Satellite lunar observation and analysis

Chunling Lu; Bin Wu; Zhaoguang Bai

doi:10.1117/12.2679536

19 October 2023 Satellite lunar observation and analysis

Chunling Lu, Bin Wu, Zhaoguang Bai

Proceedings Volume 12729, Sensors, Systems, and Next-Generation Satellites XXVII; 1272914 (2023) https://doi.org/10.1117/12.2679536
Event: SPIE Remote Sensing, 2023, Amsterdam, Netherlands

Abstract

This high-resolution satellite is equipped with a push-broom high-resolution camera (PMS) that consists of panchromatic, blue, green, red, and near-infrared bands. The Moon is considered an stable light source, unaffected by atmospheric conditions, making it an ideal reference for absolute and relative radiation calibration of remote sensors. To utilize the Moon for calibration purposes, the satellite implemented two specific imaging modes: lunar push broom for absolute radiation calibration and lunar side-slither for relative radiation calibration. The lunar observations conducted by this satellite in orbit were highly successful. In 2019, the satellite conducted lunar observations at various lunar phase angles, while in 2021 and 2022, observations were specifically conducted during the full moon. These observations yielded many effective full lunar disk images. The stability of the PMS camera was analyzed using the band ratio irradiance method. Analysis of the satellite's four-year lunar observation data revealed a strong correlation between the lunar irradiance measured by PMS and the lunar phase angle. The analysis of the band ratio indicated that the multi-spectral bands are stable. However, the PAN band exhibited a tendency to attenuate, with a decay rate of approximately 0.0086 per year.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Chunling Lu, Bin Wu, and Zhaoguang Bai "Satellite lunar observation and analysis", Proc. SPIE 12729, Sensors, Systems, and Next-Generation Satellites XXVII, 1272914 (19 October 2023); https://doi.org/10.1117/12.2679536

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