• 제목/요약/키워드: sums

검색결과 596건 처리시간 0.026초

DITI를 이용한 안면신경마비환자의 호전도에 대한 임상적 고찰 (Clinical study on the improvement degree of Bell's palsy with DITI)

  • 성병곤;박민철;임규상
    • 한방안이비인후피부과학회지
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    • 제13권2호
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    • pp.190-199
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    • 2000
  • We had studied the relationship between the difference of average temperature of Meridian points of left and right face taken by DITI on 1st hospital day and the improvement degree of facial mucles on the patients of Bell's palsy after 10 days treatment. The clinical data and thermographic imaging were analyzed on the 42 cases of Bell's palsy who were treated in the Chunju Oriental Medicine Hospital of Wonkwang University from May to November 1999, and we selected 29 cases within 10 day-onset and the following results were obtained. 1. Assuming the difference of the muscle scores' sums very attending day from after 10 days treatment is improvement degree, and presuming the improvement degree is y, and the mean difference of average temperature between normal and abnormal facial side is x, we can infer the equation of the first degree as following [ y = 2.62 + 2.16 x ]. 2. This means that the higher temperature of nerve falsy side than normal side, the better consequence of treatment we can obtain.

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An Easy-to-Use Three-Dimensional Molecular Visualization and Analysis Program: POSMOL

  • Lee, Sang-Joo;Chung, Hae-Yong;Kim, Kwang S.
    • Bulletin of the Korean Chemical Society
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    • 제25권7호
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    • pp.1061-1064
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    • 2004
  • Molecular visualization software has the common objective of manipulation and interpretation of data from numerical simulations. They visualize many complicated molecular structures with personal computer and workstation, to help analyze a large quantity of data produced by various computational methods. However, users are often discouraged from using these tools for visualization and analysis due to the difficult and complicated user interface. In this regard, we have developed an easy-to-use three-dimensional molecular visualization and analysis program named POSMOL. This has been developed on the Microsoft Windows platform for the easy and convenient user environment, as a compact program which reads outputs from various computational chemistry software without editing or changing data. The program animates vibration modes which are needed for locating minima and transition states in computational chemistry, draws two and three dimensional (2D and 3D) views of molecular orbitals (including their atomic orbital components and these partial sums) together with molecular systems, measures various geometrical parameters, and edits molecules and molecular structures.

중국(中國) 20대(代) 남성(男性)의 하반신(下半身) 형태(形態) 연구(硏究)(제1보)(第1報) - 절강성 영파 지역(浙江省 寧波 地域)을 중심(中心)으로 - (Lower Body Shapes of Chinese Males in Their 20s (Report 1) - Centered on the Ningbo Area of Zhejiang Province -)

  • 이소영;심부자
    • 패션비즈니스
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    • 제10권5호
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    • pp.105-121
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    • 2006
  • Body measurement was first made with the subjects of 193 males in their 20s residing in the Ningbo area, Zhejiang Province in China. In this first report, lower body shapes were classified and discriminated by using anthropometric measurement indices and lower body analysis. The following sums up the research: 1. Compared with the average values of Korean males in their 20s, the Chinese subjects were characterized with thinner waist, more flat hip, and smaller midthigh. 2. The subjects of Chinese males in their 20s showed three types of lower bodies: H-Round Type (25.91%)-thick waist-abdomen, round cross-section waist-abdomen, and small waist-hip difference. A-Trapezoid Type (34.72%)-small width of omphalion waist-abdomen, average cross-section waist-abdomen, and large waist-hip difference. A-Balance Type (39.38%)-average width of omphalion waist-abdomen, flat cross-section waist-abdomen, and large waist-hip difference. 3. Seven useful variables for the categorization of the subjects' lower body types were chosen through stepwise discriminant analysis, and the hit ratio of discrimination was 96.89%.

4차 Cumulant를 이용한 Matrix Pencil Method (Matrix Pencil Method using Fourth Order Cumulant)

  • 장우진;고진환
    • 대한전자공학회논문지SP
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    • 제43권2호
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    • pp.87-92
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    • 2006
  • Array 신호처리에서 복소 지수함수의 합으로 구성된 신호의 파라미터를 추정하는데 고차 통계를 이용할 수 있다. 본 논문에서는 4차 cumulant를 이용한 고차 Matrix Pencil method(MPM)를 제안하였다. 4차 cumulant는 Gaussian 잡음를 억제할 수 있기 때문에, MPM의 응답은 기존의 방법에 비하여 더 좋은 잡음 면역을 가지고 있다. 본 논문에서는 높은 정확성을 가지는 MPM의 모든 장점을 유지하면서 성공적으로 고차 MPM을 공식화하였다. 그리고 Numerical simulation을 통해서 본 논문에서 제안된 4차 cumulant를 이용한 방법이 Gaussian 잡음환경에서 더 우수한 DOA 분해능을 가지고 있음을 증명하였다.

디지털 시그널 프로세서를 이용한 스카라 로봇의 적응-신경제어기 설계 (Design of Adaptive-Neuro Controller of SCARA Robot Using Digital Signal Processor)

  • 한성현
    • 한국생산제조학회지
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    • 제6권1호
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    • pp.7-17
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    • 1997
  • During the past decade, there were many well-established theories for the adaptive control of linear systems, but there exists relatively little general theory for the adaptive control of nonlinear systems. Adaptive control technique is essential for providing a stable and robust performance for application of industrial robot control. Neural network computing methods provide one approach to the development of adaptive and learning behavior in robotic system for manufacturing. Computational neural networks have been demonstrated which exhibit capabilities for supervised learning, matching, and generalization for problems on an experimental scale. Supervised learning could improve the efficiency of training and development of robotic systems. In this paper, a new scheme of adaptive-neuro control system to implement real-time control of robot manipulator using digital signal processors is proposed. Digital signal processors, DSPs, are micro-processors that are developed particularly for fast numerical computations involving sums and products of variables. The proposed neuro control algorithm is one of learning a model based error back-propagation scheme using Lyapunov stability analysis method. The proposed adaptive-neuro control scheme is illustrated to be an efficient control scheme for implementation of real-time control for SCARA robot with four-axes by experiment.

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격자다면체 부피에 대한 역사적 고찰 및 그 응용 - 수열 단원에의 응용 - (Historical review and it's application on the volume of lattice polyhedron - Focused on sequence chapter -)

  • 김향숙;하형수
    • 한국수학사학회지
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    • 제23권2호
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    • pp.101-121
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    • 2010
  • 본 연구는 격자평면에서의 Pick의 정리에 대한 의의와 증명소개, Pick의 정리를 확장한 3차원 격자다면체에서의 Reeve의 정리 및 n차원 격자다면체로 일반화시킨 Ehrhart 다항식에 대한 소개와 역사적 고찰을 바탕으로 이를 고등학교 교육과정에서 다루고 있는 수열단원에 응용하기위해, Reeve의 정리를 이용하여 3차원 격자다면체의 격자점의 개수와 부피와의 관계를 제시하고, 나아가 Pick의 정리와 Ehrhart 다항식을 적용하여 수열의 합을 구하는 공식들을 새로운 증명법으로 도출하고자 한다.

수리시설물 최적관리 시스템 개발 (Development of Optimum Management System for Irrigation Facilities)

  • 김선주;윤춘경;박성열;이광야
    • 한국농공학회지
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    • 제39권2호
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    • pp.86-94
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    • 1997
  • For the efficient operation and maintenance( 0 & M), irrigation facilities were graded on the basis of their indices related to the 0 & M condition and the characteristics of reservoirs managed by Farmland Improvement Association(FIA) were examined. The results obtained are summarized as follows : 1. Characteristics of reservoirs include effective storage capacity, irrigation area, basin area, height and length of bank. Each characteristic is scored by the principle component analysis method. Variables which compose one index are categorized on the basis of their unit and each variable is scored so that the score of each unit sums to 100 for each index. 2. The Optimum MAnagement System of Irrigation Facilities(OMASIF) for Pyoungtaek area was developed by connecting general data of the irrigation facilities to image data. The database system is divided into three tables; LookUp Table, Facility Table, and Image Table. Image Table is again divided into five sub-tables, Image Table, Construction Cost Table, Acreage Table, 0 & M Cost Table, and Specification Table. 3. The evaluating criteria for the 0 & M of irrigation facilities can be established using the OMASIF. Irrigation facilities evaluated as poor state by the criteria should be repaired.

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수자원 운영계획 시스템의 구현을 위한 수리계획 모형 자료구조의 활용 (Utilization of a Mathematical Programming Data Structure for the Implementation of a Water Resources Planning System)

  • 김재희;김승권;박영준
    • 산업공학
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    • 제16권4호
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    • pp.485-495
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    • 2003
  • This paper reports on the application of the integration of mathematical programming model and database in a decision support system (DSS) for the planning of the multi-reservoir operating system. The DSS is based on a multi-objective, mixed-integer goal programming (MIGP) model, which can generate efficient solutions via the weighted-sums method (WSM). The major concern of this study is seamless, efficient integration between the mathematical model and the database, because there are significant differences in structure and content between the data for a mathematical model and the data for a conventional database application. In order to load the external optimization results on the database, we developed a systematic way of naming variable/constraint so that a rapid identification of variables/constraints is possible. An efficient database structure for planning of the multi-reservoir operating system is presented by taking advantage of the naming convention of the variable/constraint.

MEAN CONVERGENCE THEOREMS AND WEAK LAWS OF LARGE NUMBERS FOR DOUBLE ARRAYS OF RANDOM ELEMENTS IN BANACH SPACES

  • Dung, Le Van;Tien, Nguyen Duy
    • 대한수학회보
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    • 제47권3호
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    • pp.467-482
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    • 2010
  • For a double array of random elements {$V_{mn};m{\geq}1,\;n{\geq}1$} in a real separable Banach space, some mean convergence theorems and weak laws of large numbers are established. For the mean convergence results, conditions are provided under which $k_{mn}^{-\frac{1}{r}}\sum{{u_m}\atop{i=1}}\sum{{u_n}\atop{i=1}}(V_{ij}-E(V_{ij}|F_{ij})){\rightarrow}0$ in $L_r$ (0 < r < 2). The weak law results provide conditions for $k_{mn}^{-\frac{1}{r}}\sum{{T_m}\atop{i=1}}\sum{{\tau}_n\atop{j=1}}(V_{ij}-E(V_{ij}|F_{ij})){\rightarrow}0$ in probability where {$T_m;m\;{\geq}1$} and {${\tau}_n;n\;{\geq}1$} are sequences of positive integer-valued random variables, {$k_{mn};m{{\geq}}1,\;n{\geq}1$} is an array of positive integers. The sharpness of the results is illustrated by examples.

이질적 색인어의 가중치 합에 기반한 수식 검색 시스템 (An Equation Retrieval System Based on Weighted Sum of Heterogenous Indexing Terms)

  • 신준수;김학수
    • 한국정보과학회논문지:소프트웨어및응용
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    • 제37권10호
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    • pp.745-750
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    • 2010
  • 다양한 수식을 포함하는 수학 문서들을 효과적으로 검색하기 위해서는 수식 인지 검색 엔진이 필요하다. 본 논문에서는 구조적으로 유사한 수식들을 효과적으로 찾아주는 수식 검색 시스템을 제안한다. 제안 시스템은 MathML 수식들을 연산자, 변수, 그리고 수식 구조와 같은 3가지 형태의 이질적 색인어로 분리하고 독립적으로 색인한다. 사용자가 MathML 수식을 입력하면 제안 시스템은 이질적인 색인어들을 위한 3가지 언어모델들의 가중치 합을 이용하여 수식들을 검색하고 순위화한다. 244,824개의 MathML 수식을 대상으로 한 실험에서 제안 시스템은 비공개 테스트에서 53%의 1순위 정확률, 공개 테스트에서 63%의 1순위 정확률을 보였다.