• 대한치과기공학회지
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• 제33권1호
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• pp.103-112
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• 2011

Purpose: of this survey research was to investigate the satisfaction level of clinical training for 300 students in the department of dental technology. Methods: This survey was carried out from 1th of january to 20th of january and analyzed using the Statistical Package for Social Sciences 17.0 for Windows. As for the analysis methods, the study used the frequency analysis, percentage, mean, t-test, analysis of variance, multiple regression analysis. Results: The results of multiple regression analysis between the satisfaction level and the related factors indicated that the satisfaction of major and place of clinical training in the clinical training are the major component in the male students and the satisfaction of major and a school record and clinical training experience are the major component that contribute the satisfaction level in the female students. Conclusion: Regular course of training and pre-employment training also recommends to students in the department of dental technology. Faculty and clinical dental technicians should try in order to improve satisfaction level of clinical training.

• 기술혁신학회지
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• 제15권2호
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• pp.461-479
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• 2012

본 연구에서 국가 대형 R&D가 적용될 신제품의 기술수준 평가에 적용할 수 있는 평가관점과 분석 방법론을 새롭게 제안하였고, 초전도 케이블 기술의 수준평가에 적용하였다 신제품의 기술수준을 평가하기 위해서 요소기술 분류, 평가요인 분석, 평가항목의 구성 및 내용, 기술수준 평가 및 표현 방법 등에 관한 논리적 절차를 제시하였다. 기술 경쟁성을 평가하기 위해서 기술속성 변수를 설정하여 분석하였다. 상대적인 경쟁성을 수치 및 위치로 표현하기 위해서 다변량 기법인 주성분 분석을 적용하였다. 기술성과 권리성평가 결과를 종합한 기술수준 평가에서 초전도 케이블 기술은 글로벌 선도기술 대비 최소 96.11% 최대 101.76% 범위 내에 있을 것으로 추정되었다. 즉, 대상 기술의 기술수준은 '세계 선도기술과 비교하여 대등한 수준에 있다'는 주장을 채택할 만한 충분한 근거가 분석되었다. 제안된 신제품의 기술수준평가 관점 및 논리는 국가 대형 R&D 기술수준을 평가하는데 유용하게 적용될 수 있을 것이다.

• 호남수학학술지
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• 제35권3호
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• pp.525-540
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• 2013

We introduce the concept of level subgroups of an interval-valued fuzzy subgroup and study some of its properties. These level subgroups in turn play an important role in the characterization of all interval-valued fuzzy subgroup of a prime cyclic group.

• 한국원자력학회:학술대회논문집
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• 한국원자력학회 1996년도 추계학술발표회논문집(1)
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• pp.301-306
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• 1996

To predict the average liquid level under the condition of the countercurrent stratified two-phase flow in a pipe, an analytical model has been suggested. This is made by introducing the interfacial level gradient into the liquid-phase and the gas-phase momentum equations. The analytical method for the gas-phase pressure drop calculation with f$_i$ $\neq$ f$_G$ has also been described using the liquid level prediction model developed in the present study.

• 한국군사과학기술학회지
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• 제19권2호
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• pp.244-251
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• 2016

In defense domain, mission level and engagement level simulation tools exist. In order to experiment a simulation scenario for obtaining results of both mission level and engagement level simulations, we should write a same simulation scenario in a mission level simulation tool as well as an engagement level simulation tool, and we have to operate these tools for analysis of each purpose. Moreover, we could not guarantee that these scenarios are completely same since each scenario is composed of different fidelities of simulation models, although the scenarios are written by a same experimenter and with same simulation purpose. To deal with the difficulties, I propose an approach to analysis of both mission level and engagement level simulations from one simulation result. For this, I have built Composite Combat Mission Planning Simulation Environment (CCMPSE). In this paper, the HLA/RTI based simulation composition technology and my experiences for the designed Composite Combat Mission Planning Simulation Control System (CCMPSCS) are explained. Moreover, This paper also conducts a case study with EADSIM, SADM, and the CCMPSCS. Finally, this paper provides lesson learned from the case study.

• 한국정보디스플레이학회:학술대회논문집
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• 한국정보디스플레이학회 2008년도 International Meeting on Information Display
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• pp.20-23
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• 2008

We proposed a-Si:H TFT (hydrogenated amorphous silicon thin film transistor) level shifter which reduced number of power sources. To reduce the number of power sources from four to two, modified bootstrapped inverter was used for the level shifter. The shift register was verified by PSPICE circuit simulation and fabricated. The fabricated level shifter successfully shifted low input (0 to 5 V) to high level output (-7 to 23 V).

• International Journal of Control, Automation, and Systems
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• 제6권6호
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• pp.828-835
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• 2008

We present a novel method for eye location by means of a two-level classifier scheme. Locating the eye by machine-inspection of an image or video is an important problem for Computer Vision and is of particular value to applications in biomedical imaging. Our method aims to overcome the significant challenge of an eye-location that is able to maintain high accuracy by disregarding highly variable changes in the environment. A first level of computational analysis processes this image context. This is followed by object detection by means of a two-class discrimination classifier(second algorithmic level).We have tested our eye location system using FERET and BioID database. We compare the performance of two-level classifier with that of non-level classifier, and found it's better performance.

• 한국수학교육학회지시리즈E:수학교육논문집
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• 제22권3호
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• pp.369-382
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• 2008

서울산업대학교에서 2005학년도부터 실시한 대학수학의 수준별 수업 진행 상황과 그 결과에 따른 학생들의 학업성취도를 분석하고, 향후 보완 추진해야할 과제들과 대학수학 교육의 발전을 위한 방법을 제안하고자 한다.

• Nuclear Engineering and Technology
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• 제29권1호
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• pp.15-24
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• 1997

The design and evaluation of a digital U-tube steam generator level controller of nuclear power plants, which uses model-based compensators to offset the inverse response behavior of water level, is described. Included is a review of steam generator level dynamics, a simulation model that replicates the effects of feedwater and steam flowrate as well as temperature on steam generator level, the design of both the compensators and the overall controller, and the results of simulation studies in which the performances of this model-based controller and existing analog ones were compared. The proposed digital steam generator level controller is stable and its use significantly improves the controllability of steam generator level.

• 한국의류학회지
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• 제36권3호
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• pp.269-281
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• 2012

This study investigates the influence of technology readiness, fashion innovativeness, and participation level perception on the acceptance intention of 3D virtual fitting systems. We presented a 3D virtual fitting system with detailed information that was watched by respondents who subsequently completed a research questionnaire. The data were collected from 300 subjects with an age range of 21 to 39 who have experienced Internet shopping. Descriptive statistics, Cronbach's alpha, factor analysis, correlation analysis, and multiple regression analysis were conducted. The results were as follows. First, fashion innovativeness, technology innovativeness, participation level perception, and optimism significantly influenced the acceptance intention. Second, fashion innovativeness, technology innovativeness, participation level perception, and optimism positively influenced the acceptance intention in the male group; however, technology innovativeness, participation level perception, optimism, and insecurity significantly influenced the acceptance intention in the female group. The results indicated that a marketing strategy has to be designed that focuses on consumers with high technology, fashion innovativeness, and optimism to increase the acceptance intention. In addition, markers have to enhance a participation level perception that will contribute to the introduction of 3D virtual fitting systems. Another notable finding was the importance to differentiate marketing strategies according to gender.