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- W2314895018 abstract "본 논문은 3D 위치 정보를 산출하기 위한 기압고도계 및 기준국을 이용한 절대 고도 측정 정확도 향상에 관한 연구이다. GPS와 같은 위성 항법 시스템이 신뢰성이 있는 절대 고도를 제공하지 못하는 점과 기압 고도계가 변화하는 대기압의 특성상 절대 고도 정보를 제공하지 못한다는 문제점을 인식하고, 이를 개선하기 위해 새로운 기법을 제안하였다. 제안된 기법을 검증하기 위해 RTK를 활용한 기준국을 지정하고 시중에 판매하는 압력 센서 및 EVK 단말기를 활용하였으며, 실내 외에서의 사람의 이동으로 인한 고도 변화 실험과 차량을 이용한 이동 실험을 통해 검증하였다. 이 논문의 결과는 기준국을 이용하는 기존의 2D 측위 시스템을 간단히 3D 측위 시스템으로 확장할 수 있는 저가 솔루션을 제공할 수 있음을 보였다. The topic of this paper is the advanced absolute altitude determination for 3-D positioning using barometric altimeter and the reference station. Barometric altimeter does not provide absolute altitude because atmosphere pressure always varies over the time and geographical location. Also, since Global Navigation Satellites system such as GPS, GLONASS has geometric error, the altitude information is not available. It is the reason why we suggested the new method to improve the altitude accuracy. This paper shows 3-D positioning algorithm using absolute altitude determination method and evaluates the algorithm by real field tests. We used an accurate altitude from RTK system in Seoul as a reference data and acquired the differential value of pressure data between a reference station and a mobile station equipped in low cost barometric altimeter. In addition, the performance and advantage of the proposed method was evaluated by 3-D experiment analysis of PNS and CNS. We expect that the proposed method can expand 2-D positioning system 3-D position determination system simply and this 3-D position determination technique can be very useful for the workers in the field of fire-fighting and construction." @default.
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- W2314895018 date "2015-01-30" @default.
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- W2314895018 title "Absolute Altitude Determination for 3-D Indoor and Outdoor Positioning Using Reference Station" @default.
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- W2314895018 doi "https://doi.org/10.7840/kics.2015.40.1.165" @default.
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