Ground calibration tests of the laser altimeter (LIDAR) for MMX mission

Abstract The spacecraft for the Japanese Martian Moon eXploration mission is equipped with a LIDAR laser altimeter. The slant range continuously measured by the LIDAR is used for the correction of the local topography and the orbit and attitude of the spacecraft. The channel and gain setting of the LIDAR in the proximity phase will be automatically controlled based on the received energy. This paper reports the result of ground-based calibration tests. The calibration function is obtained for each channel and gain settings. Then, the performance test of the auto gain control function is carried out by changing the received energy gradually. This test demonstrates that the automatic gain control system of the LIDAR works well and the obtained slant range and received energy change smoothly.

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Publication Details

Journal
Progress in Earth and Planetary Science
Published
2025-05-15
DOI
https://doi.org/10.1186/s40645-025-00705-7
Primary Topic
Astro and Planetary Science
Type
article
Field-Weighted Citation Impact
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article

Ground calibration tests of the laser altimeter (LIDAR) for MMX mission

Yoshiaki Ishihara, Hiroki Senshu, Yasuyuki Ikuse, S. Sasaki et al.
Progress in Earth and Planetary Science
Astro and Planetary Science
article

Ground calibration tests of the laser altimeter (LIDAR) for MMX mission

Yoshiaki Ishihara, Hiroki Senshu, Yasuyuki Ikuse, S. Sasaki, Kazuhiro Umetani, Kenji Kasai, Takahide Mizuno, Teiji Kase, Hirotomo Noda, Katsunori Mayuzumi, Ryo Suetsugu, Toru Nakura, Akihiro Konishi, Koji Matsumoto, Hirokazu Ikeda
article en

Abstract

Abstract The spacecraft for the Japanese Martian Moon eXploration mission is equipped with a LIDAR laser altimeter. The slant range continuously measured by the LIDAR is used for the correction of the local topography and the orbit and attitude of the spacecraft. The channel and gain setting of the LIDAR in the proximity phase will be automatically controlled based on the received energy. This paper reports the result of ground-based calibration tests. The calibration function is obtained for each channel and gain settings. Then, the performance test of the auto gain control function is carried out by changing the received energy gradually. This test demonstrates that the automatic gain control system of the LIDAR works well and the obtained slant range and received energy change smoothly.

Progress in Earth and Planetary ScienceVol. 12(1)
NEC (Japan) (JP), Tokai University (JP), Chiba University (JP), Okayama University (JP), The Graduate University for Advanced Studies, SOKENDAI (JP), Japan Aerospace Exploration Agency (JP), Fukuoka University (JP), National Institute of Technology, Oshima College (JP), Toneyama National Hospital (JP), Institute of Space and Astronautical Science (JP), National Astronomical Observatory of Japan (JP), Chiba Institute of Technology (JP)
Openalex Percentile: Top 93%
Astro and Planetary Science
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