• Title/Summary/Keyword: study of patterns

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A Study on Logic Built-In Self-Test Using Modified Pseudo-random Patterns (수정된 의사 무작위 패턴을 이용한 효율적인 로직 내장 자체 테스트에 관한 연구)

  • Lee Jeong-Min;Chang Hoon
    • Journal of the Institute of Electronics Engineers of Korea SD
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    • v.43 no.8 s.350
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    • pp.27-34
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    • 2006
  • During Built-In Self-Test(BIST), The set of patterns generated by a pseudo-random pattern generator may not provide sufficiently high fault coverage and many patterns were undetected fault. In order to reduce the test time, we can remove useless patterns or change from them to useful patterns. In this paper, we reseed modify the pseudo-random and use an additional bit flag to improve test length and achieve high fault coverage. the fat that a random tset set contains useless patterns, so we present a technique, including both reseeding and bit modifying to remove useless patterns or change from them to useful patterns, and when the patterns change, we choose number of different less bit, leading to very short test length. the technique we present is applicable for single-stuck-at faults. the seeds we use are deterministic so 100% faults coverage can be achieve.

Weave Draft Designs Influenced by Geometric Patterns using a CAD Program (CAD 프로그램을 활용한 기하학 문양의 직물 디자인 종광설계)

  • Kim, Su-Mi
    • Fashion & Textile Research Journal
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    • v.16 no.1
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    • pp.43-54
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    • 2014
  • In textile industry, needs for various weave drafts have been increased to produce high qualified textile goods. One of disadvantages of traditional textile industry was spending time and money on manual sampling. Nowadays, however, weave draft design and sampling using CAD programs reduce these consumption efficiently. Therefore, this study aimed to provide high qualified woven fabrics by weave draft designs influenced by geometric patterns. First, We analyzed geometric patterns, except for dot, stripe, and checks, in fashion collections from 2009 to 2014 S/S. Then, based on these analyses, design concepts were decided. Third, weave drafts influenced by geometric patterns were designed with weave CAD program, TEX PRO 10.0 by Youngwoo CNI inc. Forth, We simulated fabrics woven by new drafts using CAD programs, depending on fibers, yarns, density of woven, colors, and finishes. Unclassified geometric patterns would be expressed by small size patterns that influenced by retro moods, square patterns with various color variation, zigzag lines, and pieces of puzzles. Three design concepts were decided as greenness, neoclassic, and romantic chic. Thus, geometric patterns for printing were created as drafts for general looms, and one repeat of each draft were provided. According to the design concepts, we designed 13 fabrics with 4 geometric patterns weaving drafts. All Drafts were designed with CAD programs. Finally, same drafts were simulated as woven fabrics for both S/S and F/W seasons by changing each element, such as fiber, yarns, density, colors, and finishes.

A Study on the Housing Adjustment Patterns of Korean Families - through the Microsociological approach - (한국가족의 주거조절양상 - 미시사회학적 접근으로 -)

  • 홍형옥
    • Journal of the Korean housing association
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    • v.5 no.2
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    • pp.1-14
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    • 1994
  • This study was made to analyze the housing adjustment patterns of Korean families through the Microsociological approach. General research model used in this study was similar to that used in the previous study (Hong. 1986. 1992. 1993. 1994), which is a modified version of housing adjustment theory developed by Morris and Winter(1978). In short this study was made to analize the housing adjustment pattern not in terms of external devision and uniformity but in terms of diversity and individuality of each family.

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The Correlation of Sensory Processing Type, Learning Styles and Learning Strategies for University Students (대학생의 감각처리 유형과 학습유형, 학습전략의 상관관계)

  • Hong, Soyoung
    • The Journal of Korean Academy of Sensory Integration
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    • v.16 no.3
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    • pp.11-21
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    • 2018
  • Objective : The purpose of this study is to investigate correlation of sensory processing patterns, learning styles and learning strategies for university students. Methods : Participants of this study are 115 students from K university in Busan, South Korea. Measurements are Adolescent/Adult Sensory Profile (AASP) for sensory processing patterns, the Study Process Questionnaire (SPQ) for learning styles, and the Motivated Strategies for Learning Questionnaire (MSLQ) for learning strategies. The data collected was analyzed by SPSS/WIN 20.0 for chisuare test and Pearson corelation coefficient. Results : For sensory processing patterns and learning styles, there were correlation between low registration type and surface type of learning (p=0.03), and between sensory seeking type and deep type of learning (p=0.02). For sensory processing patterns and learning strategies, sensory seeking type was correlated with organized learning strategy (p=0.00), and sensory sensitivity type was correlated with organizational learning strategy (p=0.03) and meta-cognitive learning strategy (p=0.00). Conclusion : This study found that there is correlation between sensory processing patterns, learning styles and learning strategies with implying learning styles and learning strategies can be different depends on sensory procession pattern. The results of this study can be used as a basic data to select learning type and learning strategy appropriate for an individual based on his or her sensory processing patterns.

귀문(龜文)의 배경(背景) 소고(小考)

  • Gu, In-Suk
    • Journal of the Korean Society of Costume
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    • v.9
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    • pp.75-88
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    • 1985
  • This study is on the expressive will of human beings by way of examining turtle patterns. Turtle represents spiritual, incantatory implications and the idea1s of long life and of fortune. From ancient to the present the turtle patterns have expressed various kinds of arts on these concepts. The researchs on the examples of turtle patterns are summed up as follows. 1. Single form of turtle shows a turtle wrapped by snakes and is generally regarded as a symbol of long life with respect to the mysteries of the Tao. 2. HyunMu type is of an imaginary animal which is wrapped by snakes. 3. Turtle shell type is hexagon accumulated 1ike successive bee-hives.

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Predicting Common Patterns of Livestock-Vehicle Movement Using GPS and GIS: A Case Study on Jeju Island, South Korea

  • Qasim, Waqas;Cho, Jea Min;Moon, Byeong Eun;Basak, Jayanta Kumar;Kahn, Fawad;Okyere, Frank Gyan;Yoon, Yong Cheol;Kim, Hyeon Tae
    • Journal of Biosystems Engineering
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    • v.43 no.3
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    • pp.247-254
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    • 2018
  • Purpose: Although previous studies have performed on-farm evaluations for the control of airborne diseases such as foot-and-mouth disease (FMD) and influenza, disease control during the process of livestock and manure transportation has not been investigated thoroughly. The objective of this study is to predict common patterns of livestock-vehicle movement. Methods: Global positioning system (GPS) data collected during 2012 and 2013 from livestock vehicles on Jeju Island, South Korea, were analyzed. The GPS data included the coordinates of moving vehicles according to the time and date as well as the locations of livestock farms and manure-keeping sites. Data from 2012 were added to Esri software ArcGIS 10.1 and two approaches were adopted for predicting common vehicle-movement patterns, i.e., point-density and Euclidean-distance tools. To compare the predicted patterns with actual patterns for 2013, the same analysis was performed on the actual data. Results: When the manure-keeping sites and livestock farms were the same in both years, the common patterns of 2012 and 2013 were similar; however, differences arose in the patterns when these sites were changed. By using the point-density tool and Euclidean-distance tool, the average similarity between the predicted and actual common patterns for the three vehicles was 80% and 72%, respectively. Conclusions: From this analysis, we can determine common patterns of livestock vehicles using previous year's data. In the future, to obtain more accurate results and to devise a model for predicting patterns of vehicle movement, more dependent and independent variables will be considered.

Crime Occurrence Patterns from the Perspective of Land-use

  • Kinashi, Machiko;Tan, Yen Xin
    • Proceedings of the Korea Contents Association Conference
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    • 2015.05a
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    • pp.17-18
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    • 2015
  • To improve urban safety there is an increasing social need for environmental design against crime, which is defined as the creation of inconvenient environments or situations for criminal offenders. By using a cluster analysis, we aimed to clarify crime occurrence patterns from the perspective of land-use. Osaka Prefecture was chosen as the study area because it has the highest crime rate in Japan. The results revealed that there are six patterns of crime occurrence, and that cities of medium-level of mixed land-use have the lowest crime rates.

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Mining Trip Patterns in the Large Trip-Transaction Database and Analysis of Travel Behavior (대용량 교통카드 트랜잭션 데이터베이스에서 통행 패턴 탐사와 통행 행태의 분석)

  • Park, Jong-Soo;Lee, Keum-Sook
    • Journal of the Economic Geographical Society of Korea
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    • v.10 no.1
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    • pp.44-63
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    • 2007
  • The purpose of this study is to propose mining processes in the large trip-transaction database of the Metropolitan Seoul area and to analyze the spatial characteristics of travel behavior. For the purpose. this study introduces a mining algorithm developed for exploring trip patterns from the large trip-transaction database produced every day by transit users in the Metropolitan Seoul area. The algorithm computes trip chains of transit users by using the bus routes and a graph of the subway stops in the Seoul subway network. We explore the transfer frequency of the transit users in their trip chains in a day transaction database of three different years. We find the number of transit users who transfer to other bus or subway is increasing yearly. From the trip chains of the large trip-transaction database, trip patterns are mined to analyze how transit users travel in the public transportation system. The mining algorithm is a kind of level-wise approaches to find frequent trip patterns. The resulting frequent patterns are illustrated to show top-ranked subway stations and bus stops in their supports. From the outputs, we explore the travel patterns of three different time zones in a day. We obtain sufficient differences in the spatial structures in the travel patterns of origin and destination depending on time zones. In order to examine the changes in the travel patterns along time, we apply the algorithm to one day data per year since 2004. The results are visualized by utilizing GIS, and then the spatial characteristics of travel patterns are analyzed. The spatial distribution of trip origins and destinations shows the sharp distinction among time zones.

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The Study of Huoong Bae Found Jip Sah (집사 《集史》에 나타난 흉배(胸背)에 관한 연구)

  • 김미자
    • Journal of the Korean Society of Costume
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    • v.54 no.1
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    • pp.159-168
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    • 2004
  • During the Chosun(조선) and Ming(명) Dynasty, embroidered patches called hyoong bae(흉배), were worn on the front and back of official robes worn by courtiers based on class distinction. It was discovered in Jip Sah(Genghis Khan's history books) that the miniatures, patterns used in the Won(원) Period, were passed down to the Ming Dynasty in the $14^{th}$ century. Shape patterns included circles, triangles, squares, and ovals. Other patterns included dragons, deer, leaves, and branches. However it was found that there was no class distinction in wearing these patches. Out of 14 different miniatur, 41 men had worn these patches.

The Developmen a Standarized Instrument and an Analysis of Lifestyle Patterns of Residents in Seoul (서울시 거주자의 생활양식 측정도구 개발 및 유형분석)

  • 윤복자
    • Journal of the Korean Home Economics Association
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    • v.32 no.2
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    • pp.255-263
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    • 1994
  • The objectives of this study were : 1) to find research trends on lifestyles 2) to analyze the lifestyle patterns of middle class residents in Seoul and 3) to develop a standarized instrument to measure lifestyles. Questionnaires were administered to 1615 homemakers in Seoul, The statistics with the SPSS software package was used for factor analysis. The major findings were as follows: the lifestyles of middle class residents in Seoul were categorized into six patterns : Fashion oriented Interior Design Oriented Economy Concerned Simplicity in Eating Hobby Oriented and Health Concerned. A standarized instrument using validity and reliability testes for lifestyles was developed.

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