Abstract
과학기술위성 3호 대용량 메모리를 SEU로부터 보호하기 위해서 4비트 심볼을 이용하는 RS(10,8) 코드를 개발 하였다. 따라서 32비트 데이터에 대해서 8비트의 페리티를 추가 하였으며 1 심볼에 대해서 에러를 복구할 수 있다. 또한 우리별 3호의 결과를 이용하여 예상되는 SEU 발생률과 스크럽 주기를 계산하였다. 이 결과를 바탕으로 한국원자력 의학원에 있는 Cyclotron 양성자 가속기를 이용하여 SEU 시험을 수행 하였다. RS(10,8) Code by 4-bit symbol was developed to protect the mass memory of STSAT-3 from SEU in orbit. Therefore, one symbol can be corrected for 32-bit data with 8-bit parity configuration. Moreover, scrubbing period and SEU occurrence rate was calculated based on the KITSAT-3 result. A prediction of SEU rates was performed based on the ground experiment results with a proton accelerator in the KIRAMS(Korea Institute of Radiological Medical Sciences).
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