• 제목/요약/키워드: Changed-pattern

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Analysis of Urban Distribution Pattern with Satellite Imagery

  • Roh, Young-Hee;Jeong, Jae-Joon
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 2007년도 Proceedings of ISRS 2007
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    • pp.616-619
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    • 2007
  • Nowadays, urbanized area expands its boundary, and distribution of urbanized area is gradually transformed into more complicated pattern. In Korea, SMA(Seoul Metropolitan Area) has outstanding urbanized area since 1950s. But it is ambiguous whether urban distribution is clustered or dispersed. This study aims to show the way in which expansion of urbanized area impacts on spatial distribution pattern of urbanized area. We use quadrat analysis, nearest-neighbor analysis and fractal analysis to know distribution pattern of urbanized area in time-series urban growth. The quadrat analysis indicates that distribution pattern of urbanized area is clustered but the cohesion is gradually weakened. And the nearest-neighbor analysis shows that point patterns are changed that urbanized area distribution pattern is progressively changed from clustered pattern into dispersed pattern. The fractal dimension analysis shows that 1972's distribution dimension is 1.428 and 2000's dimension is 1.777. Therefore, as time goes by, the complexity of urbanized area is more increased through the years. As a result, we can show that the cohesion of the urbanized area is weakened and complicated.

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패턴 변환 루프 구조를 가지는 마이크로스트립 패치 안테나 (Pattern-Switchable Microstrip Patch Antenna with Loop Structure)

  • 김용진
    • 한국산학기술학회논문지
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    • 제13권11호
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    • pp.5447-5451
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    • 2012
  • 본 논문은 마이크로스트립 패치 안테나에 루프구조를 추가하여 방사패턴의 변환이 가능한 안테나를 제안한다. 패턴 변환을 위한 루프 구조를 패치 안테나의 급전부와 연결하며, 스위치 on/off 에 따라서 안테나의 방사패턴이 가변되는 구조가 된다. 제안된 안테나의 동작주파수는 2.4GHz이며, 최대이득은 3.2dBi 이다. MIMO (Multi-Input Multi-Output), WLAN등의 무선통신 시스템에서 diversity나 스마트 안테나 시스템에 장착을 목적으로 한다. 제안된 안테나의 patch 사이즈는 $28mm{\times}28mm$이며, ground plane의 사이즈는 $40mm{\times}50mm$이다. 제안된 안테나는 2층의 적층 구조를 하고 있으며, 스위치 on/off 동작에 의해 안테나의 패턴이 가변됨을 시뮬레이션과 측정을 통하여 보였다.

골프 스윙 자세의 체표면 변화 특성을 반영한 셔츠 패턴 설계 연구 (A Study of Shirts' Patternmaking Based on 3D Body Surface Changes in Golf Swing Postures)

  • 오설영;천종숙
    • 복식문화연구
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    • 제19권5호
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    • pp.1049-1060
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    • 2011
  • The purpose of this study was to develop a shirt pattern that enhances the functionality of golf swing motions. The pattern was made with 3D body surface shape data that changed according to dynamic golf postures. The data were collected from the golf swing motions. The 3D body surface data in golf swing postures piled up on the 3D surface data in a static posture. The results showed that the surface shape data changed more in the address, back swing, and finish postures than the other swing postures. The experimental pattern was developed with 3D surface scan data in those three golf swing motions. The pattern had raglan sleeves and the front-bodied piece was divided into two pieces with a princess line, which comes from armscye line of the address posture. The back bodice piece was divided into three pieces with a yoke line and a back princess line. The yoke line was made by back shoulder shape in the back swing posture. The level of comfort of the experimental garment and commercial golf shirts was evaluated by 38 women golfers. The experimental garment pattern was evaluated to be more comfortable in golf swing postures than commercial golf shirts.

상지동작에 따른 길의 변화에 관한 연구 -입체재단법을 중심으로- (A Study on the Change of Waist Pattern by Upper Limb Motion -By the Method of Tight Fitting Technique-)

  • 이은정;박정순
    • 한국의류학회지
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    • 제20권1호
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    • pp.113-127
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    • 1996
  • In this study, the pattern was copied by the method of Tight Fitting Techinque, which resulted from the changed body by the upper limb motion-front-vertical motion(or vertical motion in front), side-vertical motion, and horizontal motion. And, this study analyzed the change of the pattern and the observed items dimension changed to the pattern. The results are as follows: 1. In the observation of the degree of the pattern change according to the motion of upper limb, the result provides that the motion change in the range of $135^{\circ}$ to $180^{\circ}$ is the largest in front-vertical motion, $45^{circ}~90^{\circ}$ in side-vertical motion, and $0^{circ}~45^{\circ}$ in horizontal motion respectively. 2. The probability test result of the items of the motion is more related with the horizontal width item rather than the vertical length item in the front and back pattern where the back pattern has more effect than the front pattern. And the upper limb-surrounding items are more related than any otheer item. 3. The change of the pattern according to the motion shows the decrese of the neck width and the shoulder legth, the rising of the point of shoulder (or shoulder point) and armpit point, the decrease of the pattern width and the increase of the pattern length. As the angle of the motion grows vertically motion. The change of the shoulder length in the horizontal motion is smaller than that vertical. But as the angle of the motion grows horizontally, it has a tendency of decreas in th width of the front patten and the length of the pattern, whereas the width of the back pattern is noticeably increases.

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패턴의 변화를 가지는 연속성 데이터를 위한 스트리밍 의사결정나무 (Streaming Decision Tree for Continuity Data with Changed Pattern)

  • 윤태복;심학준;이지형;최영미
    • 한국지능시스템학회논문지
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    • 제20권1호
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    • pp.94-100
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    • 2010
  • 데이터 마이닝(Data Mining)은 환경으로부터 수집된 데이터에서 패턴을 추출하고 의미 있는 정보를 발견하기 위하여 주로 사용된다. 하지만, 기존의 방법은 데이터의 수집이 완료된 상태에서 분석하는 것을 기반으로 하고 있으며, 시간의 흐름에 따른 패턴의 변화를 반영하기 어렵다. 본 논문은 연속성(Continuity data), 대량성(Large scale) 그리고 패턴의 가변성(Changed pattern)과 같은 특성을 가지는 스트림 데이터(Stream Data)의 분석을 위한 스트리밍 의사결정 나무(Streaming Decision Tree : SDT) 방법을 소개한다. SDT는 연속적으로 발생하는 데이터를 블록으로 정의하고, 각 블록은 의사결정나무 학습 방법을 이용하여 규칙을 추출한다. 추출된 규칙은 발생 시간, 빈도 그리고 모순 등을 고려하여 결합하였다. 실험에서는 시계열 데이터를 이용하여 분석하였고, 적절한 결과를 확인하였다.

자녀의 성장과정에 따른 주공간 사용 변화에 관한 연구-가족형태 변화와 주공간의 대응관계를 중심으로- (A Study on the Change of the dwelling Space according to the Growth of Children -Focused on the Correspondence of the Family Life Cycle to dwelling Space-)

  • 박현아;박용환
    • 한국주거학회논문집
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    • 제12권4호
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    • pp.43-52
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    • 2001
  • The purpose of this study is to fined out the characteristics of using & change of the residential space according to the children age and family life cycle. The results of this study are as follows: The first, as children grow up, children's activity space changed from living room to the private room, and housing condition was related to the frequency of each activity. The second, as children grow up, family's sleeping pattern changed, and this change effected the number of private rooms for sleeping and the use of the extra room. The third, changes of the using of dwelling space come out several pattern, increasing bedroom number through reconstruction, exchange of An-band and children room, parents' sleeping space move to living room, and change the function of rooms. The change pattern of the correspondence to the housing needs differed from each family life cycle stage.

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Stocker 시스템의 동작패턴에 대한 비접촉 전원장치의 특성에 관한 연구 (A Study on the Characteristic of Contactless Power Supply System for Operation Pattern of Stocker System)

  • 황계호;이봉섭
    • 조명전기설비학회논문지
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    • 제25권10호
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    • pp.23-27
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    • 2011
  • In this paper, material handing cleanroom stocker system for thin film solar cell line of photovoltaic industry and liquid crystal display line of flat panel display industry was selected for the study. Optimum solution for stocker system's CPS(Contactless Power Supply) is approached by changing the motion pattern, optimizing design & production, and analyzing characteristics of the power system. As a result, acceleration time of X-Axis changed from 3 sec to 4 sec, changed the input characteristic of CPS within approximately 11[kW]. This result shows that extending acceleration time of the X-Axis in Stocker Crane's motion pattern can reduce the capacity of the CPS, thus saving the manufacturing cost.

『상한론(傷寒論)』 변병진단체계(辨病診斷體系)에 근거하여 소시호탕(小柴胡湯)투여 후 호전된 만성기침 1례 (A Case Report of Chronic cough treated by Soshiho-tang based on Shanghanlun Provisions)

  • 류희창;이숭인
    • 대한상한금궤의학회지
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    • 제8권1호
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    • pp.99-108
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    • 2016
  • Objective : The purpose of this paper is to report the improvement of patient with chronic cough treated by herb medication based on Shanghanlun disease pattern identification diagnostic system. Methods : According to 'Disease Pattern Identification Diagnostic System based on Shanghanlun Provisions', the patient diagnosed with Taeyang-byung, number 96 provision, and took Soshiho-tang herb medication 50days. The changing symptom of chronic cough was estimated by LCQ(Leicester Cough Questionnaire) and VAS(Visual Analogue Scale). Results : The LCQ score changed 57 to 111 and VAS changed 10 to 0. Conclusions : On the number 96 provision of Shanghanlun, '或欬' means 'H or K' sound cough. This is the first case report treating the chronic cough with herb medication of shanghanlun in Korea.

하악(下顎) 제2대구치(第二大臼齒)의 맹출과정(萌出過程)에 관(關)한 연구(硏究) (THE STUDY OF THE ERUPTION PATTERN OF THE MANDIBULAR SECOND PERMANENT MOLAR)

  • 김무
    • 대한소아치과학회지
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    • 제6권1호
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    • pp.53-63
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    • 1979
  • To Study the eruption pattern of the mandibular second permanent molar, the author took 425 cases of Oblique Cephalogram from 6 to 13 years old children and observed the vertical and mesiodistal directional change and tooth axis change. The following results were obtained. : 1. The eruption pattern of the mandibular second permanent molar was changed at about 10.0~10.1 ages or calcification stage IX. 2. At the early stage, the path of eruption of the mandibular second parmanent molar directed upward and forward and after calcification stage IX it changed to the direction of upward. 3. At the early stage, the distance from the distal end of the mandibular first permanent molar to the anterior portion of the ascending ramus was 0.9~1.0 times larger than the mesio-distal diameter of the mandibular second molar, but at the later stage it was increased 1.4 times larger than the mesio-distal diameter of the mandibular second permanent molar.

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위성영상 및 항공사진을 이용한 해안선 변화 모니터링 : 울진군 죽변면 연안을 대상으로 (Monitoring of Shoreline Change using Satellite Imagery and Aerial Photograph : For the Jukbyeon, Uljin)

  • 엄진아;최종국;유주형;원중선
    • 대한원격탐사학회지
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    • 제26권5호
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    • pp.571-580
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    • 2010
  • 해수면과 육지가 접하는 해안선은 자연적인 물론 연안개발 등 인위적인 활동에 따른 침식 및 퇴적에 의하여 끊임없이 변화한다. 해안선 변화는 해안환경의 파괴뿐만 아니라 연안구조물을 위협하며, 따라서 효율적인 연안관리를 위하여 해안선 변화의 장기적이고 시계열적인 모니터링이 필요하다. 이 연구에서는 1971년부터 2009년까지의 항공사진, 항공라이다 및 고해상도 광학위성영상을 이용하여 경상북도 울진군 지역의 해안선 변화를 관측하였다. 해안선 변화를 관측하기 위하여 위성영상 및 항공사진을 정밀 기하보정을 실시하였으며, 젖은 모래 마른 모래 및 해수의 스펙트럼을 측정하고 이를 이용하여 해안선을 추출하였다. 연구 결과, 원자력 발전소 방파제 설치 이후 방파제 주변으로 해안선 형태가 변화한 것을 알 수 있었다. 방파제 주변에서는 1971년부터 2009년까지 최대 120 m 해안선이 이동하였으며, 방파제 건설 전에는 약 30 m, 방파제 건설 이후 90 m 정도 해안선이 이동하였다. 한국해양연구원 동해연구소 앞 해안에서는 2003년까지는 퇴적으로 인하여 해안선이 해안쪽으로 최대 47m 이동하였지만 2003년 이후부터 2009년까지 계속하여 침식현상이 일어나면서 해안선이 육지쪽으로 최대 40m로 급격하게 변화하고 있다. 이러한 해안선의 변화는 많은 복합적인 영향으로 인하여 일어날수 있으며, 연구지역의 경우방파제의 건설에 의한 침식 및 퇴적 현상이 주 원인인 것으로 판단된다. 따라서 향후 물리학적 및 퇴적학적 연구를 통한 효율적 관리 방안 수립이 필요할 것으로 생각된다.