Integrated Ray Tracing Model for In-Orbit Optical Performance Simulation for GOCI(Advanced Technology-I)

概要

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GOCI (Geostationary Ocean Color Imager) is one of the three COMS payloads that KARI is currently developing and scheduled to be in operation from around 2008. Its primary objective is to monitor the Korean coastal water environmental condition. We report the current progress in development of the integrated optical model as one of the key analysis tools for the GOCI in-orbit performance verification. The model includes the Sun as the emitting light source. The curved Earth surface section of 2500km×2500km including the Korean peninsular is defined as a Lambertian scattering surface consisted of land and sea surfaces. From its geostationary orbit, the GOCI optical system observes the reflected light from the surfaces with varying reflectance representing the changes in its environmental conditions. The optical ray tracing technique was used to demonstrate the GOCI in-orbit performances such as red tide detection. The computational concept, simulation results and its implications to the on-going development of GOCI are presented.
社団法人電子情報通信学会の論文
2006-10-12