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<p>In 2021, China’s first Mars rover Zhurong successfully landed on the southern Utopia Planitia (109.925°E, 25.066°N) and began its exploration. The low-frequency channel (15–95 MHz) of Mars Rover Penetrating Radar (RoPeR) has capability to explore the Martian subsurface down to approximately 100 m, making it possible to investigate the past geological activities. Here, we provide a RoPeR low-frequency channel dataset that have undergone pre-processing, partial processing, and complete processing to users and can be directly applied for analysis, interpretation and inversion. The dataset also contains the information of 76 subsurface dipping reflectors that dip toward the northern lowlands at depths of 10–35 m. These reflectors show inclinations ranging from 6° to 20° with an average value of 14.5° and standard deviation of 2.9°. This dataset can promote further research on the formation and evolution of Martian ancient ocean.</p>

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Low-Frequency Data Processing and Characteristics of Tianwen-1 Mars Rover Penetrating Radar

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月13日

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  • Jianhui Li,
  • Zhijie Chen,
  • Xu Meng,
  • Hai Liu,
  • Diwen Duan,
  • Haijing Lu

摘要

In 2021, China’s first Mars rover Zhurong successfully landed on the southern Utopia Planitia (109.925°E, 25.066°N) and began its exploration. The low-frequency channel (15–95 MHz) of Mars Rover Penetrating Radar (RoPeR) has capability to explore the Martian subsurface down to approximately 100 m, making it possible to investigate the past geological activities. Here, we provide a RoPeR low-frequency channel dataset that have undergone pre-processing, partial processing, and complete processing to users and can be directly applied for analysis, interpretation and inversion. The dataset also contains the information of 76 subsurface dipping reflectors that dip toward the northern lowlands at depths of 10–35 m. These reflectors show inclinations ranging from 6° to 20° with an average value of 14.5° and standard deviation of 2.9°. This dataset can promote further research on the formation and evolution of Martian ancient ocean.