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강상구(Kang sang gu),정영동(Jung young dong),양영보(Yang young bo) 대한공간정보학회 2006 대한공간정보학회지 Vol.14 No.1
인공위성기술의 비약적인 발전은 각종 공간정보의 취득과 이를 응용하는 다양한 분야에 광범위하게 이용되고 있다. 특히 GPS를 이용한 위치결정은 국가 기준계가 세계좌표계로 전환되는 시점을 맞이하여 더욱 활성화 될 전망이다. 현재 국토지리 정보원에서 발급하는 삼각점에 대한 성과는 신성과와 구성과로 구분하고 있고 2007년부터는 전면 세계좌표계로 전환할 예정에 있다. 현재 제주지역의 삼각점은 최초, 복구 또는 재설한 삼각점 성과 차이로 인해 측량자 들이 그 성과를 이용함에 있어 많은 혼란을 초래하고 있다. 따라서 본 연구는 제주지역의 현행삼각정간 부합관계를 점검하기 위해 1,2등 삼각점을 기준으로 최초 측량 당시의 측지망을 재 구성하여 GPS 관측을 수행하였다. 관측 후 성과분석을 통해 심각점간 부합되는 안정점을 추출하고 제주지역에 적합한 측지기준망을 구축하고 그 활용 기능성을 제시하였다. A rapidly developed satellite technology is used in comprehensive fields such as spatial data aquisition and applications. Especially a GPS positioning is expected to reinvigorate at the national reference system changes to ITRF(International Terrain Reference Frame). Currently the National Geographic Information Institute(NGII) issues a triangulation point coordinate by separating old and new coordinates and in the year of 2007 it will be scheduled to be changed ITRF. The triangulation point coordinate in Cheju area causes some problems due to the difference original observation and re-observation. Thus in this study a GPS observation is conducted after re-organizing geodetic network based on 1st and 2nd order triangulation in order to check the current triangulation points in Cheju area. After the GPS observation data analysis, stable points were extracted, proposed a geodetic network and its application.
정영동,박성규,양영보 조선대학교 국토개발연구소 1995 국토개발연구 Vol.15 No.1
This thesis is concerned with verification of the accuracy of the geographical procedure using results if GPS satellite survey. Errors in longitude and latitude deduced by the procedure have been examined using GPS based survey results in Korea and Japan. A total of 17 sets of data(10 obtained in this study from region near the city of Kwangju and 7 from japanese National Geographical instutite) were analyzed. It turns out that GPS survery is fast and accurate enough to utilize in filed survey. It is however necessary to define local geographical transformation coefficient and construct fine domestic geodetic networks in priori.
지적경계의 복원을 위한 지역별 TS측량에 의한 정확도 분석
조형식,양영보,최한영,정영동 朝鮮大學校 建設技術硏究所 2004 建設技術硏究 Vol.24 No.2
The human history progressed closely related to land. Mankind started land administration as a tool of governance to make land the object of imposing taxation as well as developed the land administration as a concept of securing property rights. People have drawn boundary lines on the ground to from a land parcel according to the usage and/or ownership. Furthermore, the land administration has been developed to a registering system of cadastral records for the public announcement of fixed boundary instead of changeable ground boundary. Currently the citizens demand the provision of accurate and diverse information on the land which is assessed to have high property value encouraged by the korean cadastral registers produced during the land Investigation Project are still practically in use causes land-related disputes and promotes public mistrust because of the changed boundaries by parcel mutation. the expansion and contraction of map sheets and the quality deterioration and damage of map paper, the ultimate resolution is not yet made so far. The distance difference between boundary points are compared and analysed using TS surveying method in the research as a methodology to resolve the boundary inconsistency, the current problem of cadastral records. Consequently, I'd say that the new surveying method of registering the coordinates of real ground boundary has been regarded as more efficient than considering the matter on the map regardless of urban or rural areas.