학술논문
LEO Satellite Time Synchronization Architecture
이용수 5
- 영문명
- 발행기관
- 한국항해항만학회
- 저자명
- Ki-Ho Kwon Day-Young Kim Jong-In Lee Hak-Jung Kim Sang-Jeong Lee
- 간행물 정보
- 『한국항해항만학회 학술대회논문집』2006년도 International Symposium on GPS/GNSS Vol.1, 1~4쪽, 전체 4쪽
- 주제분류
- 공학 > 해양공학
- 파일형태
- 발행일자
- 2006.10.24
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국문 초록
영문 초록
A GPS-based time synchronization technique employing a refined HW circuitry and SW algorithm is considered as fine time-management system for Low Earth Orbit (LEO) remote sensing satellites. By synchronizing the On-Board Time (OBT) within satellites to the GPS 1PPS, a very expensive, highly accurate on-board clock is not required to determine the precise on-board time management. Also, the satellite command generation in ground stations and post- processing of earth observation data which a particular image is acquired. This paper analyses on-orbit verification of the existing satellite time sync architecture and presents a new time sync architecture, operation and relation between the OBT and the GPS time.
목차
1. Introduction
2. Existing Time Sync Architecture
3. Proposed Time Sync Architecture
4. Conclus
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