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공동주택의 바닥, 벽 차음시공에 따른 바닥충격음 차단성능평가
서민호,김동완,임영빈 대한건축학회지회연합회 2005 대한건축학회지회연합회 학술발표대회논문집 Vol.1 No.1
The aim of this study is suggested effective noise reduction construction about floor and wall structure for impact noise barrier insulation through performance evaluation vertically adjacent household units in apartment housings. Base on the an advance studies and research theory of the impact noise barrier insulation through Korean Industrial Standard(KS F 2810) and measurement in living rooms each 8 household. Measurement data tested by Korean Industrial Standard(KS F 2863) and analyze according to frequency band about light-weight impact sound and heavy-weight impact sound in concrete structures. And compartmentalize into floor structure variation, construction of noise reduction and combine construction and then comparison of capacity standard with a reduction of floor impact sound level standard and L-level.
서민호,양동양 대한건축학회 2005 대한건축학회논문집 Vol.21 No.1
The purposes of this study are to investigate the applicability of concept of 'Dynapolis' by C A Doxiadis, and to examine the dynamic-growth system of urban spatial structure In Seoul for 1987~2002 The analysis of this study draws on the Population and Economic Censuses each year and a number of statistical sources to explore the change about employment, industry location and commuting mobility In Seoul in the period of 1987-2002 The results show that Seoul has had the multiple compound of linear dynamic growth systems of the 1 class(Manufacturing Industry) and 3 class(FIRE and Higher Producer Services) by L Q (Industry Location Quotient) and S C (Specific Centrality Score) using O/D matrix Also, the result "how that the growth and decline of new and old center of linear growth axis in Seoul had been processed continuously through interactions of each influence-field In detail, as the assumption of the adjusted concept of the 'Dynapohs', Seoul has had the diverse growth-axis with industnal specialization In two classifications Guro-Sungdong axis(past and present) and Sungdong-Dongdaemoon-KwangJin axis(present and future) In case of the 1 class(Manufacturing Industry), Chung-gu(or CBD region)-Yongdeungpo-Kangnam axis(past and present) and Kangnam-Yongdeungpo axis(present and future) In case of the 3 class(FIRE and I ligher Producer Services) Finally, the result of this study corresponds to assumed concepts, 'Dynamic-Growth City(or the adjusted concept of the 'Dynapolis')', and the spatial structure of Seoul consists of the multiple compounds of each dynamic growth system as the structural classification of industry
선박자동식별시스템(AIS)과 XML을 이용한 선박위치정보 서비스
서민호,김건웅,Seo, Min-Ho,Kim, Geon-Ung 한국정보통신학회 2011 한국정보통신학회논문지 Vol.15 No.12
AIS(선박자동식별시스템)는 인접한 선박의 정보를 서로 통신하여 해양사고를 예방하거나 대응할 수 있게 해주고, 해상의 다양한 정보를 다른 정보와 융합하여 새로운 정보를 창출할 수 있는 해양 정보시스템의 핵심이라 할 수 있다. 이러한 AIS정보는 많은 잠재적 정보를 담고 있지만, 저장과 관리의 미흡으로 사용하기 쉽지 않고, 또한 정보를 얻기 위해 반드시 AIS 송수신기가 있어야 한다. 본 논문에서는 이러한 AIS와 XML을 이용한 선박위치정보 서비스를 제안한다. 이를 위해 NMEA-0183으로 인코딩된 AIS 정보를 디코딩하여 데이터베이스로 저장하고, 인터넷 상에서 XML을 이용하여 정보를 탐색하는 서비스를 구축하였다. AIS(Automatic Identification System) is a key of maritime information system to prevent maritime accident through communication among any adjacent ship and to establish information base by fusing information collected from ships with other information. The AIS information includes various potential information, but it is not easy to use due to insufficiency storing and management. Furthermore, we need AIS transponders to acquire the information. In this paper, we propose the vessel positional information service using AIS and XML. We decode the AIS information from the NMEA-0183 encoding data and store the AIS information to the database and provide the access service in the internet using XML.