• Title/Summary/Keyword: supporting program

Search Result 775, Processing Time 0.025 seconds

멀티미디어 홈 네트워크 실현을 위한 WLAN 기반의 A/V 전송용 변복조 모뎀 설계 (Design of WLAN-based A/V System for Multimedia Home Networks)

  • 이연성;김현식;위정욱;백종호
    • 한국정보통신설비학회:학술대회논문집
    • /
    • 한국정보통신설비학회 2008년도 정보통신설비 학술대회
    • /
    • pp.327-330
    • /
    • 2008
  • This paper shows an implementation of WLAN-based Audio/Video(A/V) system for multimedia home networks. Proposed WLAN-based A/V system can transmit multimedia data of high quality. The entire system consists of a 16-bit RISC controller, a program ROM, a SRAM, timers, an interrupt controller, a DART, GPIOs, an I2C and the OFDM modem supporting for the IEEE 802.11g standard. The simple MAC functions are implemented by firmware on an embedded 16-bit RISC controller. The OFDM modem supports a complete set of data rates up to 54Mbps. Proposed the system is implemented by an Altera FPGA EP1S60F1020C6 device, a 10-bit 2-ch DAC, a 10-bit 2-ch ADC and RF/IF chips.

  • PDF

과학기술 정책의 과학화 서비스 개발에 관한 연구 (A Study on Developing Science Service of Science and Technology Policy)

  • 신문봉;전승수;황보택근
    • 한국IT서비스학회지
    • /
    • 제11권1호
    • /
    • pp.83-92
    • /
    • 2012
  • The development of science and technology oriented knowledge society accelerates the convergence between scientific theory and industrial technology and increases the complexity problem of social and economic sectors. These cause the difficulty of securing the reliability and objectivity of science and technology policy. These also are barriers of balanced evaluation between rational science and technology policy making, management, and policy coordination. In this regard, Advanced countries in science and technology develops policy support system and promotes the program of evidence-based SciSIP(Science of Science and Innovation policy) together. This paper introduces a new approach developing science service of science and technology policy utilizing business intelligence technology in Korea. Also, it proposes the integration method of policy knowledge base and component-based service supporting S&T policy decision-making process and introduces services case studies.

농업생산공간 경관의 효율적 관리를 위한 경관구성요소 분류에 관한 기초 연구 (A Study on the Classification of Landscape Elements for Effective Management of Agricultural Landscape)

  • 채혜성;김혜민
    • 농촌계획
    • /
    • 제11권3호
    • /
    • pp.1-9
    • /
    • 2005
  • Recently, it is demanded to study about agri-environmental indicators including rural landscape indicators. However, there are deficiency to establish the policy of int landscape. This is the base study for the policy decision or management for conservation of agricultural landscape or rural landscape. The objectives of this study were 1) to analyze the supporting elements in the foreign policies, 2) to analyze the agricultural landscape elements and visual values in the field and 3) to make the classification form about the agricultural landscape. And finally, this study suggests the management guides for the conservation of agricultural landscape according to the teleological measures. Through this results, it would be expected to develop the efficient policy of rural landscape such as the direct payment program for rural landscape conservation.

대구 지하철 터널의 적정지보패턴 선정에 관한 연구 (Optimum Support Pattern Design of the Tae-Gu Subway Tunnel)

  • 지왕률;최재진
    • 터널과지하공간
    • /
    • 제4권2호
    • /
    • pp.119-131
    • /
    • 1994
  • This is a Double-Track Railway tunnel in typical Tae-Gu black and gray shale forming part of the No.1 Line of the Tae-Gu Subway. The main fault zone at tunnel is a moderately to highly weathered and closely jointed zone, 0.5 m wide with associated paralled jointing which is slickensided and fractured. After excavation by blasting, the soft rocks should need to be reinforced with optimal supporting pattern which might be better redesigned through the consideration of the results of in-situ rock measurements at the field. Performances fo the field tests included Point Load Test, Schmidt Hammer Test, and field joint measurement gave the detail data for the optimum support design and safe excavation of the No.1 Line of Tae-Gu Subway at the No.1-7 consturction site adn the safety of this redesigned supports system was analysed by the FDM program FLAC.

  • PDF

소프트웨어 제품계열 아키텍처 설계 프로세스 (A Study on Software Product-Line Architecture Design Process)

  • 오영배
    • 한국IT서비스학회지
    • /
    • 제4권2호
    • /
    • pp.47-59
    • /
    • 2005
  • S/W product line is a S/W product or a set of S/W system, which has common functions. We can develop a specific S/W product, which satisfiesrequirements of a particular market segment and a mission in a specific domain by reusing the core asset such as the developed S/W architecture through the S/W product line. S/W development methodology based on the S/W product line can develop a S/W more easily and fast by reusing the developed S/W core asset. An advanced country of S/W technology selects S/W product line as a core field of S/W production technology, and support technology development. In case of USA, CMU/SEI (Carnegie Mellon University / Software Engineering Institute) developed product-line framework 4.0 together with the industry and the Ministry of National Defense. Europe is supporting the development of product line technology through ITEA(IT for European Advancement) program. In this paper, we aim to construct reference architecture of S/W product line for production of the S/W product line.

Seismic analysis and modeling of isolated elevated liquid storage tanks

  • Seleemah, Ayman A.;El-Sharkawy, Mohamed
    • Earthquakes and Structures
    • /
    • 제2권4호
    • /
    • pp.397-412
    • /
    • 2011
  • In this paper, the seismic response of elevated broad and slender liquid storage tanks isolated by elastomeric or sliding bearings was investigated. The accuracy of predictions of SAP2000 vs. 3D-BASIS-ME programs was examined. A comparative study of the performance of base isolated tanks when isolation bearings are placed at the top or at the bottom of the supporting tower structure was conducted. It was found that base isolation is quite effective in reducing the earthquake response of elevated liquid storage tanks in which high reductions of base shear and shaft displacement were achieved. Modeling the isolated tanks in SAP2000 was very successful in producing results that are nearly identical to those of program 3D-BASIS-ME. Placing the isolators at the top of the shaft in elevated tanks proved to be much better than placing them at the bottom.

풍화 손상 및 단면 결손에 따른 문화재 불단의 구조 안전성 평가 (Evaluation of Structural Safety of Cultural Property Altar due to Weathering Damage and Sectional Defection)

  • 이가윤;이성민;이기학
    • 한국공간구조학회논문집
    • /
    • 제18권4호
    • /
    • pp.23-30
    • /
    • 2018
  • The purpose of this study is to evaluate the structural safety of cultural altar since its bearing capacity has been questioned due to weathering damages and sectional defections. This evaluation process consists two stages; which the first is field investigation and the second is structural modeling and analysis. Based on field investigation, all of the structural members supporting the altar were carefully examined and all the findings were accounted for the development of the structural modeling using the Midas computer program. Using a 3D scanner, the weight of the Buddha statue was applied to the structural modeling. Then, according to the allowable stress design method of KBC2016, the structural safety was evaluated. Based on this result, replacements of several structural members were recommended to increase the structural safety and value of cultural property.

R을 이용한 구조방정식모델링: 분석절차 및 방법 (Structural Equation Modeling Using R: Analysis Procedure and Method)

  • 곽기영
    • 지식경영연구
    • /
    • 제20권1호
    • /
    • pp.1-26
    • /
    • 2019
  • This tutorial introduces procedures and methods for performing structural equation modeling using R. For this, we present the whole process of analyzing the structural equations model from the confirmatory factor analysis to the path diagram generation using the lavaan package, which is relatively well evaluated among the R packages supporting the structural equation modeling, together with the R program codes. Considering that research applying structural equation modeling techniques is the mainstream in a variety of social sciences, including business administration, and that there is growing interest in open source R, this tutorial focuses on researchers who are looking for alternatives to traditional commercial statistical packages and is expected that it will be a useful guidebook for them.

전략물자 수출통제 자율준수제도(CP)에 관한 한.일 비교 연구 (A Comparative Study on the Compliance Program(CP) of Strategic Export Control System between Korea and Japan)

  • 심상렬;소단;주이화
    • 통상정보연구
    • /
    • 제13권4호
    • /
    • pp.297-321
    • /
    • 2011
  • 수출자에게 이중용도 품목의 최종용도와 수요자 확인의무를 부여하는 상황허가(Catch-all) 제도가 본격 시행되면서 대량살상무기 (WMD) 확산 방지 등을 위한 기업의 전략물자 수출통제 자율준수제도(Compliance, Program: CP)에 대한 관심이 높아지고 있다. 일본은 아시아 최고의 전략물자 수출통제 국가로서 현재 1,600개 이상의 기업이 자율준수무역거래자로 지정되어 있다. 반면 한국은 2005년 자율준수무역거래자 제도가 도입되었음에도 불구하고 2011년 10월말 현재 148개 기업만이 자율준수무역거래자로 지정되어 있다. 본 논문은 한국과 일본의 전략물자 수출통제 자율준수제도의 발전과정, 주요 내용 및 현황에 대한 비교 분석을 통해 한국의 자율준수제도 개선방안을 다음과 같이 제시한다. 첫째, 전략물자 수출기업의 자율준수제도에 대한 긍정적인 인식 전환 노력이 시급하다. 둘째, 자율준수제도에 대한 신속한 정보 제공과 함께 홍보 및 교육이 강화되어 야 한다. 셋째, 자율준수제도 관련 정부 기업 간 커뮤니케이션이 활성화되어야 한다. 넷째, 자율준수제도의 발전 및 정착을 위한 한 일간 다각적인 협력방안의 모색이 필요하다.

  • PDF

Rhipe를 활용한 빅데이터 처리 및 분석 (Analysis of big data using Rhipe)

  • 고영준;김진석
    • Journal of the Korean Data and Information Science Society
    • /
    • 제24권5호
    • /
    • pp.975-987
    • /
    • 2013
  • 최근 Hadoop은 빅데이터의 저장, 처리 및 분석을 위한 표준시스템으로 인식되고 있으며, 많은 빅데이터 관련 시스템들이 Hadoop에 기반하여 구축되고 있다. 또한 R은 다른 소프트웨어와의 연동이 쉽고 다양한 분석 라이브러리들을 탑재하고 있어서 Hadoop 환경하에서 빅데이터의 분석을 위한 공통 분석 플렛폼으로 여겨지고 있다. 본 논문에서는 Hadoop 환경에서 분산 데이터 처리를 위한 R패키지인 Rhipe를 소개하고 빅데이터를 이용한 병렬 다중회귀분석을 위해 MapReduce 프로그램을 작성하는 방법을 예시하였다. 또한 시뮬레이션을 통해 기존의 대용량처리를 위한 R 분석패키지인 ff와 bigmemory와의 연산속도를 비교하였으며, 데이터의 크기가 커짐에 따라 Rhipe를 이용한 MapReduce 프로그램의 계산속도가 ff와 bigmemory에 비해 우수함을 확인하였다.