경향성 분석 기반의 위성탑재 영상레이다 원격 측정 데이터 축소 기법

다국어 초록 (Multilingual Abstract)

SAR(Synthetic Aperture Radar) is a equipment that acquire ground image scene using radar signal. After launch, it is only possible to check SAR Payload health status based on telemetry data transmitted to ground station. In the previous systems, only dedicated telemetries with corse resolution are transmitted because of insufficient memory size and link access time. In this paper, we propose novel algorithm of the SAR telemetry reduction based on trend analysis. We analyze acquired telemetry value trend and make a structure based on this information. Our algorithm makes over 50% data size reduction result based on SAR telemetry data in nominal operation of dawn-dusk low earth orbit. Reduction data has advantage to store size and data transmission time and ground station an restore and check whole acquired telemetry data.

참고문헌 (Reference)

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