{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T01:12:38Z","timestamp":1760231558233,"version":"build-2065373602"},"reference-count":18,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2022,9,21]],"date-time":"2022-09-21T00:00:00Z","timestamp":1663718400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"2019 Zhuhai Introduction of Innovation and Entrepreneurship Team","award":["ZH0405-1900-01PWC","ID. E0Z206010F","ID. 2022128","2220004000003","ID. 59166"],"award-info":[{"award-number":["ZH0405-1900-01PWC","ID. E0Z206010F","ID. 2022128","2220004000003","ID. 59166"]}]},{"name":"Key project of Aerospace Information Research Institute, Chinese Academy of Sciences","award":["ZH0405-1900-01PWC","ID. E0Z206010F","ID. 2022128","2220004000003","ID. 59166"],"award-info":[{"award-number":["ZH0405-1900-01PWC","ID. E0Z206010F","ID. 2022128","2220004000003","ID. 59166"]}]},{"name":"Youth Innovation Promotion Association, Chinese Academy of Sciences","award":["ZH0405-1900-01PWC","ID. E0Z206010F","ID. 2022128","2220004000003","ID. 59166"],"award-info":[{"award-number":["ZH0405-1900-01PWC","ID. E0Z206010F","ID. 2022128","2220004000003","ID. 59166"]}]},{"name":"Zhuhai Social Development Field in Science and Technology Plan Project","award":["ZH0405-1900-01PWC","ID. E0Z206010F","ID. 2022128","2220004000003","ID. 59166"],"award-info":[{"award-number":["ZH0405-1900-01PWC","ID. E0Z206010F","ID. 2022128","2220004000003","ID. 59166"]}]},{"name":"Dragon 5 ESA-MOST Cooperation","award":["ZH0405-1900-01PWC","ID. E0Z206010F","ID. 2022128","2220004000003","ID. 59166"],"award-info":[{"award-number":["ZH0405-1900-01PWC","ID. E0Z206010F","ID. 2022128","2220004000003","ID. 59166"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The stability and accuracy of the on-orbit radiometric calibration of hyperspectral sensors are prerequisites for the quantitative application of satellite hyperspectral data. The Zhuhai-1 micro-nano satellite constellation is composed of eight hyperspectral satellite missions. The Orbita Hyperspectral Sensor (OHS) on board each satellite has a gradient filter spectroscopic design. When observing the Earth, eight integration stages can be set for each band according to different lighting conditions. Due to high manufacturing costs, OHSs are not equipped with on-board calibration devices. Therefore, it is very difficult to accurately calibrate OHSs for all of the integration stages. On the other hand, it is extremely important to ensure radiometric consistency between different OHSs within the Zhuhai-1 micro-nano satellite constellation. To carry out the rapid radiometric calibration of the Zhuhai-1 constellation, an on-orbit radiometric calibration model considering all of the integration stages related to hyperspectral sensors was built based on the BOA reflectance and atmosphere parameters published by the Committee on Earth Observation Satellites (CEOS) radiometric calibration network (RadCalNet). The RadCalNet product was used to derive the TOA radiance base in the Second Simulation of the Satellite Signal in the Solar Spectrum (6S) radiative transfer (RT) model. In this paper, we analyzed the radiometric stability of the same sensor and the consistency of different calibration results regarding four RadCalNet sites, and the on-orbit radiometric performance evaluation of OHSs was also carried out. The data retrieved from OHSs regarding hyperspectral surface reflectance were preliminarily validated using site-synchronous surface reflectance measurements.<\/jats:p>","DOI":"10.3390\/rs14194720","type":"journal-article","created":{"date-parts":[[2022,9,22]],"date-time":"2022-09-22T23:07:55Z","timestamp":1663888075000},"page":"4720","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["On-Orbit Radiometric Calibration of Hyperspectral Sensors on Board Micro-Nano Satellite Constellation Based on RadCalNet Data"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9854-170X","authenticated-orcid":false,"given":"Qiang","family":"Zhang","sequence":"first","affiliation":[{"name":"Zhuhai Orbita Aerospace Science & Technology Co., Ltd., Zhuhai 519080, China"}]},{"given":"Yongguang","family":"Zhao","sequence":"additional","affiliation":[{"name":"Key Laboratory of Quantitative Remote Sensing Information Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1961-3176","authenticated-orcid":false,"given":"Lei","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Traffic Information and Control Engineering, Tongji University, Shanghai 200092, China"}]},{"given":"Jiaqi","family":"Wu","sequence":"additional","affiliation":[{"name":"Zhuhai Orbita Aerospace Science & Technology Co., Ltd., Zhuhai 519080, China"}]},{"given":"Wan","family":"Li","sequence":"additional","affiliation":[{"name":"Key Laboratory of Quantitative Remote Sensing Information Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2099-7162","authenticated-orcid":false,"given":"Jun","family":"Yan","sequence":"additional","affiliation":[{"name":"Zhuhai Orbita Aerospace Science & Technology Co., Ltd., Zhuhai 519080, China"}]},{"given":"Xiaohua","family":"Jiang","sequence":"additional","affiliation":[{"name":"Zhuhai Orbita Aerospace Science & Technology Co., Ltd., Zhuhai 519080, China"}]},{"given":"Zhiyu","family":"Yan","sequence":"additional","affiliation":[{"name":"Zhuhai Orbita Aerospace Science & Technology Co., Ltd., Zhuhai 519080, China"}]},{"given":"Jing","family":"Zhao","sequence":"additional","affiliation":[{"name":"Beijing GreenValley Technology Co., Ltd., Beijing 100085, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,9,21]]},"reference":[{"key":"ref_1","unstructured":"Wei, W. 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