Abstract
본 논문에서는 향후 많은 항법위성이 생길 경우 통합시스템 방식을 사용할 시 원하는 위성을 선택함으로서 고의적인 재밍에 대한 대책 및 위치정보의 정밀도 향상 측면에서 매우 유용할 것으로 판단되어 GPS와 GLONASS의 통합시스템 구축 시 정밀도의 근간을 이루는 DOP 향상에 대하여 연구하였다. 데이터 분석결과 단독 GPS 사용 시 보다 통합 위성항법 시스템이 0.3 ~ 0.8 정도의 GDOP, 0.2 ~ 0.6 정도의 PDOP와 0.1 ~ 0.3 정도의 TDOP의 향상된 정보를 얻을 수 있었다. In this paper, the DOP improvement was studied for the solution to an intentional jamming and the increase of position accuracy by selecting preferred satellites with hybrid satellite navigation system(both GPS and GLONASS). As a result of data analysis, the increases in 0.3 ~ 0.8 GDOP, 0.2 ~ 0.6 PDOP, and 0.1 ~0.3 TDOP were acquired by using hybrid satellite navigation system instead of GPS-only.
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