• Title/Summary/Keyword: planning sizes

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Sample Size Determination and Evaluation of Form Errors

  • Chang, Sung Ho;Kim, Sunn Ho
    • Journal of Korean Society for Quality Management
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    • v.22 no.3
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    • pp.85-98
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    • 1994
  • In current coordinate measuring machine practice, there are no commonly accepted sample sizes for estimating form errors which have a statistical confidence. Practically, sample size planning is important for the geometrical tolerance inspection using a coordinate measuring machine. We determine and validate appropriate sample sizes for form error estimation. Also, we develop form error estimation methods with certain confidence levels based on the obtained sample sizes in various form errors: straightness, flatness, circularity, and cylindericity.

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Reverse link analysis of CDMA cellular systems with mixed cell sizes (혼합된 셀 크기를 갖는 CDMA 셀룰라 시스템에서 역방향 링크 용량 분석)

  • 전형구;신성문;권수근;강창언
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.25 no.4A
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    • pp.481-488
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    • 2000
  • The demands for mobile communication service are growing rapidly. In heavily populated areas, cell split is unavoidable to increase the capacity of the cellular system. Cell splitting makes a cellular system to have mixed cell sizes. For cell planning, it is necessary to analyze the reverse link capacity of a CDMA cellular system with mixed cell sizes. In this paper, we propose a method to calculate the reverse link capacity of a CDMA cellular system with mixed cell sizes. When a macro cell is split into three micro cells, as an example, we calculate the reverse link capacities for the three micro cells and the neighboring macro cells. The results show that as the radius of a micro cell decreases, the reverse link capacity of the micro cell increases, while those of the neighboring macro cells decrease.

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Color Assortment Decision Factors Considered by Women's Clothing Merchandisers in Korea & United States

  • Kang, Keang-Young
    • Journal of Fashion Business
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    • v.12 no.6
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    • pp.34-45
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    • 2008
  • This research was designed to find decision factors through color assortment planning process by Korean women's clothing merchandisers and to look for if there exists difference with American women's clothing merchandisers. A merchandise assortment is a collection of various quantities of styles, colors, sizes, and prices of related merchandise, usually grouped under one classification within a department. The subjects were 20 women's clothing merchandisers who work for clothing retail stores from 5 to 22 years in US and Korea. The authoring process was done for qualitative data analysis. The decision factors of color assortment planning were identified with four stages; information search, qualitative evaluation, quantitative evaluation, and selection. There were differences of color assortment decision factors due to different business types, business sizes, fashion-ability, sourcing ways, and merchandise turnover. Noticeable color assortment decision factor differences caused by country difference were not found except considering the target market ethnicity and skin color in US market. Korea merchandisers seem to be more sensitive to present sales data usages and spot order availability in color assortments because of more local production use than American merchandisers.

A radio-tracking study of home-range of the Korean raccoon dog(Nyctereutes procyonoides koreensis) (원격무선추적을 통한 한국너구리(Nyctereutes procyonoides koreensis)의 행동권 연구)

  • Kim, Baek-Jun;Choi, Tae-Young;Park, Chong-Hwa;Kim, Young-Jun;Lee, Hang
    • Proceedings of the Korean Society of Environment and Ecology Conference
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    • 2007.04a
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    • pp.136-142
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    • 2007
  • The main aim of this study is to estimate home-range of the Korean raccoon dog(Nyctereutes procyonoides koreensis) at a rural area of Gurye in the southern part of South Korea. A radio-tracking was regularly carried out on 4 raccoon dogs for 2 days every 2 months in 2006. During the days, the radio-tracking was usually conducted every 1-3 hours through day-time to night-time. Among the 4 raccoon dogs, 2 individuals(a permanent breeding pair) could be extensively tracked for 5 to 7 months, including all 4 seasons. The result showed that total home-range sizes of the pair were 0.732 $km^2$ and 0.373 $km^2$ for 100% minimum convex polygons(MCP) and 100% kernel(K), respectively, during the monitoring period. Mean home-range sizes of the 2 raccoon dogs were 0.035-0,688 $km^2$ and 0.012-0.341 $km^2$ for MCP and K, respectively. Yearly home-range sizes of the male and female were similar to each other. However, home-range sizes of the raccoon dogs between day-time and night-time were quite different. Furthermore, the raccoon dogs showed a much broader home-range size in spring, summer and fall than in winter season. Finally, the pair had a broad overlapping home-range(about 70-95%), and 1 core area and 4 different feeding areas.

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A Study on Size and Spatial Composition of Culture & Art Centers (지방 문예회관의 규모와 공간구성에 관한 연구)

  • Lee, Eul-Gyu
    • Journal of the Korean Institute of Rural Architecture
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    • v.4 no.1
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    • pp.61-70
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    • 2002
  • The purpose of this paper is to find out and discuss architectural factors for planning the cultural facilities for performing art. For the purpose, the Culture & Art centers in major cities are investigated. The investigation focuses on the analysis of efficient utilization and spatial composition of the Culture & Art centers. Generally the cultural facilities must be located on the site where people can easily access, and should have various kinds and sizes of rooms which people can use for various activities. However, most of the investigated Culture & Art centers are apart from the downtown of the cities, and do not provide the varied spaces. In particular, the sizes of performing halls are too large, and this makes the ratio of room use frequency and the occupancy of seat to be low. To encourage people to use the Culture & Art Centers, the program managers should arrange various programs which reflect the needs of people, and the clients and designers should decide proper room sizes and functions through appropriate analyses of the facilities.

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Analysis and critical estimation of top-ten mineral-raw products mining and export in the Republic of Kazakhstan since Independence in 1991. Priorities of Development. Strategic planning of the East Kazakhstan mining enterprises development

  • Bukayeva, A.D.
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.4 no.2
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    • pp.21-58
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    • 2009
  • The Purpose of this study is working out of the scientific-theoretical and practical recommendations directed on perfection of strategic planning of development of the enterprises of mining and gold mining branch. The methodological basis of research is based on the economic theory developed by a domestic and foreign science. At processing, generalisation and a writing of materials of the master's thesis following methods were applied: - supervision, - comparison, - the analysis and synthesis, - methods of an induction and deduction, - statistical groupings, - average and relative sizes, - the system approach. Finally, the theoretical and practical importance of this research consists that results of research will allow generating a basis of statement of effective system of strategic planning of a long-term sustainable development of the gold mining enterprises reducing risk of acceptance of inefficient strategic decisions. I would like to express many thanks to the NGO "Semey- My Home" and "EastGeoResources" LLP for their help and support in providing the data collection and data analysis stages of my research from 2006.

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Landowner's views on their agricultural land uses in an urban area : The case of Seoul (도시지역내 농지소유자의 농지이용 의향 분석 - 서울특별시의 사례를 중심으로 -)

  • Hwang, Han-Cheol;Park, Sun-Yong;Choi, Soo-Myung
    • Journal of Korean Society of Rural Planning
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    • v.6 no.1 s.11
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    • pp.50-58
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    • 2000
  • In spite of importance of the farm area in the city, the urbanization and industrialization strongly results in decrease of the farm area. The purpose of this study is to establish an effective way of agricultural land uses by examining on the intention of the farmers based on the survey in Seoul area. The areas, the agricultural types, the landowner's ages, and farm land sizes, were surveyed and analyzed with respect to urban agricultural planning and land use planning. All the collected data were basically analyzed with Contingency Table and Chi-square Test using SAS statistical package. The structures of the intention of agricultural land uses were understood with the comparative analyses of the agricultural land owners, the agricultural land leaseholders, the areas, landowner's ages, farming types, and so on.

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A Capacity Expansion Planning Model for Single-Facility with Two Distinct Capacity Type (두개의 차별적인 용량형태를 갖는 단일설비에 대한 용량 확장계획 모형)

  • Chang, Suk-Hwa
    • Journal of Korean Institute of Industrial Engineers
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    • v.16 no.1
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    • pp.51-58
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    • 1990
  • A deterministic capacity expansion planning model for a two-capacity type facility is analyzed to determine the sizes to be expanded in each period so as to supply the known demands for two distinct capacity type(product) on time and to minimize the total cost incurred over a finite planning horizon of T periods. The model assumes that capacity unit of the facility simultaneously serves a prespecified number of demand units of each capacity type, that capacity type 1 can be used to supply demands for capacity type 2, but that capacity type 2 can't be used to supply demands for capacity type 1. Capacity expansion and excess capacity holding cost functions considered are nondecreasing and concave. The structure of an optimal solution is characterized and then used in developing an efficient dynamic programming algorithm that finds optimal capacity planning policy.

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Automatic Generation of Character-Specific Roadmaps for Path Planning in Computer Games (컴퓨터 게임에서의 경로 계획을 위한 캐릭터별 로드맵의 자동 생성)

  • Yu, Kyeon-Ah
    • Journal of Korea Multimedia Society
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    • v.11 no.5
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    • pp.692-702
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    • 2008
  • Path planning is gaining more weight in computer games and virtual reality as the number of self-moving characters increases. In the roadmap approach, the map of possible paths is built in advance to plan paths for a character, whose advantage is to provide high-quality paths. On the other hand, a disadvantage is that the road map doesn't reflect properties of characters such as their sizes because they move on the same map once the road map is constructed. In this paper we propose an efficient method to build a different road map for each character so that it can use its own map for path-planning. This method is efficient because the whole map is built once by applying the Visibility Graph regardless of the number of characters and walkable paths are incrementally inserted according to the sizes of characters. The effects of using separate roadmaps are demonstrated through simulations and the trade-offs accompanied with these effects are analyzed.

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The Apparel Sizing System of the Lower Garments for Early Adolescent Boys (청소넌 전기 남학생의 하의 치수 체계에 관한 연구)

  • Kim, Kyung-A;Uh, Mi-Kyung;Suh, Mi-A
    • The Research Journal of the Costume Culture
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    • v.16 no.2
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    • pp.278-292
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    • 2008
  • The purpose of this study is to propose apparel sizing system for each body shape of early adolescent boys. The subjects of this study were 549 boys in the capital area. Their body shapes were classified based on 47 anthropometric measurements, 43 photographic measurements and 10 indexed measurements. The apparel sizing system was proposed for each body shape. For data analysis were performed descriptive statistics, correlation analysis and crosstabulation using SPSS Ver. 12. The control dimensions to propose apparel sizing system were stature and waist circumference for the lower garments. Intervals between sizes were 5cm for stature and irregular for waist circumference. For each type, $5{\sim}8$ sizes were proposed for lower garments. Reference measurements suggested fur lower garments were 7 items. This study is meaningful in that it proposed apparel sizing system for each type of body shape. The results of this study are expected to contribute to planning sizes according to the type of body shape and improving the fitness of ready-made clothes in apparel and school uniform manufacturers.

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