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논문 기본 정보

자료유형
학술저널
저자정보
Umit C. Yilmaz (Karadeniz Technical University) Ismail H. Cavdar (Karadeniz Technical University)
저널정보
한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.16 Number.3
발행연도
2015.9
수록면
445 - 450 (6page)

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초록· 키워드

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Generally, Low Earth Orbit (LEO) satellites are used to collect image or video from earth’s surface. The collected data are stored on-board and/or transmitted to the main ground station directly or via polar ground station using terrestrial line. Today, an intersatellite link between a LEO and a GEO satellite allows transmission of the collected data to the main ground station through the GEO satellite. In this study, an approach for a continuous communication starting from LEO through GEO to ground station is proposed by determining the optimum ground station locations. In doing so, diverse ground stations help to determine the GEO orbit as well. Cross-correlation of the long term daily rainfall averages are multiplied with the logarithmic correlation of the sites to calculate the joint correlation of the diverse ground station locations. The minimum values of this joint correlation yield the optimum locations of the ground stations for Q/V-band communication and satellite control operations. Results for several case studies are listed.

목차

Abstract
1. Introduction
2. System description
3. Determination of constraints for ground station locations
4. Determination of ground station location
5. Case study for determination of ground station
6. Conclusion
References

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