Updated Calibration Results of PRISM and AVNIR-2 Onboard the Advanced Land Observing Satellite

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This paper describes the updated calibration results of optical instruments onboard the Advanced Land Observing Satellite (ALOS, nicknamed "Daichi"), which was successfully launched on January 24th, 2006 and continuously works very well. ALOS has an L-band Synthetic Aperture Radar called PALSAR and two optical instruments i.e., the Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM) and the Advanced Visible and Near Infrared Radiometer type-2 (AVNIR-2). PRISM consists of three panchromatic radiometers, and is used to derive a digital surface model (DSM) with high spatial resolution that is an objective of the ALOS mission. The geometric calibration is important in generating a precise DSM by stereo pair image of PRISM. AVNIR-2 has four radiometric bands from blue to near infrared and uses for regional environment and disaster monitoring etc. The radiometric calibration is also important for AVNIR-2 as well as PRISM. This paper describes updated accuracies of the standard products of PRISM and AVNIR-2 including methodologies of radiometric-and geometric-calibrations.
特定非営利活動法人　日本ロケット協会の論文