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The development processes and the application achievements of space-borne microwave sounder pre-launch calibration technologies in China are introduced briefly.Then,the general project plan for pre-launch calibration,the latest research achievements on the optimization and development of the microwave wide band calibration targets,emissivity measurement technologies and the system level uncertainty analysis of the laboratory,and the thermal/vacuum microwave sounder calibration system for “FY-3” meteorological satellite are reported,respectively.Finally,the key technological problems of the calibration technologies under researching are analyzed predictively.
The development processes and the application achievements of space-borne microwave sounder pre-launch calibration technologies in China are now briefly.Then, the general project plan for pre-launch calibration, the latest research achievements on the optimization and development of the microwave wide band calibration targets, emissivity measurement technologies and the system level uncertainty analysis of the laboratory, and the thermal / vacuum microwave sounder calibration system for “FY-3” meteorological satellite are reported, respectively. Finally, the key technological problems of the calibration technologies under researching are analyzed predictively.