• 디자인학연구
• /
• 제16권1호
• /
• pp.53-62
• /
• 2003

예전에는 군사, 건축, 의학 등 전문적인 분야에서만 주로 사용되었던 3차원 정보가 이제 인터넷 환경의 발달과 함께 전자상거래, 가상채팅, 3D 게임 등 일상 생활 속으로 점점 확대되고 있는 추세이다. 특히 오늘날 정보의 대부분이 유통되고 있는 웹World Wide Web)은 관련 기술의 발달과 함께 3차원 정보가 그 중심을 이루는 방향으로 점차 발전하고 있다. 그러나 3차원 정보 전달을 위한 다양한 기술과 방법의 혼재로 디자이너가 적절한 방법을 선택하는데 어려움이 많다. 현재 웹에는 수많은 3차원 컨텐츠가 존재하고 있지만 그러한 정보 구성에 대한 체계적인 분류가 이루어지지 않고 있으며 각각의 문제점을 바탕으로 한 적절한 3차원 구성 논리에 대한 연구 역시 미흡한 상태이다. 이에 본 연구는 3차원 정보 전달을 위한 효율적인 정보 구성의 논리를 제안하기 위하여 다양한 3차원 정보전달 방법들에 대한 비교 분석을 통해 문제점을 발견하고, 이를 바탕으로 웹 환경에 적합한 3차원 정보 구성의 논리를 제안하도록 한다.

• 정보화정책
• /
• 제21권1호
• /
• pp.17-34
• /
• 2014

개인정보의 유통 현황을 분석하고 파악하는 일은 개인정보가 집중되는 개인정보처리자에 대한 관리와 대응 차원에서 매우 중요한 이슈이다. 본 논문은 개인정보처리자가 인터넷 홈페이지 등을 통해 공개해야 하는 개인정보처리방침 데이터와 네트워크 이론을 결합하여 개인정보의 유통 구조를 분석하는 방법을 제시한 최초의 연구이다. 연구 결과 개인정보 유통 네트워크는 방향성과 가중성을 가지는 대규모 네트워크이며, 역동성, 군집성, 중심성, 복잡성, 창발성 등의 네트워크 특성을 가진다. 또한 개인정보가 집중되는 개인정보처리자를 식별 가능한 것으로 분석 되었다. 이를 통해 개인정보 유통 현황 및 개인정보가 집중되는 개인정보처리자를 보다 과학적인 방법으로 관리 할 수 있으며, 개인정보보호 규제 정책의 성과를 모니터링 및 제고할 수 있다.

• 한국문헌정보학회지
• /
• 제57권3호
• /
• pp.5-26
• /
• 2023

초·중등학교 교육을 위해서는 교육과정이 필수적이다. 한국의 국가 수준 교육과정인 2022 개정 교육과정의 개발이 완료되었다. 그럼에도 정보활용교육을 위한 교육과정인 ｢도서관과 정보생활｣은 2009 개정교육과정 구조에 머물러 있다. 본 연구에서는 미국 펜실베니아 주의 정보활용교육을 위한 교육과정의 구조와 내용을 분석하여 정보활용 교육에 대한 동향을 파악하고, ｢도서관과 정보생활｣의 개정 방향을 제안하고자 한다. 정보활용교육을 위한 펜실베니아 주의 교육과정은 영속적인 전이 목적, 빅 아이디어(탐구, 포용, 협력, 정보활용, 자기관리, 참여), 개념, 본질적 질문 등의 총괄구조로 구성되어 있다. 또한, 1단계(바라는 결과), 2단계(평가 증거), 3단계(학습 계획) 등의 세부구조 로 구성되어 있다.

• Journal of Communications and Networks
• /
• 제16권1호
• /
• pp.92-97
• /
• 2014

A novel method for extracting frequency slippage signal from radar full pulse sequence is presented. For the radar full pulse sequence received by radar interception receiver, radio frequency (RF) and time of arrival (TOA) of all pulses constitute a two-dimensional information sequence. In a complex and intensive electromagnetic environment, the TOA of pulses is distributed unevenly, randomly, and in a nonstationary manner, preventing existing methods from directly analyzing such time series and effectively extracting certain signal features. This work applies Gaussian noise insertion and structure function to the TOA-RF information sequence respectively such that the equalization of time intervals and correlation processing are accomplished. The components with different frequencies in structure function series are separated using empirical mode decomposition. Additionally, a chaos detection model based on the Duffing equation is introduced to determine the useful component and extract the changing features of RF. Experimental results indicate that the proposed methodology can successfully extract the slippage signal effectively in the case that multiple radar pulse sequences overlap.

• Agribusiness and Information Management
• /
• 제5권1호
• /
• pp.42-54
• /
• 2013

Information System (IS) Success Model proposed by DeLone and McLean is applied as a successful operation tool of information system, with its basic assumption of symmetric relationship between independent variables and dependent variables of the structural equation modeling. However, because previous studies have proved asymmetry of quality factors' influence structure on dependent variable by applying three-factor analysis, this study examined asymmetry of impact structure of quality factors introduced in IS Success Model on user satisfaction. Also the study applies structure equation modeling (SEM), three-factor analysis and importance and performance analysis (IPA) to develop resource allocation strategy for IS success. The study is able to provide IS practitioners with strategic implications for allocating and managing limited resources more effectively.

• 한국정밀공학회지
• /
• 제20권9호
• /
• pp.180-187
• /
• 2003

In engineering design environment it is hard to link design data and systems because the types of them are disparate. Therefore, the importance of metadata has increased. Some researches have been executed to develop metadata. But they cannot interact with other metadata and are difficult to extend. The purpose of this paper is to develop a common document structure which represents the general information of mechanical part assembly using XML, and to use it as base documents in order to integrate design data and systems. It is composed of part, assembly and user documents. Part document represents the information of a part independently to part type. Assembly document represents the location of constituent part documents. User document represents user's information. Common documents can be used as a broker between design data and systems, and it can improve the interpretability and reusability of document. We applied the developed common document structure to 2-stage spur gear drive.

• 대한전자공학회:학술대회논문집
• /
• 대한전자공학회 1999년도 추계종합학술대회 논문집
• /
• pp.795-798
• /
• 1999

To transmit multimedia information efficiently and use it in realtime, it needs a private multimedia terminal for service type. But multimedia information terminal was developped for of offered service type in case by case. Accordingly, general multimedia terminal have not been developed yet. Multimedia database structure and standard communication protocol must be designed first to develop the general multimedia terminal. Multimedia database structure needs to store the various multimedia information consistently and, standard communication protocol access the database transparently. In this paper, we design a multimedia database structure and communication protocol that are able to access the multimedia information on distributed database servers in the network.

• Journal of information and communication convergence engineering
• /
• 제3권4호
• /
• pp.172-175
• /
• 2005

In this paper, a new method to get the optimum channel capacity of a Multiple-Input Multiple­Output (MIMO) system is presented. The proposed method exploits the diagonal structure of channel matrix to maximize the channel capacity. The diagonal format of the channel matrix is formed by multiplying the transmitted signal with the pre-compensated channel PCC) matrix. Numerical simulations show that the proposed method exploiting the diagonal structure of channel matrix could significantly increase the system capacity compared with the system without applying the diagonal structure of channel matrix.

• 대한전자공학회:학술대회논문집
• /
• 대한전자공학회 2000년도 ITC-CSCC -1
• /
• pp.211-214
• /
• 2000

In this paper, a discrete-time S-dimensional chaos circuit (S = 1,2,3,4,...) with array structure is proposed. By employing array structure which consists of 1-dimensional chaos circuits, the proposed circuit can achieve long working-life. This feature is favorable to exploit as a building block of chaos application systems to get into home electric appliances. Further more, the proposed circuit synthesized using switched-current (SI) techniques is suitable for integration. Concerning the proposed circuit, SPICE simulations are performed. SPICE simulations showed that the proposed circuit can generate the chaotic signals in spite of the fault of the building blocks of the proposed circuit. The proposed circuit is integrable by a standard BiCMOS technology.

• 한국정보통신학회:학술대회논문집
• /
• 한국해양정보통신학회 2002년도 추계종합학술대회
• /
• pp.317-319
• /
• 2002

In this paper, a new method to get the optimum channel capacity of a Multiple-Input Multiple-Output (MIMO) system is presented. The proposed method exploits the diagonal structure o f channel matrix in order to maximize the channel capacity. The diagonal format of the channel matrix is formed by multiplying the transmitted signal with the precompensated channel (PCC) matrix. Numerical simulations show that the proposed method exploiting the diagonal structure of channel matrix could significantly increase the system capacity compared with the system without applying the diagonal structure of channel matrix.