• 제목/요약/키워드: sufficiency

검색결과 561건 처리시간 0.028초

에이전트 기반 모의를 이용한 방위충분성 기동전단 전력판단 연구 (A Study on War Potential Judgement of Defense Sufficiency Task Group Using Agent-Based Modeling and Simulation)

  • 김영진;이재영
    • 한국경영과학회:학술대회논문집
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    • 한국경영과학회 2007년도 추계학술대회 및 정기총회
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    • pp.397-407
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    • 2007
  • 본 연구는 에이전트 기반 모의(ABMS:Agent Based Modeling and Simulation)을 이용하여 미래 주변국과의 불확실한 분쟁상황을 모의하고, 상황의 이해(Understandering)와 결과를 예측하여 주변국에 대한 방위충분성(Defense Sufficiency)이 고려된 기동전단의 전력수준을 판단하고 발전방향을 제시하는데 있다. 모의에 앞서 기존문헌과 관련자료, 연구사례를 통하여 ABMS의 이해를 증진하였으며, 방위충분성의 개념을 통하여 연구의 당위성을 제고하였고, 한국과 주변국의 해군력 현황을 살펴 보았다. 그리고 한국 기동전대와 주변국 전력의 분쟁상황을 ABS 모델 MANA(Map Aware Non-uniform Automata)로 모의하였다. 연구결과로 방위충분성 기동전단의 전력수준은 최소한 광개토-III급 4척과 충무공이순신급 $16p{\sim}20$척으로 구성된 $20{\sim}24$척으로 되어야 한다. 한국해군의 발전방향은 현재의 전력증강 계획과 더불어 광개토-III급 1척을 추가 계획하여야 하며 차기 호위함의 전력을 $10{\sim}14$척 규모로 추진해야할 것이다. 또한 차기호위함의 전투체계 능력은 충무공이순신급 이상의 수준으로 개발하여 기동전단 전력으로 활용하는 것이 타당할 것이다.

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도시네트워크 특성에 따른 신도시 경제적 자족성 기준 연구 (Economic Self-Sufficiency Criteria for New Town Planning by Network Characteristics)

  • 송영일;임주호
    • 토지주택연구
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    • 제7권4호
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    • pp.251-259
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    • 2016
  • 공간구조가 다핵분산형으로 전환되면서 도시 간 네트워크적 연계를 통한 경쟁력 강화가 중요한 이슈로 등장하고 있다. 이에 따라 지역거점으로서의 신도시 역할, 특히 적절한 산업기능의 확보가 필요하지만 현행 신도시의 경제적 기준은 규모에 따른 일괄적 기준을 제시하고 있어 권역 내 신도시의 위상을 반영하지 못하는 한계가 있다. 이에 본 연구는 기존 신도시에 대한 네트워크 분석을 통해 신도시 유형을 구분하고 이러한 유형과 규모에 따른 경제적 자족성 계획기준을 검토하였다. 연구방법으로는 국 내외 신도시 산업용지에 대한 사례 분석 및 1, 2기 신도시에 대한 네트워크 분석방법을 적용하였다. 네트워크 특성은 다양한 지표로 나타나는 바, 본 연구는 연결중심성, 근접중심성 지표를 활용하여 신도시의 네트워크적 위상에 따른 유형을 단핵집중형, 분산집중형, 모도시종속형으로 구분하였다. 이와 같은 유형구분을 바탕으로 신도시 규모별 자족시설용지 확보기준을 재검토하였다. 본 연구결과는 지속가능한 신도시계획기준 및 택지개발업무처리지침의 개선 및 개발계획 수립 변경을 위한 자료로 활용할 수 있다.

Average spectral acceleration: Ground motion duration evaluation

  • Osei, Jack Banahene;Adom-Asamoah, Mark
    • Earthquakes and Structures
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    • 제14권6호
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    • pp.577-587
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    • 2018
  • The quantitative assessment of the seismic collapse risk of a structure requires the usage of an optimal intensity measure (IM) which can adequately characterise the severity of the ground motion. Research suggests that the average spectral acceleration ($Sa_{avg}$) may be an efficient and sufficient alternate IM as compared to the more traditional first mode spectral acceleration, $Sa(T_1)$, particularly during seismic collapse risk estimation. This study primarily presents a comparative evaluation of the sufficiency of the average spectral acceleration with respect to ground motion duration, and secondarily assesses the impact of ground motion duration on collapse risk estimation. By assembling a suite of 100 historical ground motions, incremental dynamic analysis of 60 different inelastic single-degree-of-freedom (SDF) oscillators with varying periods and ductility capacities were analysed, and collapse risk estimates obtained. Linear regression models are used to comparatively quantify the sufficiency of $Sa_{avg}$ and $Sa(T_1)$ using four significant duration metrics. Results suggests that an improved sufficiency may exist for $Sa_{avg}$ when the period of the SDF system increases, particularly beyond 0.5, as compare to $Sa(T_1)$. In reference to the ground motion duration measures, results indicated that the sufficiency of $Sa_{avg}$ is more sensitive to significant duration definitions that consider almost the full wave train of an accelerogram ($SD_{a5-95}$ and $SD_{v5-95}$). In order to obtain a reduced variability of the collapse risk estimate, the 5-95% significant duration metric defined using the Arias integral ($SD_{a5-95}$) should be used for seismic collapse risk estimation in conjunction with $Sa_{avg}$.

자활사업 참여자의 수급 지위와 노동시장 지위 변동 (The Changes of Welfare and Labor Market Status of Participants of Self-sufficiency Support Program in Korea)

  • 백학영;조성은
    • 사회복지연구
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    • 제43권1호
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    • pp.143-178
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    • 2012
  • 본 연구는 2005년 경지지역 자활사업 참여자 전수조사 참여자들에 대한 추적조사를 통해 확보한 자료를 통해 자활사업 참여자들의 수급지위와 노동시장 지위변동의 특성을 분석하였다. 연구 결과, 자활사업 참여자의 상당수는 5년여가 지난 시점에서 자활에 성공한 것으로 나타났으며, 자활사업에서의 회전문 현상이나 자활의존 등은 미미한 것으로 나타났다. 그리고 자활사업이 참여자의 수급지위와 노동시장지위를 긍정적으로 변화시킨 성과를 보였다. 또한 자활공동체가 그 통로로서의 기능을 수행하고 있었다. 그러나 노동시장 진입, 즉 자활성공이 탈수급과 경제적 자립으로 이어지는 효과는 제한적이었다. 본 연구의 결과에 비추어 볼 때 앞으로의 과제는 자활사업 참여자의 개별 특성에 가장 적합한 경로를 찾아내고, 개인 차원뿐 아니라 가구단위의 지원을 구체화하여 좀 더 성과를 높일 수 있는 지원체계를 확립하는 것이다. 또한 노동시장에 대한 무조건적인 취업 확대가 아니라 취업 전후를 지속적으로 관리하여 질적인 보장을 담보할 수 있도록 노력이 필요하다.

허실보사(虛實補瀉)에 대한 문헌적(文獻的) 고찰(考察) (A Study on Deficiency Syndrome, Excess Syndrome, Reinforcing Method and Reducing Method)

  • 양광열
    • 대한한의학회지
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    • 제29권1호
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    • pp.200-206
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    • 2008
  • Objective : To establish a standard for discriminating between deficiency syndrome and excess syndrome and selecting reinforcing or reducing method. Methods :Deficiency syndrome and excess syndrome were divided into excess of pathogenic factor with sufficiency of vital energy syndrome, weakness of pathogenic factor with deficiency of vital energy syndrome and excess of pathogenic factor with deficiency of vital energy syndrome. Documentary survey was done for each case. Results : Excess of pathogenic factor with sufficiency of vital energy syndrome is an excess syndrome and a reducing method must be used. Weakness of pathogenic factor with deficiency of vital energy syndrome is a deficiency syndrome and a reinforcing method must be used. Excess of pathogenic factor with deficiency of vital energy syndrome is related to deficiency syndrome and a reinforcing method must mainly be used. Conclusions :Deficiency or sufficiency of vital energy is the standard for discriminating between deficiency syndrome and excess syndrome and selecting a reinforcing or reducing method.

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Japan's gastrodiplomacy as soft power: global washoku and national food security

  • Farina, Felice
    • Journal of Contemporary Eastern Asia
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    • 제17권1호
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    • pp.152-167
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    • 2018
  • Until recently, Japanese cuisine was known only for sushi and was still considered exotic outside the archipelago. However, today the number of specialized restaurants which serve other traditional foods is constantly increasing all over the world, making Japanese gastronomy one of the most influential. Japanese government has supported the promotion of national cuisine worldwide in different ways, making washoku (Japanese traditional cuisine) one of the main elements of Japan's soft power and cultural diplomacy. In this paper, I will analyse the connection between Japan's gastrodiplomacy, defined as the use of typical food and dishes as an instrument of soft power, and Japan's food security strategy. I will argue that the strategy of promotion of washoku worldwide is not a mere act of popularization of Japanese food but it is strictly related to the issue of the low self-sufficiency rate of the country, as the main objective of the government is the raise of food export, in order to foster agricultural production and improve self-sufficiency.

A Sanov-Type Proof of the Joint Sufficiency of the Sample Mean and the Sample Variance

  • Kim, Chul-Eung;Park, Byoung-Seon
    • Journal of the Korean Statistical Society
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    • 제24권2호
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    • pp.563-568
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    • 1995
  • It is well-known that the sample mean and the sample variance are jointly sufficient under normality assumption. In this paper a proof of the joint sufficiency is given without using the factorization criterion. It is related to a finite Sanov-type conditional theorem, i.e., the conditional probability density of $Y_1$ given sample mean $\mu$ and sample variance $\sigma^2$, where $Y_1, Y_2, \cdots, Y_n$ are independently and identically distributed (i.i.d.) normal random variables with mean m and variance $\delta^2$, equals that of $Y_1$ given sample mean $\mu$ and sample variance $\sigma^2$, where $Y_1, Y_2, \cdots, Y_n$ are i.i.d. normal random variables with mean $\mu$ and variance $\sigma^2$.

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영구임대아파트 자족지원시설 수요 및 설계 연구 -인천 만수주공 7단지를 사례로- (The Study on a Residents' Demands of Support Facilities for Self-sufficiency and Design of Permanent Rental Housing -With Reference to Man-soo 7 Estate in Incheon-)

  • 박병규;김민경
    • KIEAE Journal
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    • 제10권1호
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    • pp.11-18
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    • 2010
  • Permanent rental housing complex is subjected to both an increase in the crime rate due to its residential population structure and social, economic isolation for insecurd income of the residents. It should be considered that the densely populated area with low-income group of the city causing many problems related with the community. This study focused on the Man-soo 7 housing estate in Incheon with the area's average scale and ratio is made as an effort to include the residents who live in the permanent rental housing area among the members of the healthy community. The result of the research suggests the method of housing improvement to establish the successful support institution for self-sufficiency of the low income inhabitants analazying the demand of the residents through a survey categorized into resident support system, public workplace and inhabitant participation.

맥류 생산 수급 전망과 대책 (Prospect of Wheat and Barley Production, Consumption and Supply in Korea)

  • 박문웅;하용웅
    • 한국작물학회:학술대회논문집
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    • 한국작물학회 1998년도 21세기 한반도 농업전망과 대책(한국작물학회.한국육종학회 공동주관 심포지움 회보)
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    • pp.233-248
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    • 1998
  • Food Self-sufficiency rate in Korea was 26.4 percent in 1996. It include $89.9{\%}$ for rice, $99.6{\%}$ for root and tuber crops, and $73.5{\%}$ for barley. To make things worse, self-sufficiency for wheat and corn were far less than 1 percent. As food is considered as weapon, every effort should be given to increase the self-sufficiency. In order to cope with expected food crisis, we suggest wheat and barley be grown in winter period, where there is climate fit. The aim of this paper is to survey systematically the status of food supply and demand of wheat and barley and to encourage farmers make double cropping systems with better stability in yield and economic return.

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Sufficiency of the spectral shape in predicting peak and cumulative structural earthquake responses

  • Abdollahzadeh, Gholamreza;Sazjini, Mohammad
    • Earthquakes and Structures
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    • 제15권6호
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    • pp.629-637
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    • 2018
  • In recent years, selection of strong ground motion records by means of intensity measures representing the spectral shape of the earthquake excitation has been studied by many researchers. These studies indicate the adequacy of this record selection approach in reduction of the scattering of seismic responses. In present study, this method has been studied more in depth to reveal the sufficiency of the spectral shape in predicting structural seismic responses such as the plastic deformation and the dissipated hysteresis energy which are associated with cumulative properties of the selected records. For this purpose, after selecting the records based on the spectral shape, the correlation of some seismic responses and strong ground motion duration of earthquake records are explored. Findings indicate strong correlation of some structural responses with the significant duration of the records. This fact implies that the spectral shape could not reflect all characteristics of the strong ground motion and emphasizes the importance of additional criteria along with the spectral shape in the record selection.