{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,13]],"date-time":"2026-01-13T21:57:12Z","timestamp":1768341432634,"version":"3.49.0"},"reference-count":41,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2023,4,4]],"date-time":"2023-04-04T00:00:00Z","timestamp":1680566400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["42275144"],"award-info":[{"award-number":["42275144"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["41871269"],"award-info":[{"award-number":["41871269"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["42175148"],"award-info":[{"award-number":["42175148"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["GJTD-2018-15"],"award-info":[{"award-number":["GJTD-2018-15"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["YZJJ202201-TS"],"award-info":[{"award-number":["YZJJ202201-TS"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"K. C. Wong Education Foundation \u201cInternational Team of Advanced Polarization Remote Sensing Technology and Application\u201d","award":["42275144"],"award-info":[{"award-number":["42275144"]}]},{"name":"K. C. Wong Education Foundation \u201cInternational Team of Advanced Polarization Remote Sensing Technology and Application\u201d","award":["41871269"],"award-info":[{"award-number":["41871269"]}]},{"name":"K. C. Wong Education Foundation \u201cInternational Team of Advanced Polarization Remote Sensing Technology and Application\u201d","award":["42175148"],"award-info":[{"award-number":["42175148"]}]},{"name":"K. C. Wong Education Foundation \u201cInternational Team of Advanced Polarization Remote Sensing Technology and Application\u201d","award":["GJTD-2018-15"],"award-info":[{"award-number":["GJTD-2018-15"]}]},{"name":"K. C. Wong Education Foundation \u201cInternational Team of Advanced Polarization Remote Sensing Technology and Application\u201d","award":["YZJJ202201-TS"],"award-info":[{"award-number":["YZJJ202201-TS"]}]},{"name":"HFIPS Director\u2019s Fund","award":["42275144"],"award-info":[{"award-number":["42275144"]}]},{"name":"HFIPS Director\u2019s Fund","award":["41871269"],"award-info":[{"award-number":["41871269"]}]},{"name":"HFIPS Director\u2019s Fund","award":["42175148"],"award-info":[{"award-number":["42175148"]}]},{"name":"HFIPS Director\u2019s Fund","award":["GJTD-2018-15"],"award-info":[{"award-number":["GJTD-2018-15"]}]},{"name":"HFIPS Director\u2019s Fund","award":["YZJJ202201-TS"],"award-info":[{"award-number":["YZJJ202201-TS"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The Polarization CrossFire (PCF) suite onboard the Chinese GaoFen-5(02) satellite has been sophisticatedly composed by the Particulate Observing Scanning Polarimeter (POSP) and the Directional Polarimetric Camera (DPC). Among them, DPC is a multi-angle sequential measurement polarization imager, while POSP is a cross-track scanning simultaneous polarimeter with corresponding radiometric and polarimetric calibrators, which can theoretically be used for cross comparison and calibration with DPC. After the data preprocessing of these two sensors, we first select local homogeneous cluster scenes by calculating the local variance-to-mean ratio in DPC\u2019s Level 1 product projection grids to reduce the influence of scale differences and geometry misalignment between DPC and POSP. Then, taking the observation results after POSP data quality assurance as the abscissa and taking the DPC observation results under the same wavelength band and geometric conditions as the same ordinate, a two-dimensional radiation\/polarization feature space is established. Results show that the normalized top of the atmosphere (TOA) radiances of DPC and POSP processed data at the nadir are linearly correlated. The normalized TOA radiance root mean square errors (RMSEs) look reasonable in all common bands. The DPC and POSP normalized radiance ratios in different viewing zenith angle ranges at different times reveal the temporal drift of the DPC relative radiation response. The RMSEs, mean absolute errors (MAEs), relative errors (REs), and scatter percentage of DPC degree of linear polarization (DoLP) falling within the expected error (EE = \u00b10.02) of POSP measured DoLP are better than 0.012, 0.009, 0.066, and 91%, respectively.<\/jats:p>","DOI":"10.3390\/rs15071933","type":"journal-article","created":{"date-parts":[[2023,4,4]],"date-time":"2023-04-04T04:09:50Z","timestamp":1680581390000},"page":"1933","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Data Comparison and Cross-Calibration between Level 1 Products of DPC and POSP Onboard the Chinese GaoFen-5(02) Satellite"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5547-7461","authenticated-orcid":false,"given":"Xuefeng","family":"Lei","sequence":"first","affiliation":[{"name":"School of Environmental Science and Optoelectronic Technology, University of Science and Technology of China, Hefei 230026, China"},{"name":"Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5570-8450","authenticated-orcid":false,"given":"Zhenhai","family":"Liu","sequence":"additional","affiliation":[{"name":"Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, China"}]},{"given":"Fei","family":"Tao","sequence":"additional","affiliation":[{"name":"Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, China"}]},{"given":"Hao","family":"Dong","sequence":"additional","affiliation":[{"name":"Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0610-7944","authenticated-orcid":false,"given":"Weizhen","family":"Hou","sequence":"additional","affiliation":[{"name":"State Environmental Protection Key Laboratory of Satellite Remote Sensing, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"}]},{"given":"Guangfeng","family":"Xiang","sequence":"additional","affiliation":[{"name":"Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, China"}]},{"given":"Lili","family":"Qie","sequence":"additional","affiliation":[{"name":"State Environmental Protection Key Laboratory of Satellite Remote Sensing, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"}]},{"given":"Binghuan","family":"Meng","sequence":"additional","affiliation":[{"name":"Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, China"}]},{"given":"Congfei","family":"Li","sequence":"additional","affiliation":[{"name":"Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5393-7548","authenticated-orcid":false,"given":"Feinan","family":"Chen","sequence":"additional","affiliation":[{"name":"Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1847-690X","authenticated-orcid":false,"given":"Yanqing","family":"Xie","sequence":"additional","affiliation":[{"name":"Shanghai Institute of Satellite Engineering, Shanghai 201109, China"}]},{"given":"Miaomiao","family":"Zhang","sequence":"additional","affiliation":[{"name":"Shanghai Institute of Satellite Engineering, Shanghai 201109, China"}]},{"given":"Lanlan","family":"Fan","sequence":"additional","affiliation":[{"name":"China Centre for Resources Satellite Data and Application, Beijing 100094, China"}]},{"given":"Liangxiao","family":"Cheng","sequence":"additional","affiliation":[{"name":"China Centre for Resources Satellite Data and Application, Beijing 100094, China"}]},{"given":"Jin","family":"Hong","sequence":"additional","affiliation":[{"name":"School of Environmental Science and Optoelectronic Technology, University of Science and Technology of China, Hefei 230026, China"},{"name":"Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, China"}]}],"member":"1968","published-online":{"date-parts":[[2023,4,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"474","DOI":"10.1016\/j.jqsrt.2018.11.024","article-title":"Polarimetric remote sensing of atmospheric aerosols: Instruments, methodologies, results, and 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