{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T13:35:59Z","timestamp":1784295359944,"version":"3.55.0"},"reference-count":27,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2022,7,4]],"date-time":"2022-07-04T00:00:00Z","timestamp":1656892800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Key R&amp;D Program of China","award":["2018YFB0504800"],"award-info":[{"award-number":["2018YFB0504800"]}]},{"name":"National Key R&amp;D Program of China","award":["2018YFB0504802"],"award-info":[{"award-number":["2018YFB0504802"]}]},{"name":"National Key R&amp;D Program of China","award":["2018YFB0504700"],"award-info":[{"award-number":["2018YFB0504700"]}]},{"name":"National Key R&amp;D Program of China","award":["2018YFB0504703"],"award-info":[{"award-number":["2018YFB0504703"]}]},{"name":"National Key R&amp;D Program of China","award":["FY-APP-2021.0507"],"award-info":[{"award-number":["FY-APP-2021.0507"]}]},{"name":"National Key R&amp;D Program of China","award":["2018YFB0504800"],"award-info":[{"award-number":["2018YFB0504800"]}]},{"name":"National Key R&amp;D Program of China","award":["2018YFB0504802"],"award-info":[{"award-number":["2018YFB0504802"]}]},{"name":"National Key R&amp;D Program of China","award":["2018YFB0504700"],"award-info":[{"award-number":["2018YFB0504700"]}]},{"name":"National Key R&amp;D Program of China","award":["2018YFB0504703"],"award-info":[{"award-number":["2018YFB0504703"]}]},{"name":"National Key R&amp;D Program of China","award":["FY-APP-2021.0507"],"award-info":[{"award-number":["FY-APP-2021.0507"]}]},{"name":"Fengyun Satellite Application Pilot Project","award":["2018YFB0504800"],"award-info":[{"award-number":["2018YFB0504800"]}]},{"name":"Fengyun Satellite Application Pilot Project","award":["2018YFB0504802"],"award-info":[{"award-number":["2018YFB0504802"]}]},{"name":"Fengyun Satellite Application Pilot Project","award":["2018YFB0504700"],"award-info":[{"award-number":["2018YFB0504700"]}]},{"name":"Fengyun Satellite Application Pilot Project","award":["2018YFB0504703"],"award-info":[{"award-number":["2018YFB0504703"]}]},{"name":"Fengyun Satellite Application Pilot Project","award":["FY-APP-2021.0507"],"award-info":[{"award-number":["FY-APP-2021.0507"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Before infrared hyperspectral data are used in satellite data assimilation systems or retrieval systems, the quantitative analysis of data deviation is necessary. Based on RTTOV\u2019s (Radiative Transfer for TOVS) simulation data of FY-3E\/HIRAS-II (Hyperspectral Infrared Atmospheric Sounder) and the observation data of HIRAS-II, we counted the bias of observation minus simulation (OMB) during an on-orbit test; analyzed the characteristics and reasons for the bias from the perspective of the FOV (field of view), the scanning angle of the instrument, the day and night, and the target temperature change; and analyzed the stability of the radiometric calibration accuracy. We also combined the results of the MetOp-C\/IASI (infrared atmospheric sounding interferometer), a similar high-precision instrument, with the bias of OMB to compare and evaluate the FY-3E\/HIRAS-II radiometric calibration accuracy. In the end, we found that the mean OMB bias of the long-wave and medium-wave infrared bands is within \u00b12 K, and the bias standard deviation is better than 2 K; the bias of each FOV is consistent and the bias of most channels is better than 2 K. The OMB bias of each channel is consistent with the changes in the angle of the instrument. The bias trend of long-wave and medium-wave infrared channels is more consistent with the deviation of the day and night; the bias of the short-wave infrared channel at night is lower than in the daytime. When counting the bias as the target temperature changed, the results showed that there are no obvious temperature dependencies in the long-wave and medium-wave infrared channels. This reflects that the instrument\u2019s non-linear effect is well ordered. We further evaluated the stability of the radiometric calibration accuracy through statistics from the OMB standard deviation of each channel of FY-3E\/HIRAS-II. Most channel accuracy stability values were better than 0.1 K. We calculated that IASI and HIRAS-II OMB have double differences, and the results show that the double difference in most channels is better than 1 K. It shows that the HIRAS-II and IASI observations are highly consistent. Through the statistics of the OMB bias during the on-orbit test period of FY-3E\/HIRAS-II, we fully evaluated its radiometric calibration accuracy and laid the foundation for FY-3E\/HIRAS-II data to be used in the retrieval application and assimilation system.<\/jats:p>","DOI":"10.3390\/rs14133222","type":"journal-article","created":{"date-parts":[[2022,7,4]],"date-time":"2022-07-04T20:59:18Z","timestamp":1656968358000},"page":"3222","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Evaluation of FY-3E\/HIRAS-II Radiometric Calibration Accuracy Based on OMB Analysis"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7931-9759","authenticated-orcid":false,"given":"Chunming","family":"Zhang","sequence":"first","affiliation":[{"name":"Key Laboratory of Infrared System Detection and Imaging Technologies, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China"},{"name":"University of Chinese Academy of Sciences, Beijing 100049, China"},{"name":"Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chengli","family":"Qi","sequence":"additional","affiliation":[{"name":"National Satellite Meteorological Center, China Meteorological Administration, Beijing 100081, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tianhang","family":"Yang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Infrared System Detection and Imaging Technologies, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China"},{"name":"Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mingjian","family":"Gu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Infrared System Detection and Imaging Technologies, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China"},{"name":"Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Panxiang","family":"Zhang","sequence":"additional","affiliation":[{"name":"National Satellite Meteorological Center, China Meteorological Administration, Beijing 100081, China"},{"name":"Beijing Huayun ShineTek Technologies Co., Ltd., China Meteorological Administration, Beijing 100081, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3665-1556","authenticated-orcid":false,"given":"Lu","family":"Lee","sequence":"additional","affiliation":[{"name":"National Satellite Meteorological Center, China Meteorological Administration, Beijing 100081, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mengzhen","family":"Xie","sequence":"additional","affiliation":[{"name":"Key Laboratory of Infrared System Detection and Imaging Technologies, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China"},{"name":"University of Chinese Academy of Sciences, Beijing 100049, China"},{"name":"Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiuqing","family":"Hu","sequence":"additional","affiliation":[{"name":"National Satellite Meteorological Center, China Meteorological Administration, Beijing 100081, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,7,4]]},"reference":[{"key":"ref_1","first-page":"1869","article-title":"On-Orbit Response Variation Analysis of FY-3 MERSI Reflective Solar Bands Based on Dunhuang Site Calibration","volume":"32","author":"Sun","year":"2012","journal-title":"J. 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