• Title/Summary/Keyword: Macro data

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Environmental Survey Data Analysis by Data Fusion Technique

  • Cho, Kwang-Hyun;Park, Hee-Chang
    • 한국데이터정보과학회:학술대회논문집
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    • 2006.11a
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    • pp.21-27
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    • 2006
  • Data fusion is generally defined as the use of techniques that combine data from multiple sources and gather that information in order to achieve inferences. Data fusion is also called data combination or data matching. Data fusion is divided in five branch types which are exact matching, judgemental matching, probability matching, statistical matching, and data linking. Currently, Gyeongnam province is executing the social survey every year with the provincials. But, they have the limit of the analysis as execute the different survey to 3 year cycles. In this paper, we study to data fusion of environmental survey data using sas macro. We can use data fusion outputs in environmental preservation and environmental improvement.

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A Study on the Automated Drawing and Grading of a man′s DURUMAGI by Apparel CAD SYSTEM (어패럴 CAD SYSTEM을 이용한 남자 두루마기의 자동제도 및 그레이딩에 관한 연구)

  • 한문정;송명견
    • Journal of the Korean Society of Clothing and Textiles
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    • v.24 no.6
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    • pp.799-809
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    • 2000
  • This study was designed for automated pattern drawing and grading a man's Durumagi, Korean traditional coat in order to reestablished and grade the pattern by Apparel CAD SYSTEM. For the study, AM-250 systems of Gerber as the computer and Macro program as the automated drawing were used. Also, PDS(Pattern Design System) was used for the grading of the original Durumagi pattern. Results were followings; First, the size data that could be standardized by reestablishing the pattern of a man's Durumagi by each size was presented. Second, The pattern was developed by each size. Third, new design was propose for mass production with the traditional design of the DURUMAGI Fourth, The time for making DURUMAGI pattern and the cost through the automated drawings by using the Macro program were reduced. Moreover, was presented the basic data for a ready to made garment like the Western garment. Five, A man's DURUMAGI by CAD System was graded that could be applied to ready to made Hanbok

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Development of process-oriented education tool for Statistics with Excel Macro (엑셀 매크로를 이용한 절차 중심 통계교육도구 개발)

  • Choi, Hyun-Seok;Ha, Jeong-Cheol
    • Journal of the Korean Data and Information Science Society
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    • v.22 no.4
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    • pp.643-650
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    • 2011
  • Recently the needs for education on Statistics is growing bigger, but a mathematics-oriented education makes college students loose interest in Statistics. On the hypothesis that motivating interest is the key factor for learning, we need to develop an education tool for Statistics that makes learners to study independently but throughly. By using Excel Macro, we develop and introduce add-in program, called PETS, which supplies not only results but also process to get them.

Procedural Interface between Freehand Sketch-based Modeling System and Commercial MCAD (프리핸드 스케치 기반 모델링 시스템과 상업용 MCAD의 절차적 인터페이스)

  • Cheon, Sang-Uk;Mun, Du-Hwan;Kim, Byung-Chul;Han, Soon-Hung
    • Korean Journal of Computational Design and Engineering
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    • v.13 no.4
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    • pp.255-264
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    • 2008
  • Research that reconstructs a 3D model from a freehand 2D sketch has gained attention since 1990s, when data integration in the CAD/CAPP/CAM/CNC chain was an important issue. However, 2D sketches in the conceptual design phase have not been integrated with the downstream CAD/CAPP/CAM/CNC chain. In this paper, we present a method to interface a freehand sketch modeling to commercial CAD systems by mapping a sketch modeling history to the macro parametric history. We use an extended ISO10303-112 standard to represent the modeling history in a gestural modeling system and translate sketch files to neutral macro files. Macro parametric translators are used to translate netural macro files to commercial CAD files.

A Study on the Performance Enhancement of the Macro Handover in HMIP According to Protocol Layers

  • Woo, Jong-Jung;Ahn, Chi-Hyun
    • Journal of information and communication convergence engineering
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    • v.8 no.2
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    • pp.168-172
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    • 2010
  • The Network-based handover still has problems such as the transmission delays and the packet losses in the case of macro mobility, though technological advances have been made in the wireless and mobile communication. For end-to-end handover, the link bandwidth has been reduced in the wireless network due to its burst errors and congestion control. To overcome such problems, we propose a new scheme of the macro handover according to the protocol layer. The proposed macro handover is implemented on the network layer to partially substitute wired signaling for wireless signaling, to flexibly employ buffers, and on the transport layer to postpone its retransmission time. We have performed extensive simulation using ns-2 and the result shows that our proposed scheme outperforms the other existing schemes in terms of transmission delay, packet loss, and data transfer rate during the handovers.

An Example of Participatory Statistics Class Using Excel Macro (엑셀 매크로(MACRO) 기능을 이용한 통계학 참여수업의 예)

  • Lee, Joung-Yong
    • The Korean Journal of Applied Statistics
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    • v.21 no.2
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    • pp.355-359
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    • 2008
  • In order to make students more interesting in statistics class, a small visual basic program is introduced. This program, which can be executed through the Excel Macro, can immediately collect many individual questionnaire files that were filled up by participatory students and consolidate into one Excel worksheet.

A CMOS Macro-Model for MRAM cell based on 2T2R Structure (2-Transistor와 2-Resister 구조의 MRAM cell을 위한 CMOS Macro-Model)

  • 조충현;고주현;김대정;민경식;김동명
    • Proceedings of the IEEK Conference
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    • 2003.07b
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    • pp.863-866
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    • 2003
  • Recently, there has been growing interests in the magneto-resistive random access memory (MRAM) because of its great potential as a future nonvolatile memory. In this paper, a CMOS macro-model for MRAM cell based on a twin cell structure is proposed. The READ and WRITE operations of the MTJ cell can be emulated by adopting data latch and switch blocks. The behavior of the circuit is confirmed by HSPICE simulations in a 0.35-${\mu}{\textrm}{m}$ CMOS process. We expect the macro model can be utilized to develope the core architecture and the peripheral circuitry. It can also be used for the characterization and the direction of the real MTJ cells.

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A Dedicated CAM for Welding Automation System in Assembly Line at Shipyards (조선 대조립 용접라인의 CAD/CAM 시스템 적용)

  • Kim, Eun-Jung;Lee, Si-Youl;Kim, Byung-Su;Park, Jin-Hyung;Park, Young-Jun
    • Proceedings of the KSME Conference
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    • 2003.11a
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    • pp.1757-1762
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    • 2003
  • For coping with various ship types easily, welding automation using CAD/CAM is demanded and and developed. In this paper we propose a dedicated CAM system which generates MACRO files to control robot manipulators. The paper contains CAD interface, virtual simulation, macro generation and job schedulling. At first, it defines and extracts weldline from CAD data, and generates proper MACRO programs. And it obtains optimum job schedules. This system removes the manual work, and consequently reduces the overall lead time. And it reduces costs and time for developing robot welding programs. This can be expanded to virtual factory simulation technology. Moreover, it is possible to apply this system for automation of Cutting and Painting

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Long-Run Behavior of R&D Investment and Economic Growth : A Macro-Econometric Model

  • Shin, Tae-Young
    • Proceedings of the Technology Innovation Conference
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    • 2004.02a
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    • pp.83-107
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    • 2004
  • This study investigates how and through which channels R&D activities influences the national economy, using a macro-econometric model. The macro-econometric model in this study includes 24 behavioral equations and 25 identities and was estimated using the annual data. From a simulation analysis, it is shown that the R&D investment has a permanent effect on real variables; lowering prices, wages and interest rates, and increasing potential and real GDP in the long run. It is noted that the national account was recalculated to avoid double-counting in estimation of R&D stocks.

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Effects of Forcing Data Resolution in Macro Scale River Discharge Simulation

  • Tachikawa, Yasuto;Shrestha, Roshan
    • Proceedings of the Korea Water Resources Association Conference
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    • 2002.05b
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    • pp.1179-1186
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    • 2002
  • Macro scale distributed hydrological models simulate river discharge with better accuracy but it depends upon the grid resolution of input data. Effects of different input resolutions are studied here. Three different grid resolution input data obtained from HUBEX-IOP EEWB data and GAME Re-analysis data are used to simulate river discharge and compared against the observed one. CAME Re-analysis 1.25-degree resolution data are found quite satisfactory in larger basins, while HUBEX-IOP EEWB 10-minute resolution data are better for small catchments. GAME Re-analysis 2.5-degree resolution data did not give good result. Simulated results by using spatially interpolated data are rather worse than using original data. The Huaihe River basin $(132350\textrm{km}^2)$ is taken as the case of study.

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