imaging is less affected by environmental factors for distant targets. For the active illumination light pulse, although the instantaneous energy is high, the pulse is narrow, the average power is low, and the overall energy consumption and weight of the system can be well controlled. This is an effective method that is especially suitable for geostationary satellites to perform ground and sea detection.

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Application of Geostationary Satellite Based Range-Gated Lidar Imaging in Weak Target Detection

  • 会议论文

  • 发表日期：

    2025年

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  • Zhuoyi Chen,
  • Hezhi Sun,
  • Xianghao Kong,
  • Zhiwei Zhao,
  • Chenglun Wang

摘要

An active lidar detector for range-gated imaging is employed on geostationary satellites to suppress the image noise caused by backscattered light by controlling the on and off times of the receiving system cameras. This approach ensures that the imaging is less affected by environmental factors for distant targets. For the active illumination light pulse, although the instantaneous energy is high, the pulse is narrow, the average power is low, and the overall energy consumption and weight of the system can be well controlled. This is an effective method that is especially suitable for geostationary satellites to perform ground and sea detection.