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Level 1 data processing algorithm for ALOS PRISM and AVNIR-2

The Advanced Land Observing Satellite (ALOS) carries an L-band Synthetic Aperture Radar, PALSAR and two optical instruments, PRISM and AVNIR-2. These instruments require high performance processing to generate Level 1 products as well as sophisticated radar processing for PALSAR, precision geometric correction for PRISM and good radiometric calibration for AVNIR-2. The ALOS Level 0 data will be shared and processed by domestic and international partners to enhance its data utilization. NASDA will provide the partners with the Level 1 processing software in order to standardize the products. The Level 1 data processing algorithm developed for PRISM and AVNIR-2 is described.