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Network RTK-VRS측량 성과의 공공측량 적용 가능성 분석
오정국(Oh, Jung Guk),엄대용(Um, Dae Yong) 한국지적정보학회 2012 한국지적정보학회 학술발표대회 논문집 Vol.2012 No.12
최근 국토지리정보원은 전국에 상시관측소와 발달된 통신장비를 이용하여 Network RTK-VRS 서비스를 제공하고 있으며, 이를 통해 사용자들은 1인 측량 체계로 짧은 시간동안 취득한 자료의 처리를 통해 실시간으로 위치정보를 획득할 수 있게 되었다. 그러나 실제 Network RTK-VRS측량은 GPS신호의 수신상태와 통신서비스의 상태에 따라 특정 정확도가 저하되거나 그 정확성과 안정성에 대해서는 여전히 많은 문제점을 내포하고 있으며, 이와 관련된 연구는 한정된 실험대상 지역에 국한되어 검증이 이루어지는 실정이다. 이에 본 연구에서는 Network RTK-VRS측량성과를 통합기준점의 고시좌표와 비교하여 정확도를 검토하였으며, 작업환경에 따른 정확도를 분석하여 정확도의 향상을 위한 작업방법과 현황측량 가능지역을 분석하여 도출하고자 하였다. 연구결과, Network RTK-VRS성과가 공공측량에의 적용 가능성 및 현황측량에 적용되기 위한 정확도를 확보할 수 있음을 확인할 수 있었으며, 정확도의 확보를 위한 작업방법 및 작업환경을 도출할 수 있었다. 본 연구의 결과는 Network RTK-VRS 측량성과를 공공측량에 적용하기 위한 작업규정 및 세부지침의 마련을 위한 기초자료로서 활용될 수 있을 것으로 판단된다. Recent National Geographic Information Institute, a nationwide Network RTK-VRS CORS and using advanced communications equipment and services, and thereby the user through the processing of the data acquired for a short period of time, one measurement system to real-time location informationobtained was able to However, the actual Network RTK-VRS measurement degrade measurement accuracy or receiving status of GPS signal and, depending on the state of telecommunications services for the accuracy and reliability still involve many issues and related research area is limited to the limited experimental verification takes place. Integrated reference point coordinates and the Notice of Network RTK-VRS Surveying. In this study, how to work with for improving the accuracy of Surveying Available in analysis has been suggested by. Public surveying the applicability of the Network RTK-VRS performance that can be applied to ensure the accuracy and Surveying was to determine, for ensuring the accuracy, how to work, and the work environment could be derived. Believe the results of this study can be utilized as a basis for Network RTK-VRS Surveying apply for work regulations and the preparation of detailed guidelines.
오정국(Oh Jeong-guk) 중앙어문학회 2002 語文論集 Vol.30 No.-
This article has researched the aspect of poetic change in the poetry of Kim Chunsu focusing on the specific persons, ‘Cheoyong’ and ‘Lee Jungsub' who are his poetic objects. Kim Chunsu adapted these persons as poetic motifs and also subjects because of the unique epic these people have. Kim Chunsu raised the issue of evil and ethics through his poem 「Cheoyong」. Kim Chunsu thought of Cheoyong as ‘a poetic ego’ which exposed ‘a stoic humor’. He noticed two conflicting situations Cheoyong was facing. The situations showed contrast ‘before Cheoyong's seeing four legs’ and ‘after seeing them’. The world, before his witnessing the adultery of his wife and the bad spirit, was ‘a peaceful world' where he used to hang around ‘under the bright moonlight of Seorabeol', and the world was connected with ‘the careless world under the sea' before Cheoyong ascended onto land. Paralleling ‘this careless world under the sea' with ‘his childhood', the age of non-violence world, which was not violated by the force of ‘history'. Kim Chunsu began to write a series of poems, ‘the literary fragment of Cheoyong’. He transformed group epic in the previous language group into individual epic. 「The literary fragment of Cheoyong 1」 described the mythological world which couldn't split the subject and the object, human and nature using the childhood of the poetic narrator. In contrast, after losing sea, the mythological space, Cheoyong ascended into the human world in 「The literary fragment of Cheoyong part 2」. Cheoyong in this part was magical incarnation of the poet himself who experienced ‘evil' with the name of history and who sang querulously desperate reality of the poet himself. Finally, the writer, Kim Chunsu reflected his own individual epic in the two contrasting items which 'Cheoyong' in 「Cheoyong」 had faced. These items are appeared with two separated world, ‘violence from the force of history / stoic escape', ‘wounded grown-up / pure childhood', ‘the world separated from the object / the world without dividing the object and the subject', ‘realistic world / myth world'. Kim Chunsu began to write 「Lee Jungsub」, because he felt a lyric impulse to the epic which Lee Jungsub's life had. He was much more interested in Lee Jungsub's unhappy life than Lee Jungsub's artistic talent. The basic axes of epic which the poem, 「Lee Jung sub」 shows are ‘the ideal artistic spirit' and ‘contemptible reality'. These two items are shown, contrasting the space ‘land' and ‘Seogyipo' in the first part and are transformed into a mental, safe place(Pyongyang, space) and wandering place(Chungmu, Daegu, Busan). The group of persons are separated with ‘family'(wife, children) and ‘I', and the lines in the poem are contrasted and transformed; ‘The wind blows / the wind doesn't blow’, ‘putting the sea on the head / there is no sea’, ‘the wife has gone / the wife has cone' and so on. Kim Chunsu showed himself with narcissistic attitude who was sacrificed by the history and evil wearing the ‘mask' of Cheoyong in his poem 「Cheoyong」. He showed more objectively the contemptible reality, the reality of the human beings which are contrasted with ‘ideal art' in the poem 「Lee Jungsub」. The contemptible reality of a human being contrasted with the ideal art is appeared in poems 「Jesus」 and is enlarged with the question about universal reality, it became the stepping stone role to the poems 「Dostoievski」 which are dealt with the problems about the consciousness of sin and evil the contemptible human being have committed. Kim Chunsu began to think about the proposition of epistemology, asking himself ‘Why am I lingering here?’ through ‘Cheoyong' and ‘Lee Jungsub'. And he gradually enlarged his poetic world from ‘individual reality' to ‘the universal, realistic problem of human beings'. Therefore ‘Cheoyong' and ‘Lee Jungsub' became another person of epistemology of the poet Kim Chunsu, as well became the subject of the conversation opening his new
오환섭(Hwan-Sup Oh),오정국(Jeong-Kug Oh),박준건(Joon-Gun Park),박경식(Kyung-Sik Park) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.6_2
In this study, behavior of fracture and crack under tensile and torsion test is shown. Fracture behavior of friction welded dissimilar materials is closely realated with direction of friction welding especially in the case of torsion test. Neking on yield point in other friction welding condetion for tension test is shown. It is observed that fracture is occurred by crack growth and joining not occurred by combination of void.<br/>