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A Monte Carlo Computer Simulation Study for Blue Crab Capture Efficiency Experiment
( Shinichi Endo ),( Chang Ik Zhang ) 한국수산학회 1995 한국수산과학회지 Vol.28 No.6
A Monte Carlo computer simulation study was conducted to determine the most efficient sampling design for the blue crab dredge capture efficiency experiment performed in Chesapeake Bay, Maryland, U.S.A. The input values were the number of dredge tracks in each experimental area, the number of tows per experiment, the number of experiments, the mean density of crabs per unit area, the negative binomial coefficient, the gear capture efficiency, and the tow error. As a result of the study, a four-track experiment with twenty to twenty-eight tows was estimated to be the best in terms of precision and accuracy of the gear capture efficiency.
조성재,Shinichi O’uchi,Kazuhiko Endo,김상완,Younghwan Son,Meishoku Masahara,James S. Harris, Jr.,박병국,강인만 대한전자공학회 2010 Journal of semiconductor technology and science Vol.10 No.4
In this work, reliable methodology for device design is presented. Based on this method, the underlap length has been optimized for minimizing the gateinduced drain leakage (GIDL) in a 22-nm node 4-terminal (4-T) silicon-on-insulator (SOI) fin-shaped field effect transistor (FinFET) by TCAD simulation. In order to examine the effects of underlap length on GIDL more realistically, doping profile of the source and drain (S/D) junctions, carrier lifetimes, and the parameters for a band-to-band tunneling (BTBT)model have been experimentally extracted from the devices of 90-nm channel length as well as pnjunction test element groups (TEGs). It was confirmed that the underlap length should be near 15nm to suppress GIDL effectively for reliable low standby power (LSTP) operation.
Seongjae Cho,Shinichi O’uchi,Kazuhiko Endo,Sang Wan Kim,Younghwan Son,In Man Kang,Meishoku Masahara,James S. Harris,Byung-Gook Park 대한전자공학회 2010 Journal of semiconductor technology and science Vol.10 No.4
In this work, reliable methodology for device design is presented. Based on this method, the underlap length has been optimized for minimizing the gateinduced drain leakage (GIDL) in a 22-㎚ node 4-terminal (4-T) silicon-on-insulator (SOI) fin-shaped field effect transistor (FinFET) by TCAD simulation. In order to examine the effects of underlap length on GIDL more realistically, doping profile of the source and drain (S/D) junctions, carrier lifetimes, and the parameters for a band-to-band tunneling (BTBT) model have been experimentally extracted from the devices of 90-㎚ channel length as well as pnjunction test element groups (TEGs). It was confirmed that the underlap length should be near 15 ㎚ to suppress GIDL effectively for reliable low standby power (LSTP) operation.
Cho, Seong-Jae,O'uchi, Shinichi,Endo, Kazuhiko,Kim, Sang-Wan,Son, Young-Hwan,Kang, In-Man,Masahara, Meishoku,Harris, James S.Jr,Park, Byung-Gook The Institute of Electronics and Information Engin 2010 Journal of semiconductor technology and science Vol.10 No.4
In this work, reliable methodology for device design is presented. Based on this method, the underlap length has been optimized for minimizing the gateinduced drain leakage (GIDL) in a 22-nm node 4-terminal (4-T) silicon-on-insulator (SOI) fin-shaped field effect transistor (FinFET) by TCAD simulation. In order to examine the effects of underlap length on GIDL more realistically, doping profile of the source and drain (S/D) junctions, carrier lifetimes, and the parameters for a band-to-band tunneling (BTBT) model have been experimentally extracted from the devices of 90-nm channel length as well as pnjunction test element groups (TEGs). It was confirmed that the underlap length should be near 15 nm to suppress GIDL effectively for reliable low standby power (LSTP) operation.
장창익,--,-- 한국수산학회 1993 한국수산과학회지 Vol.26 No.4
1992년 동계에 췌셰픽만의 꽃게자원에 대하여 예망을 사용한 연속채집법에 의한 어획 효율성을 조사하였다. 일반선형모델 분석에 따르면 26회에 결친 야외시험 결과 어획효율성은 저질이나 수심, 사용된 조사선박에 따라 통계학적으로 유의한 차이가 나타나지 않았다. 예망효율(즉, 어획율)은 Leslies방법과 단순히 개조된 방법 등의 두 방법을 사용하여 추정하였다. 평균 어획율은 0.26 (표준오차 : 0.03)으로 추정되었는데 이는 한번의 예망을 사용하여 채집장소에 존재하고 있는 꽃게 가운데 단지 26%(95% 신뢰한계 : 20∼32%)를 잡을 수 있다는 의미이다. 예망효율은 꽃게의 밀도가 증가함에 따라 지수적으로 감소하였다. Using a successive removal approach the mechanism of sampling capture efficiency of blue crabs by dredges was studied in Chesapeake Bay during winter 1992. For the twenty six field experiments no significant statistical differences were detected in dredge efficiency using general linear model analysis by factors including bottom sediments, water depths, and sampling vessels. Dredge efficiency (i.e., catchability) was estimated by two methods, Leslie (Leslie and Davis, 1939) and a simple revised method. Mean catchability was estimated at 0.26 (SE=0.03), indicating that only 26% (95% C.I.=20∼32%) of crabs present in the path of the dredge of a given sampling area are caught with a single dredge tow. Dredge efficiency declined exponentially as crab density increased.