• Title/Summary/Keyword: 잠재적 무한

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Integrated RF Transceiver Technologies for Terahertz Communication System Applications (THz 통신 RF 송수신기 집적화 기술개발 동향)

  • Chung, T.J.;Lee, W.H.
    • Electronics and Telecommunications Trends
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    • v.25 no.4
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    • pp.93-102
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    • 2010
  • 최근 테라헤르츠 대역의 주파수를 이용하여 데이터 전송속도 10Gbps 이상의 초고속 통신 시스템에 대한 관심이 높아지고 있다. 테라헤르츠 대역의 주파수 범위는 100GHz~10THz로서 종래의 밀리미터파 대역에서 사용하고 있는 대역폭에 비하여 월등히 넓은 주파수 대역폭을 제공하여 주기 때문에 미래의 초고속 통신시스템 응용에 무한한 잠재적 가치를 가지고 있다. 테라헤르츠 전파는 전자파와 광파의 특성을 모두 가지고 있어 공간으로 전파하며 광의 특성에 따라 광학 렌즈를 이용하여 방사 빔을 집속할 수 있다. 또한 테라헤르츠파는 전파 감쇠가 대단히 커서 현재의 기술수준을 고려해 볼 때 10m 정도의 단거리 통신에 적합하다. 미국, 유럽, 일본 등 테라헤르츠 선도국에서는 핵심 부품 및 MMIC 등의 연구 개발에 많은 투자를 하고 있다. 본 고에서는 테라헤르츠 통신을 위한 집적화 RF 송수신기 기술개발 동향에 대하여 소개하고자 한다.

A Study of a Keyword Extraction System Design with a differentiated Service for Customer (고객 서비스 차별화를 위한 키워드 추출 시스템 설계에 관한 연구)

  • Lee, Hyun-Chang;Choi, Hyun-Seok;Shin, Sung-Yoon;Lee, Yang-Won
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2010.10a
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    • pp.638-640
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    • 2010
  • The business of companies has become more fierce due to the age of limitless competition. In addition, to improve the service satisfaction of their customers, they have continued their efforts. The researches about making their efforts get profits have done. As a result, CRM(customer relationship management) which is appropriate to analysis, evaluate and draw one of solutions to satisfy customers is received attention. Therefore, in this material we consider a architecture for keyword extraction system which is a kind of necessary technology for e-business model to provide a differentiated service. And then we could get the know-how of customer acquisition and maintenance.

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A Study on Ontology of Digital Photo Image Focused on a Simulacre Concept of Deleuze & Baudrillard (디지털 사진 이미지의 존재론에 관한 연구 -들뢰즈와 보드리야르의 시뮬라크르 개념을 중심으로)

  • Gwon, Oh-sang
    • Cartoon and Animation Studies
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    • s.51
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    • pp.391-411
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    • 2018
  • The purpose of this thesis is to examine ontology of digital photo image based on a Simulacre concept of Gilles Deleuze & Jean Baudrillard. Traditionally, analog image follows the logic of reproduction with a similarity with original target. Therefore, visual reality of analog image is illuminated, interpreted, and described in a subjective viewpoint, but does not deviate from the interpreted reality. However, digital image does not exist physically but exists as information that is made of mathematical data, a digital algorithm. This digital image is that newness of every reproduction, that is, essence of subject 'once existing there' does not exist anymore, and does not instruct or reproduce an outside target. Therefore, digital image does not have the similarity and does not keep the index instruction ability anymore. It means that this digital image is converted into a virtual area, and this is not reproduction of already existing but display of not existing yet. This not-being of digital image changes understanding of reality, existence, and imagination. Now, dividing it into reality and imagination itself is meaningless, and this does not make digital image with technical improvement but is a new image that is basically completely different from existing image. Eventually, digital image of the day passes step to visualize an existent target, nonexistent things have been visualized, and reality operates virtually. It means that digital image does not reproduce our reality but reproduces other reality realistically. In other words, it is a virtual reproduction producing an image that is not related to a target, that is to say Simulacre. In the virtually simulated world, reality has an infinite possibility, and it is not a picture of the past and present and has a possibility as the infinite virtual that is not fixed, is infinitely mutable, and is not actualized yet.

EMG신호를 이용한 보철제어기의 현황과 전망

  • 박상배;변윤식
    • 전기의세계
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    • v.34 no.9
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    • pp.553-561
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    • 1985
  • 지금까지 EMG신호를 이용한 보철제어의 역사적 고찰과 기술적인 고려사항, 실제적인 예, 그리고 전망등에 관하여 살펴보았는데 "근육이 세계를 움직인다."는 말처럼 근전도신호는 인간-기계 상호연결에 무한한 잠재성을 보여주기 때문에 앞으로 이분야에 많은 연구가 필요하리라 생각된다. 더우기, 앞으로 몇년안에는 근육전기 제어(Myoelectric control)외에 신경으로 부터 추출된 제어신호를 이용한 신경전기제어(Neuroelectric control)도 가능하리라 믿는다. 특히, 근전도 신호처리에 관한 연구결과는 실제로 로보트제어에 기여를 하고 있는데 그 예로 Saridis의 연구결과를 들 수 있겠다. 그러므로, 근전도 신호처리에 관한 연구는 산업용 로보트 개발에도 크게 도움이 될 것이다. 최근의 첨단과학 즉, 전자공학, 컴퓨터공학, 제어공학, 반도체공학, 기계공학, 생체공학을 위시한 각 기술분야의 급격한 진보와 생리학, 체육학등 기초만 아니라 "Bionic Person" 혹은 "Artificial Man"을 가능하게 할 것이다.ificial Man"을 가능하게 할 것이다. 것이다.

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Female Development in Nineteenth-Century England and Dynamics of the Bildungsroman (19세기 영국 여성의 "성장"과 성장소설의 역동성)

  • Oh, Jung-Hwa
    • Women's Studies Review
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    • v.29 no.2
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    • pp.3-35
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    • 2012
  • This paper attempts to examine complicated relations which the nineteenth-century English novel of female development has with the Bildungsroman genre, and to discuss that the story of female development effectively realizes the potential dynamics of the genre. It looks into the history of discussions on the Bildungsroman which began at the end of the nineteenth-century in Germany and developed among twentieth-century Anglo-American critics, and those on the female development which didn't start until feminist criticism ventured out at the end of 1970s, and have developed into various perspectives ever since in accordance to the progress of feminist criticism. In general, Bildungsroman criticism considers that it portrays the process how the protagonist develops self and achieves an accommodation with society. However, this paper points out that the Bildungsroman is the narrative form which represents conflicts between self and society caused by idealizing the infinitive possibility of self-determination while simultaneously presenting the limited goal of social integration. It argues that the subversive dynamics of the genre can give full play to its potential when it reveals contradictions and tensions between individual subjectivity and integration into society and connects them with criticism of political and social structures. It is the stories of female Bildungshelds depicted by nineteenth-century female writers that exquisitely embody the subversive potential of the Bildungsroman. They acutely experience alienation from society where independency or autonomy is fundamentally impossible because the ideology of separate spheres does not allow them to live a meaningful life economically and sociologically outside the marriage. An example of a female Bildungsheld whose conflicts between development of self and integration with society are doubled by gender is Jane Eyre. Jane Eyre is a representative Bildungsroman with subversive dynamics, which tells the story of female development but splits itself through various techniques inserting contradictory and opposite meanings, thus resignifying female development and questioning social and political structures.

Mechanical Properties of Rocks in Dokdo (독도 암석의 역학적 특성에 관한 연구)

  • Park, Chan;Jung, Yong-Bok;Song, Won-Kyong;SunWoo, Choon;Kim, Bok-Chul;Cheon, Dae-Sung
    • Tunnel and Underground Space
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    • v.18 no.1
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    • pp.69-79
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    • 2008
  • Dokdo is a volcano edifice originating from an oceanic island that was formed around 3 million to 2.2 million years ago, and it consists of Dongdo(eastern island) and Seodo(western island). Even though Dokdo is a small volcanic island, Dokdo has infinite potential value and significant economic, social, scientific, and technical aspects due to its resources, ecological and territorial value. In addition, it is of national interest with regards to the dispute with Japan over the dominium of Dokdo. A need to evaluate the ground stability of Dokdo, especially in Dongdo, has been seriously raised recently due to the various cracks caused by the progressive weathering and corrosion. This study dealt with the geology and geological layers of Dokdo and identified the status of ground cracks as the previous research to evaluate the ground stability of zones of concern in Dongdo. Also, this study analyzed the relationships between physical and mechanical properties with rock types. The results showed that the values of rock properties in Dokdo are lower contrary to the general rocks in Korea, and tuff was especially affected by the weathering and corrosion.

MMJoin: An Optimization Technique for Multiple Continuous MJoins over Data Streams (데이타 스트림 상에서 다중 연속 복수 조인 질의 처리 최적화 기법)

  • Byun, Chang-Woo;Lee, Hun-Zu;Park, Seog
    • Journal of KIISE:Databases
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    • v.35 no.1
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    • pp.1-16
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    • 2008
  • Join queries having heavy cost are necessary to Data Stream Management System in Sensor Network where plural short information is generated. It is reasonable that each join operator has a sliding-window constraint for preventing DISK I/O because the data stream represents the infinite size of data. In addition, the join operator should be able to take multiple inputs for overall results. It is possible for the MJoin operator with sliding-windows to do so. In this paper, we consider the data stream environment where multiple MJoin operators are registered and propose MMJoin which deals with issues of building and processing a globally shared query considering characteristics of the MJoin operator with sliding-windows. First, we propose a solution of building the global shared query execution plan. Second, we solved the problems of updating a window size and routing for a join result. Our study can be utilized as a fundamental research for an optimization technique for multiple continuous joins in the data stream environment.

A Study of Geostationary Atmospheric Environmental Monitoring Satellite Data Management Policies (정지궤도 대기환경 관측 위성 자료 관리 정책 방안 연구)

  • Choi, Won Jun;Eun, Jong Won
    • Journal of Satellite, Information and Communications
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    • v.11 no.4
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    • pp.10-14
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    • 2016
  • Korean satellite development projects were divided military objectives such as national security, and commercial communication satellites. The First geostationary Korean earth observation satellite, GeoKOMPSAT is a turning point to concern another way to utilizing satellite. In the past, the main concern was the sharp ground images, now days, it is more important to make high added value from satellite data. In particular, environmental payload, GEMS mounted on the satellite GeoKOMPSAT-2 will monitor air quality which is not observed by visual material, may be referred to as case by utilizing the satellite. Satellite data utilization is likely to receive a great influence on the appropriate public policy data. If the public is expected to be fully revealed that potential demand. It is time to change the management policy on the security aspects of weak satellite data. Depending on the expanding use of satellites, it is necessary to investigate the status of disclosing satellite data, and suggests policy options for the distribution of materials for the environment satellite characteristics.

A Study on the Curriculum by the Process of Actual Use of 3D printer -Focus on the College of Design- (3D 프린터 활용 프로세스를 통한 교육과정 연구 -디자인대학을 중심으로-)

  • Sung, Kug-Joo;Kim, Suk-Rae
    • Journal of Digital Convergence
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    • v.14 no.6
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    • pp.381-393
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    • 2016
  • The new paradigm of 3D printing is that no one is clearly easy to regulate or estimate the impact adverse on existing industry or the form of new business models. Nevertheless, it will be judged that there is no person to deny about potential possibility of implicated 3D printing technology by industrial and business aspects. This study has the purpose and significance of that to suggest practical education which is available as practical application because new creative tools in design department are expected to have greater impact and use of 3D printing technology. Based on the analysis of research on the work process of 3D printing technology for this purpose, we composed the step-by-step curriculum linkages which combined theory and practice for student to create the well-made final output.

Analysis of Images Found in by Jan Svankmajer: Focusing on Classification of Images in the Theory of Cinema by Deleuze (얀 슈반크마이에르의 <영원의 대화>에 나타난 이미지 분석: 들뢰즈 『시네마』 이론의 이미지 분류를 중심으로)

  • Youm, Dong-Cheol;Lim, Yong-Seob
    • Cartoon and Animation Studies
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    • s.32
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    • pp.43-61
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    • 2013
  • The aberrant movement that Gilles Deleuze wanted to describe represents 'unclosed' or 'unlimited' possibility; it also means that a being has unlimited virtual power until it turns into a thing. In this paper, I analyzed and classified "Dialogue Factual,"one of the animation films by Jan Svankmajer, based on the logical grounds by Gilles Deleuze. First, as a result of analysis according to the seven characteristics in the experimental animation by Paul Wells, 'Dialogue Factual' has all of the features in the experimental animation, and, as I have found, the analysis through a comparison with Carl Dreyer's "The Passion of Joan Of Arc" indicates the works by Jan Svankmajer do not conform to Sensory-motor schemata. Such aberrant properties are involved with the time-image by Gilles Deleuze; by comparison with "Lavender Mist No. 1", one of the artworks by Jackson Pollock, it has been confirmed that "crystal image," the important concept of the time-image, is inherent in "Dialogue Factual". Lastly, the analysis of shots suggests that the movement-image and the time-image coexist in "Dialogue Factual". However, they are not to be classified by a clear-cut dichotomy.