我国晨昏轨道气象卫星风云三号E星(FY-3E)上搭载了红外高光谱大气探测仪II型(HIRAS-II),该仪器的高地理定位精度和辐射定标精度是其观测资料定量化应用的关键.采用交叉比对方法,基于同卫星平台搭载的中分辨率光谱成像仪-微光型(MERSI-LL),评估HIRAS-II的地理定位和辐射定标相对偏差.两台仪器的观测数据样本经空间匹配...
By selecting appropriate air-mass predictors through correlation assessment, a two-step bias correction scheme (namely the scan-angle bias correction and the air-mass bias correction) is established in this paper based on radiation observations of FY-3E/ HIRAS-II from 1 to 31...
The H2O ER (DFS) contained in FY-3E/HIRAS-II is 1.51 (0.35) higher than that in FY-3D/HIRAS-I, the O3 ER (DFS) in FY-3E/HIRAS-II is 1.51 (0.36) higher than that in FY-3D/HIRAS-I, while the N2O ER (DFS) in FY-3E/HIRAS-II is 0.17 (0.19) higher and the CH4 ER (DFS...