PREFLIGHT CALIBRATION OF HY-1 SATELLITE 4-BAND CCD CAMERA

摘要

HY-1 satellite is China's first ocean observation satellite. HY-1 is equipped with a 10-band IR ocean color scanner and a 4-band CCD camera, which will be launched in late 2001. CCD camera is an important payload on board HY-1. CCD camera has four bands from 420nm to 890nm. Its ground pixel resolution is 250m and scan swath is 500Km. This paper presents the preflight radiometric calibration of HY-1 satellite 4-band CCD camera. The preflight calibration using an integrating sphere and its instruments and the radiometric calibration using the spaceborne calibration unit in the laboratory are described. The results of the calibration are presented and discussed.