• 항공우주시스템공학회지
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• 제10권4호
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• pp.59-66
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• 2016

1950-1960년 대 인도와 중국은 미국, 서방국가, 그리고 구소련에게서 받은 로켓 기술을 바탕으로 발사체 개발을 수월하게 이룰 수 있었다. MTCR이 출범한 1987년 이후, 1990년 대 초를 제외하고는 양국이 MTCR 체제 밖에 있었으며, 미국과의 주요 우주분야 협력 이력은 거의 없었다. 그러나 21세기 들어서며 인도는 미국과 우주협력 관계로 진입하고 미국의 비 상용 위성을 인도발사체를 이용한 발사가 가능하게 되었다. 반면 미국은 중국과의 우주발사체 협력은 물론 우주협력에 회의적이다. 본 논문에서는 인도와 중국 발사체에 적용된 미국의 미사일 비확산정책을 살펴보고 적용된 정책의 유사점과 상이점을 분석하여 우리나라 우주개발에 대한 시사점을 제시하고자 하였다.

• 한국실내디자인학회논문집
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• 제15권4호
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• pp.73-80
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• 2006

As ubiquitous technology(uT) is offered in the future space, human will find their life more convenient and prosperous, and the space efficiency will be improved with virtual displays within a limited space. In an living space with ubiquitous environments, all information of family members will be an essential source creating advanced future spaces both for users and for those maintaining the space. In recent studies of uT environment, development of scenario is mostly being carried out based on user and service. It is unsatisfactory, however, when it comes to the study of how these studies can be developed on the basis of architectural space. In this paper, we study about applying scenarios created through space analysis to suggest ways to predict the analysis of the relationship between digital devices/services and the building elements based on physical space with uT and to offer services smoothly to uT environment, intelligent devices and their users.

• 한국실내디자인학회:학술대회논문집
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• 한국실내디자인학회 2003년도 춘계학술발표대회 논문집
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• pp.178-182
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• 2003

New space concept is gaining attention by the change of information and digital technology. It is called a concept of ubiquitous space which is united physical space and digital space. A united into a new space which is called ubiquitous space. It is an emerging concept of new era which is already applied in some part of our daily life the advanced. The advanced technology can help people to realize ubiquitous space including u-health care. Through analysis of characteristics of u-health care space, I am going to suggest new concept of ubiquitous space which is called u-space. It can make change of conventional health care space to vitalized new space and help people's life to be affluent.

• 한국정보시스템학회:학술대회논문집
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• 한국정보시스템학회 2005년도 추계학술대회 발표 논문집
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• pp.349-358
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• 2005

Recently, developing U-City as an integrated set of ubiquitous spaces has been regarded as a promising field in realizing ubiquitous computing technology. However, well-organized requirement analyses of U-City to declare what kinds of ubiquitous space services are needed and which ubiquitous computing technology should be incorporated to come up with the needs are still insufficient. Hence, the aims of this Paper are to Propose a set of unique U-City construction philosophies and to analyze which services Should be offered in the ubiquitous Space services in U-Cities. A field survey to the citizens who are potential end users of the ubiquitous space services was conducted to analyze the success factors of U-City using CSF methodology. Focused group interview with professionals in the field of ubiquitous computing technology in Korea was then performed to identify the relationship of the ubiquitous space services and the critical success factors.

• 한국IT서비스학회지
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• 제10권4호
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• pp.309-321
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• 2011

The u-City construction plan being executed presently involves such problem that services are provided in a suppliers-oriented direction while there are not much discussions on what u-Services citizens should be provided with and what u-Services that city government the supplier shall provide. In order to implement citizen-friendly u-Services the type of u-Services that offer just the right services efficient and convenient for citizens, u-Services should be provided based on active researches on the citizens' use and utilization of u-Services rather than u-Services being provided in suppliers' perspective as so far. To that end, there need be recognition and well-organized methodology that u-Services should be provided through humane, social and scientific analysis of the citizens that are to be provided with u-Services. Thus, in this study, the process of u-Services being transmitted was re-interpreted as background theory to deduce and apply services appropriate for u-Residential Space, and service science for u-Services the scientific and overall approach to seek for service innovation was applied to the development of u-Service deduction method based on such background theory. The u-Service methodology developed based on service science is judged able to deduce and provide u-Services appropriate for the intended services through scientific analysis of citizen-friendly u-Services.

• 대한수학회논문집
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• 제21권2호
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• pp.261-272
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• 2006

In this paper, we define the sequence spaces: $[V,{\lambda},f,p]_0({\Delta}^r,E,u),\;[V,{\lambda},f,p]_1({\Delta}^r,E,u),\;[V,{\lambda},f,p]_{\infty}({\Delta}^r,E,u),\;S_{\lambda}({\Delta}^r,E,u),\;and\;S_{{\lambda}0}({\Delta}^r,E,u)$, where E is any Banach space, and u = ($u_k$) be any sequence such that $u_k\;{\neq}\;0$ for any k , examine them and give various properties and inclusion relations on these spaces. We also show that the space $S_{\lambda}({\Delta}^r, E, u)$ may be represented as a $[V,{\lambda}, f, p]_1({\Delta}^r, E, u)$ space. These are generalizations of those defined and studied by M. Et., Y. Altin and H. Altinok [7].

• 한국전산구조공학회:학술대회논문집
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• 한국전산구조공학회 2008년도 정기 학술대회
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• pp.538-543
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• 2008

Urban development and industrialization cause many problems on urban environment such as climate changes, natural disasters and a decreasing number of species. Problems on urban environment are the main factor of that lower the quality of life and obstruct continual development. As a result, eco space becomes the important part of a urban planning. This research, building plan U-Eco city which is establishing with the clean environment and high technology for solve the development thoughtless for the city environment problem and ecological problem. We suggest U-Eco space system which accreted with Ubiquitous technology to three physical divisions, which are lithosphere (land), hydrosphere (water), and aerosphere (air), that interact with the whole biosphere by forming the system. It has composed with U-Green belt that corresponds to lithosphere, U-Blue belt that is applicable to hydrosphere, and U-White belt that comes under aerosphere.

• 음성과학
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• 제6권
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• pp.33-44
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• 1999

This paper aims to analyze whether the phenomenon of /u/$\rightarrow$/i/ is a hypercorrection or not in the North Korean dialects. Most North Koreans pronounce /i/(gold) as /kum/ because the vowel /i/ merges into the peripheral vowel space of /u/ in their dialects. The merger of back vowel is one of most distinctive characters in North Korean dialects. But some speakers pronounce /chubann/(exile) as /chiban/. This time /u/ in peripheral space moves to /i/ in central vowel space. It seems that the vowels /i/ and /u/ exchange places with each other when they uttered in North Korean. Though it was observed that the vowel movement of /i/$\rightarrow$/u/ was caused by the merger of back vowels, the reason why vowel /u/ moves in the opposite direction, that is, the central space of vowel /i/ has not been analyzed yet. This experiment starts with hypothesis that the movement of /u/$\rightarrow$/i/ might be caused by hypercorrection. The first step of this research is to analyze /u/$\rightarrow$/i/ pronunciation of North Koreans. The second step is to compare the results of North Korean pronunciation with those of South Korean pronunciation and observe whether tendency of /u/$\rightarrow$/i/pronunciation can also be found in the standard Seoul dialect and other South Korean dialects.

• Spatial Information Research
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• 제18권2호
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• pp.77-88
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• 2010

U-City 서비스로 대표되는 첨단 공간서비스는 그동안 10여년의 많은 노력과 예산투자의 결과로 가시화된 국토정보화(National Digitalization)의 결실로서 평가될 수 있다. U-City서비스는 정보통신기술을 근간으로 하고 있으나 현실공간의 지능화 측면에서 그 개념상 공간정보와 또 그것을 기반으로 국토공간을 분석하고 활용하기 위한 국토 공간계획과 긴밀한 연계관계를 갖지 않을 수 없다. 그러나 아직까지 U-City서비스는 기존의 공간정보 및 공간계획과 명확한 상호관계 설정 및 각 분야간 계획, 구축 및 관리간 연계가 미흡한 실정에 있다. 따라서 본 연구의 주요 목적은 디지털융합시대의 국토 유비쿼터스화라고 하는 큰 명제하에 U-City서비스가 국토 공간정보 및 공간계획과 상호 유기적 연계관계를 가지고 발전할 수 있도록 하기 위한 디지털융합공간(Digital Convergence Space)의 신개념을 제안하고 그 구현을 위한 제도적 정비방안을 제시하는데 있다.

• Kyungpook Mathematical Journal
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• 제27권1호
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• pp.27-33
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• 1987

Minimal s-Urysohn and minimal s-regular spaces are studied. An s-Urysohn (respectively, s-regular) space (X, $\mathfrak{T}$) is said to be minimal s-Urysohn (respectively, minimal s-regular) if for no topology $\mathfrak{T}^{\prime}$ on X which is strictly weaker than $\mathfrak{T}$, (X, $\mathfrak{T}^{\prime}$) is s-Urysohn (respectively s-regular). Several characterizations and other related properties of these classes of spaces have been obtained. The present paper is a study of minimal P-spaces where P refers to the property of being an s-Urysohn space or an s-regular space. A P-space (X, $\mathfrak{T}$) is said to be minimal P if for no topology $\mathfrak{T}^{\prime}$ on X such that $\mathfrak{T}^{\prime}$ is strictly weaker than $\mathfrak{T}$, (X, $\mathfrak{T}^{\prime}$) has the property P. A space X is said to be s-Urysohn [2] if for any two distinct points x and y of X there exist semi-open set U and V containing x and y respectively such that $clU{\bigcap}clV={\phi}$, where clU denotes the closure of U. A space X is said to be s-regular [6] if for any point x and a closed set F not containing x there exist disjoint semi-open sets U and V such that $x{\in}U$ and $F{\subseteq}V$. Throughout the paper the spaces are assumed to be Hausdorff.