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황정룡 한국항공대학교 1995 論文集 Vol.33 No.-
이 論文은 線形常微分方程式 (L) ?? 의 解의 安定性, 吸收成, 平等安정, 및 近安定에 대한 論理的인 關係를 硏究해 보았다. The article is to investigate the logical relationship on the solution of stability, attractiveness, uniformly stability, asymptotical stability of linear ordinary differential equation, (L).
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소형 기기용 효율적인 바이트 코드 검증기술에 관한 연구
황철준,조증보,정민수 慶南大學校 附設 工業技術硏究所 2003 硏究論文集 Vol.21 No.2
USIM(Universal Subscriber Identity Module) 기술은 데이터의 관리와 보호를 하나의 소형 칩 내에 집약시킨 기술로 최근에 이 기술에 대한 관심도가 증가하고 있다. 자바카드 가상기계는 자바 언어로 작성된 프로그램이 USIM 칩 내부에서 실행 가능하도록 해준다. 하지만 자바카드 가상 기계는 자원 제약적인 디바이스의 특성으로 인하여 검증기술을 제공하지 않는다. 본 논문에서는 정적 체크 기반의 효율적인 바이트코드 검증기를 제안한다. 연구 결과 본 논문에서 제안하는 검증기는 일반적인 것에 비해 90% 이상의 사이즈가 감소되었다. As Universal Subscriber Identity Module (USIM) technology can handle, manager and protect data within a small sized chip, peopled are more interested in USIM technology lately. Java Card Virtual Machine (JCVM) enables programs written by Java programming language to be run in smart cards with USIM chips. However JCVM does not have a verifier as limits of hardware. In this paper, we propose a ByteCode verifier with novel algorithm based on Static Check policy. We experiment that the size of our verifier is reduced by 90% over generals.
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黃貞龍 한국항공대학교 1987 論文集 Vol.25 No.-
The purpose of the present paper is to research the intrisic characters of the einstein space. In this paper, we studied firstly some algebraic relations of the curvature tensor in Riemannian space. And them, we find the necessary condition that the Riemannian curvature is scalar. Finally, we shall show that the 2 or 3-dimensional Einstein space is a constant curvature space.
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黃貞龍 한국항공대학교 1985 論文集 Vol.23 No.-
This study attempts to investigate and apply such definitions as addition, multiplication, contraction, division and covariant differentiation with regard to transforming the local coordinate system to relative tensor of weight K, and also to extract a formula to be defined as the covariant differentiation.
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黃貞龍 한국항공대학교 1986 論文集 Vol.24 No.-
This study attempts to find a suitable formula equivalent to Bianchis identity as to Riemann Christoffel tensor B(??) in terms of the space of affine connection, and also to find a formula to be defined as the space of symmetric affine connection and Γ??={??}
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黃貞龍 한국항공대학교 1992 論文集 Vol.30 No.-
본 연구는 綬增加超??數의 Fourier변환의 성질을 모아보았으며 또한 方程式의 超??數解라는 개념을 도입하고 方程式이 정의되여지는 여영의 內部에 解는 매끈해야 한다는 인식을 버릴 수 있음을 알 수 있고 被動方程式에 超??數를 적용하여 超??數解를 이끌어 내어보았다. The purpose of this paper is to solve the differential equation by using distribution. Through introducing slowly increasing distribution, we can redefing the concept of Fourier transformation and classify its characteristic. Next applying the concept of the differential equation to the newly-defined Fourier transformation we can identify that the solution of its application violate one of the conditions of the differential equation: every solution should be smooth. To find out validity of this hyporhesis, we try to apply the distribution to wave equations. and we show the application is well-motivated.
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황해익,임재택,김정신,송연숙,이경화,김남희 부산대학교 영유아보육연구소 1998 영유아보육연구 Vol.4 No.-
This study aimed to develop Materials for (The Infant Educare Program) (Dept. of Health & Welfare, 1996). Infant educare Materials were developed through following procedures: 1) analysis of reference and other educare materials 2) content analysis of (The Infant Educare Program) 3) developing materials and 4)testing and revising materials by professionals. Infant educare Materials that developed in this study were constituted of 12 kinds in 5 areas - Materials for management of daycare center, the nursery stories for infants, musical materials for infants, play things for infants, and educational materials for parents. First, materials for management of daycare center were considered various conditions whithin daycare centers and were compased of 2 kinds - diary for educare plan and diskettes for documents. Second, the nursery stories for infants were compased of materials for 3 stages-the weaning stage, the toddling stage, and the independent stage. Similarly, musical materials for infants were composed of 3 stages. And play things for infants were composed of 2 kinds - play things to be easily founded and easily making play things. Finally, educational materials for parents were composed of 2 kinds - guide book for parents education and diskettes for communication with parents. It is needed that persistent attention from professionals in developing and testing materials for infant educare. Also, further educational implications were discussed
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박노국,황정희 尙志大學校 生産技術硏究所 1997 生産技術論叢 Vol.3 No.-
With the change of economic environment, the present problem that small and medium enterprises must secure their own power to survive in the unlimited competitive age comes to the front. This study investigated the management environment of medium and small business by examining the role of medium and small business in national economics, the change in management condition, and the problems in quality and technique. Also we analyzed problems in the past quality control activity of our medium and small business, and examined the driving direction and introduction method of QM. And to understand the effect of manager's concern in quality management to observe the quality system before and after introduction of QM. A target for this investigation is the medium and small business which has introduced QM through ISO 9000.
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