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CONFIGURATION OF THE EMBEDDED COMPUTER DEVELOPMENT SYSTEM
Dehe, Hu,Hulyun, Zhang,Jian, Hu 대한전자공학회 1992 HICEC:Harbin International Conference on Electroni Vol.1 No.1
The paper describes some aspects of embedded computer development system, presents one of the pramary structures. It involves main processor as development work station, multi-emulator, bus logic analyser, trigger trace analyser, etc. After reviewing the configuration of development tools, several top-most technologys are discussed, multiple in-circuit emulation, testing & verification, rapidly product software are to be focused.
한대희(DeHee Han),조성준(Sungzoon Cho) 한국정보과학회 1996 한국정보과학회 학술발표논문집 Vol.23 No.1A
암호(password)를 통한 보안 시스템은 지식기반 시스템으로 암호가 유출될 경우 시스템 보안은 쉽게 깨어진다. 이 약점을 보완하기 위하여 암호의 타자 시간 패턴을 이용하는 방법이 제안되었다. 즉 암호를 구성하는 각 문자 키를 누르는 시간과 문자 키 사이의 시간을 측정하여, 주인과 타인의 패턴 간을 거리 개념을 이용하여 분류한다. 암호 타자 패턴을 이용한 보안 시스템의 구축에 필요한 타자 패턴 분류기에 여러 가지 패턴 분류 방법을 적용하고, 그 성능을 비교, 분석한다. 적용된 패턴 분류 방법은 k-NN(nearest neighbor), 외부인 찾기, 은닉 마코프 모델 등이다. 각 방법에서 그 방법의 파라미터들을 바꿔 가며 성능을 실험한다. 적용된 여러 가지 방법 중 k-NN이 가장 알맞은 패턴 분류 방법임을 실험으로 구하였다.
김대희(Dehee Kim),권장혁(Jang Hyuk Kwon) 한국항공우주학회 2005 韓國航空宇宙學會誌 Vol.33 No.10
중첩격자계와 접합격자계를 이용한 적응격자 기법이 개발되었다. 유동장은 물체와 근접한 영역과 떨어진 영역으로 구분된다. 근접한 영역은 곡선 격자계로 채워지며 중첩격자기법으로 영역이 연결되고 떨어진 영역은 다양한 적응 단계를 가진 직교 격자계로 채워지며 접합격자기법으로 연결된다. 본 적응격자기법은 격자생성에 있어서의 유연성과 효과적인 격자적응 기능을 보여준다. 2차원 스토어 분리 해석을 포함하는 몇 가지 수치해석을 통해 본 적응격자기법의 성능을 검증하였다. A grid adaptation method within systems of chimera and patched grids is presented. Problem domains are divided into near-body and off-body fields. Near-body field is filled with curvilinear body-fitted grids that extend only a short distance from body surfaces and connected to other grid systems via chimera domain connectivity method. Off-body field is filled with patched uniform cartesian grids of varying levels of refinement. This method gives flexibility in grid generation and efficient adaptation capability. Several numerical experiments including 2D store separation were performed to show the performance of the proposed adaptation method.
Multiscale Modeling of Head Disk Interface
Kim, Dehee,Chung, Pil Seung,Jain, Parag,Vemuri, Sesha Hari,Jhon, Myung S. IEEE 2010 IEEE transactions on magnetics Vol.46 No.6
<P> Multiscale modeling opens a new paradigm by providing a novel methodology of establishing molecular design criteria and potentially gives several order of magnitude advances in nano-technology. The head disk interface in hard disk drive system investigated here can be used as a benchmark for multiscale modeling. Our approach, stemmed from novel middle-out approach in modern multiscale modeling, uses lattice Boltzmann method (LBM) as a base formulation marches towards continuum level (top) and molecular level (bottom). This approach will be an extremely valuable tool in generating design criteria of head/disk interface. </P>
Sabrina C. Thornton,Benjamin Dehe,David R. Bamford 글로벌지식마케팅경영학회 2018 Global Marketing Conference Vol.2018 No.07
This study investigates an under-developed research area, sports partnership management, to deepen the understanding of the strategic implications derived from a sports club’s partnerships. A relationship perspective to the portfolio framework is employed by considering the complexity of a partnership as the managerial input variable, and the value impact of the partnership as the output variable. It adopts a longitudinal single case study design, allowing aspects of both exploration and explanation through evidence from multiple sources within the organization. The data collection entails a three-phase empirical research process, collecting data from different sources within a professional sports club. Based on a dataset containing two waves of contract data collected in Phase 2 coupled with interviews in Phase 1 and discussions in Phase 3, this research provides three meaningful applications of a partnership portfolio framework. Theoretically, this research provides insights into enhancing the rigor of the operationalization of a portfolio analysis by paying particular attention to the validity of the portfolio framework and its measurement issues. Practically, the study offers a framework for analyzing its partnership portfolio that provides insights into the current status of the portfolio and ways to build, sustain and/or improve the management of their partnerships.