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ATM 망에서의 버퍼 할당에 따른 Leaky Bucket 알고리즘의 성능 분석
이은주,오창석 ( Eun Ju Lee,Chang Suk Oh ) 충북대학교 산업과학기술연구소 1995 산업과학기술연구 논문집 Vol.9 No.2
Abstract_Roman In this paper, we analyzed the performance of the leaky bucket algorithm according to the buffer assignment in ATM network. To evaluate the performance of it, exact input traffic model is needed. Poisson process is used as an input traffic
Evidence of Periostitis in Joseon Dynasty Skeletons
Yi-Suk Kim(김이석),Deog Kyeom Kim(김덕겸),Chang Seok Oh(오창석),Myeung Ju Kim(김명주),Hye-Ri Kim(김혜리),Dong Hoon Shin(신동훈) 대한체질인류학회 2013 해부·생물인류학 (Anat Biol Anthropol) Vol.26 No.2
뼈막염은 고고학 유골에서 가장 흔히 발견되는 질병 중의 하나이며, 유골의 생전 건강상태를 가늠할 수 있게 해주는 중요한 생물학적 지표이다. 조선시대 뼈모음을 조사한 결과, 총 101명의 뼈대 중 5명의 뼈대(#4, #29, #137, #175, #290)에서 기저질환이나 손상을 보지 못하는 일차뼈막염이 발견되었다. 한편, 매독에 속발된 뼈막염을 관찰할 수 없었는데 향후 뼈모음의 수가 늘어난다면 이 부분에 대한 중요한 고병리학적 발견을 기대할 수 있을 것으로 생각하였다. 이상으로 조선시대 고인골에서 발견된 뼈막염을 처음으로 보고하게 되었으며, 앞으로 다양한 고병리학적 소견에 대한 형태학적 연구를 진행할 예정이다. Periostitis is one of the human diseases commonly encountered in archaeological samples. It is known to be an important health indicator for paleopathologists examining skeletal remains. In our recent study on a Joseon skeletal series (n=101), non-specific, primary periostitis was observed only in five individuals (#4, #29, #137, #175, and #290). Notably, there were no secondary periostitis-suggestive signs (e.g. syphilis), except for those caused by fractures (#33 and #41). As this is the inaugural Korean-skeletal-series report on periostitis, the results presented in these pages should prove significant to interested paleopathologists.
장문수(Chang Moon-Soo),구향옥(Koo Hyang-Ohk),오창석(Oh Chang-Suk) 한국콘텐츠학회 2005 한국콘텐츠학회 종합학술대회 논문집 Vol.3 No.1
최근 정보통신의 급속한 발전으로 인터넷을 이루는 컴퓨터 및 네트워크 환경은 초유의 성장과 발전을 거듭했지만, 잠재적인 취약점을 많이 가지고 있다. 이러한 취약점을 이용한 웜 및 해킹으로 인한 피해는 날로 심각하다. 본 논문에서는 이런 문제점들을 해결하기 위하여 유해트래픽 분석시스템을 설계하여 새로운 공격에 대한 방어와 네트워크의 트래픽을 분석함으로써 침입 및 유해 정보 여부를 판단하여 실시간으로 대응한다. The rapid development of computing and network environment has brought about the potential vulnerability. Therefore the damage from this vulnerability like Worm, hacking increases continually. In order to resolve this problem, implement the analysis system for mischievous traffic for defending new types of attack and analyzing the traffic takes a real-time action against intrusion and harmful information packet.
이은주,오창석 ( Eun Ju Lee,Chang Suk Oh ) 충북대학교 산업과학기술연구소 1996 산업과학기술연구 논문집 Vol.10 No.2
Abstract_Roman In this paper, the performance of the BAM is analyzed to increase storage capacity. BAM consists of two layers af neurons which are connected by directional weighted path. Simulation is performed by various using parameters such as hamming
이규태,오창석 ( Kyu Tae Lee,Chang Suk Oh ) 충북대학교 산업과학기술연구소 1996 산업과학기술연구 논문집 Vol.10 No.1
Abstract_Roman In this paper, the performance of the BAM(Bidirectional Associative Memory) is analyzed, BAM consists of two layers of neurons which are connected by directional weighted path. Pattern association are stored by weight matrix are derived fr
Q&P와 AM강의 잔류오스테나이트 분율과 안정도에 따른 인장특성 거동
변상호,오창석,남대근,김영석,강남현,조경목,Byun, Sang-Ho,Oh, Chang-Suk,Nam, Dae-Geun,Kim, Young-Seok,Kang, Nam-Hyun,Cho, Kyung-Mox 한국재료학회 2009 한국재료학회지 Vol.19 No.6
The effects of Quenching and Partitioning (Q&P) and Annealed Martensite (AM) heat treatment on the microstructure and tensile properties were investigated for 0.24C-0.5Si-1.5Mn-1Al steels. The Q&P steels were annealed at a single phase ($\gamma$) or a dual phase (${\gamma}+{\alpha}$), followed by quenching to a temperature between $M_s$ and $M_f$. Then, enriching carbon was conducted to stabilize the austenite through the partitioning, followed by water quenching. The AM steels were intercritically annealed at a dual phase (${\gamma}+{\alpha}$) temperature and austempered at $M_s$ and $M_s{\pm}50^{\circ}C$, followed by cooling in oil quenching. The dual phase Q&P steels showed lower tensile strength and yieldyield strength than those of the single phase Q&P steels, and tThe elongation for the dual phase Q&P steel was partitioning 100s higher than that of that for the single phase Q&P steels as the partitioning time was less than 100s up to partitioning 100s. For AM steels, the tensile/yield strength decreased and the total elongation increased as the austempering temperature increased. The stability of the retained austenite controlled the elongation for Q&P steels and the volume fraction of the retained austenite controlled the elongation for AM steels.