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실시간 시스템 개발을 위한 데이터 처리 시간과 프로세서 사용율 추정 기법
김한동(HanDong Kim),최태봉(TaeBong Choi),고순주(SoonJu Ko) 한국정보과학회 2005 한국정보과학회 학술발표논문집 Vol.32 No.1
The current paper is on a study of the performance estimation for data processing time and CPU utilization to efficiently develop the real-time system. The analytical modeling and OPNET modeling and benchmarking tests are applied to perform the estimation for data processing time and CPU utilization in real-time system. We demonstrate that the estimation results can be predicted fairly and accurately through the benchmarking test results although there is a small variance between the estimation results and the benchmarking test results.
지속가능한 도시평가지표의 적용 가능성 검토 -GCI, EPI, CBI를 중심으로-
윤형두 ( Hyerngdu Yun ),박진영 ( Jinyoung Park ),최태봉 ( Taebong Choi ),최인태 ( Intae Choi ),노태환 ( Taihwan Noh ),한봉호 ( Bongho Han ),김명진 ( Myungjin Kim ) 한국환경영향평가학회 2015 환경영향평가 Vol.24 No.6
This study was intended to develop Korean Environmental Sustainable City Index (ESCI) so that local governments can examine and identify urban environment issues and then come up with a policy to improve the environment and urban biodiversity for cities. Green City Index (GCI), Environmental Performance Index (EPI), and City Biodiversity Index (CBI) which have used worldwide were analyzed. Based on the result of analysis, evaluation indicators of ESCI were finally a total of 20 indicators under four categories, which are native biodiversity, living environment, ecosystem services, and governance and management. Then, five cities with biotope mapping and evaluation index were selected to apply ESCI for evaluation. In order to apply ESCI, local governments need to accumulate basic data. There should be a policy which requires local governments to build data for biotope mapping so that the rate of natural area, ecological network and permeable land surface can be evaluated. Indicators must be applied to be compliant with scale of the city and level of data building gradually.
안경환 ( Kyunghwan Ahn ),임정철 ( Jeongcheol Lim ),이율경 ( Youlkyung Lee ),최태봉 ( Taebong Choi ),이광석 ( Kwangseok Lee ),임명순 ( Myoungsoon Im ),고영호 ( Youngho Go ),서재화 ( Jaehwa Suh ),신영규 ( Youngkyu Shin ),김명진 ( My 한국환경영향평가학회 2016 환경영향평가 Vol.25 No.2
Damyang riverine wetland was designated as a wetland protected area in 2004; that is located in the Yeongsan river mainstream. Total 30 phytosociological releves at field studies were classified with 22 vegetation types including of 101 species (unidentified 1 species). Legends of actual vegetation map were separated by 6 types; riparian forest, substitute vegetation, synanthropic vegetation, wet meadow vegetation, open water, an area of wetland vegetation is about 35 % (386,841.86㎡). Results of this study area as follows. The plant society of Damyang riverine wetland was conjectured that it was formed by rapidly water environment change with installed weir on the upstream of protected area and operating of Damyang dam on top of the basin. Until recently, the terrace land on the river was used to cultivate, but that would be formed fallow vegetation scenery on riverfront caused by no cultivation after designated protected area. Paspalum distichum var. indutum community designated as invasive alien plant by Korea Ministry of Environment was widely developed and Myriophyllum spicatum unrecorded in the country as newly alien species was discovered in the study zone. The plants as lapped over developing environment for Leersia japonica must be occupied habitat of native plant species having similar niche. The various plant society in Damyang riverine wetland should be developed because of environmental changes, disturbances and damages of stream.