07MR2400, Development of Global Navigation Satellite System Ground Station and Search And Rescue Beacon Technologies,
Lee Sang Uk
Abstract
도심지에서는 지형지물 및 건물 등에 의한 영향으로 가시위성 확보가 어려워지게 되며, 이는 사용자 위치결정 및 정확도에 영향을 미친다. 본 논문에서는 3D GIS 수치지도를 이용하여 서울 도심의 특정 지역을 3D 모델로 생성하는 기법에 대해 기술하고, 직선-폴리곤 충돌검사 알고리즘을 적용한 도심지에서의 가시위성 분석 기법 개발 및 필드 실험을 통한 검증을 수행하였다. 도심의 3D 모델을 이용하여 GPS/갈릴레오 단독 수신과 동시 수신의 경우에 대한 가시성을 DOP (Dilution of Precision)관점에서 분석하였다.
KSP Keywords
3D GIS, Dilution of Precision
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