후방순환계 뇌동맥류의 임상분석

임동준,이훈갑,정흥섭,김봉룡,권택현,이기찬,서중근 대한신경외과학회 1998 Journal of Korean neurosurgical society Vol.27 No.11

콘크리트 크리프와 건조수축의 CEB-FIP Model Code와 ACI Code의 비교

전쌍순,박태균,황택균,엄장섭,진치섭 釜山大學校生産技術硏究所 2002 生産技術硏究所論文集 Vol.61 No.-

크리프 현상으로 인하여 구조물의 변형이나 처침은 시간의 경과와 더불어 중대하게 되고, 라멘, 아치 등과 같은 부정정 구조물에서는 건조수축으로 인한 부재의 변형 때문에 큰 수축응력이 일어난다. 따라서, 일시적으로 작용하는 하중에 비하여 지속하중이 큰 구조물에 있어서는 크리프의 영향을 설계해야 하고, 콘크리트 구조설계에서 건조수축은 매우 중요하다. 우리나라 콘크리트 설계기준을 비롯하여 세계각국의 코드에 크리프와 건조수축에 대해서 규정하고 있다. 그러나, 크리프와 건조수축에 관한 규정이 매우 복잡한 식으로 제시되어 있어 수 계산으로는 크리프 및 건조수축병형률을 계산하기가 어렵다. 본 연구에서는 Windows 환경에서 쉽게 CEB-FIP Model Code 및 ACI Code에 의한 크리프와 건조수축 변형률을 계산할 수 있는 프로그램을 작성하여 글 결과를 서로 비교 고찰하였다. Concrete under stress undergoes a gradual increase of strain with time because of creep deformations of the concrete. The final creep strain may be several times as large as the initial elastic strain. Generally creep has little effect on the strength of a structure, but it will cause a redistribution of stress in reinforced concrete members at the service loads. When concrete loses moisture by evaporation, it shrinks. Shrinkage strains are independent of the stress conditions in the concrete. If restrained, shrinkage strains can cause cracking of concrete and will generally cause the deflection of structural members to increase with time. In 2000, the Korea Concrete Institute Code took up CEB-FIP Model Code instead of ACI Code on creep and shrinkage of concrete, but their calculation procedures are tedious and difficult. In this study, programs are provided and it will be useful for the practicing engineers.

신경망을 이용한 단어에서 모음추출

이택준,김윤중 한밭대학교 정보통신전문대학원 2004 정보통신전문대학원 논문집 Vol.2 No.1

본 연구에서는 단어에서 모음을 추출하기 위해 시스템을 설계하고 구현하였다. 이 시스템은 음성특징 추출모듈과 신경망 모듈로 구성되어 있다. 음성특징 추출모듈에서는 음성의 특징추출에 LPC모델을 이용한다. 신경망 모듈은 학습모듈과 음성인식모듈로 구성 된다. 학습모듈은 학습 패턴을 설정하고 신경망을 구성한 후 학습을 한다. 음성인식모듈은 학습된 신경망의 정보를 이용하여 단어 안에 들어있는 모음을 추출해 난다. 구현된 모음추출 인식기의 성능을 알아보기 위해 모음(아, 어, 오, 에, 이)5개를 선택 신경망을 학습시켰다. 이 실험을 통해 음성인식모듈이 4개의 단어로부터 모음을 정상적으로 추출하는 것을 확인할 수 있었다. This study designed and implemented a system to extract of vowel from a word. The system is comprised of a voice feature extraction module and a neutral network module. The voice feature extraction module use a LPC(Linear Prediction Coefficient) model to extract a voice feature from a word. The neutral network module is comprised of a learning module and voice recognition module. The learning module sets up a learning sets up a learning pattern and builds up a neutral network to learn. Using the information of a learned neutral network, a voice recognition module extracts a vowel from a word. A neutral network was made to learn selected vowels(a, eo, o, e, i) to test the performance of a implemented vowel extraction recognition machine. Through this experiment, could confirm that speech recognition module extract of vowel from 4 words.

미학적 측면에서 본 체육의 의의

신준택 漢陽大學校 體育科學硏究所 1994 體育科學 Vol.14 No.14

The purpose of this paper was that to expereance aesthetic is investigate what meaning at physical Education. and experience aesthetic of sport is investigate to effect process of human development. In order to do so, first physical education defined is build up one's character through physical activity or self effacancement that neither scientific aspects proof nor a point of view aesthetic proof to recognize a form of art. At the same time, experience of sports is not explanation. according to method of scientic and many, but activity is understand according to scientic method. a performer clearly understand one's skill and stratege athlete and ethical action. This is not logic compose of knowledge and scientific analysis but understand the whole. and It is accomplished not unitary of mind and body but duality of mind and body purpose of the physical education is aspire to humanlize of human activity and Its transendental chrater that aspects sport relation to at aesthetic experence value of physical education. In order to study a field of sport philosophy is accomplish to many that a field of sport aesthetic for a variety theory of aesthetic deep study. and following It is essentinal try to accomplished for rationalism of art.

청주공항 주변지역의 항공기 소음 실태 조사

신택수,연익준,김창환,주소영,김광렬 충북대학교 건설기술연구소 2002 建設技術論文集 Vol.21 No.2

The present study is aimed to survey the aircraft noise around Cheongju International Airport, so the survey on the aircraft noise was undertaken from July 7 to July 13, 2002 continuously. As a result, it was found that number of passing aircrafts and WECPNL value per day are different with days of the week. On Wednesday, Saturday, and Sunday the influence of aircraft noise was lower than that on Tuesday and Thursday. The aircraft noise level of three residential areas around the airport was examined. The noise levels of 1.2km, 1.0km and 4.0km away from the airport runway were 74.7, 83.3, 67.7 WECPNL respectively. It was found that there is little affect of noise on residential life in two surveyed areas, but in the other area, noise is so loud that it should be anticipated to be noise damaged area.

고속의 실시간 MPEG-2/H.264 transcoding 구조 제안

홍용택,이경호,김진상,조원경 경희-다반 ASIC 설계교육센터 2006 경희-다반 ASIC센터 논문집 Vol.7 No.-

H.264 비디오 코딩 표준은 기존 비디오 코딩 표준에 비해 뛰어난 압축부호화 효율로 인해 차세대 비디오 표준으로 각광받고 있으며 H.264가 가진 잠재적인 영향력 때문에 오늘날 디지털 비디오 시스템의 주를 이루고 있는 MPEG-2 시스템을 대체할 것으로 보여진다. 현재 MPEG-2 시스템이 광범위하게 자리 잡고 있기 때문에 H.264 시스템으로의 완전한 이동은 다소 시간이 걸릴 것으로 예상되고, 따라서 트랜스코딩 기술이 중요하게 대두되고 있다. 트렌스코더는 디코더와 인코더를 포함한 구조이기 때문에 매우 많은 연산량이 요구되며 그 복잡도를 줄이는 것이 중요하다. 본 논문에서는 디코딩 과정에서 추출된 정보를 인코딩 과정에 재사용함으로써 복잡도를 줄이도록 하였고, 또한 H.264에서 연산량이 많은 부분들을 여러 가지 알고리즘을 통해 복잡도를 줄임으로써 보다 빠른 속도로 동작이 가능한 트랜스코더 구조를 제안하였다.

소속 학교별 탁구지도자의 리더십유형과 경기력의 관계

임준택,김주희 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.3

The purpose of this study is to determine the effect of leadership styles on performances of table-tennis players. With a population consisting of table-tennis players in secondary schools and colleges, who are registered in the Korea Table-Tennis Association as of 2003, stratified cluster random sampling was used for sampling and thus the data of a total of 554 students-259 males and 295 females-were actually used for an analysis. This study used the leadership scale for sport, (LSS), which is a domestic adaptation and standardization by Kim Byeong-hyeon and his associates (1990) of the development by Chelladurai and Saleh, The questionnaire to measure basic background variables included three questions, sex, position, and career, and that to measure performances, included two questions, 'performances in personal competitions' and 'those in team competitions.' Researchers and assistants personally visited the students in the sample to distribute questionnaires and then collected them after answered with the self-administrated method. Among the data collected, the data with double or no answers were excluded from those for the analysis; each of encoded data was inputted in a computer and then was processed according to the purpose of analysis using the SPSS Windows 10.0 Version, a statistical program. For data analysis, this study conducted one-way ANOVA and the standard multiple regression analysis. Based on hypotheses of this study, the concrete results were as follow: First, there were significant differences in leadership styles by basic background variables (sex, position and career). Second, there were in part significant differences in performances of table-tennis players by basic background variables (sex, position and career). Third, leadership styles of each school affected performances of table-tennis players.

요배부 수술 실패 증후군에서 자기공명영상의 이용

이준규,안재성,권순태,김환정,정제택 충남대학교 의과대학 지역사회의학연구소 1997 충남의대잡지 Vol.24 No.2

This study was compared pre-operative MRI finding with operative finding on 36 cases with the failed back surgery syndrome (FBSS) retrospectively. The purpose of this study was to determine the accuracy of the MRI on the FBSS including early complications such as hematoma of infection. Of the 51 patients with FBSS, we analyzed pre-operative MRI finding compared with operative finding on 36 cases excluding nonunion, instability, metal failure and pseudoarthrosis who underwent an operation for the FBSS from December 1994 to June 1997. There were 25 men (69.4%) and 11 women (30.6%), aged from 16 to 68 years (average 43.6 years). These were divided into 5 sub-groups and calculated sensitivity, specificity and positive predictability. MRI accuracy in recurred disc was 84%, scar adhesion, recurred or developed stenosis, infection and hematoma 100% each and all, overall accuracy of the MRI 93%, respectively. Average interval of re-operation in FBSS WAS 4.3 years. In the 18 cases (50%), symptoms persist without pain-free interval after first operation. Early complications including hematoma and infection are easily detected with MRI. Especially if patient complains of severe leg pain or neurologic deficit, it is a good diagnostic procedure to check the MRI. The MRI is a useful method for evaluation of most cases of the FBSS, but it has limitations to evaluate recurred disc or scar adhesion only in T1, T2 weighted image. Therefore Gd-DTPA enhancement is necessary for the accurate diagnosis.

직장인의 스포츠활동 참가와 주관적 행복감의 관계

임준댁,탁은정 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.2

The Purpose of this study to investigate the relationship of sports activity participation to subjective euphoria of office workers. To achieve this purpose, the subjects were selected by cluster random sampling of adults, in Daejon in 2002 at present. There were 273 male, 215 female used for the analysis. The total was 489. Data were collected by employing a questionnaire. The variables of this analysis were demographic characteristics, sports activity participation, subjective happiness(positive affect scale and negative affect scale). The questionnaire for Life sathisfaction had been developed by Diener. Emmons, Lersen & Griffin(1992) and standardized in Korean language by Lee Jong kil(1992). The questionnaire for Positive and Negative Affectby Watson, Clark & Tellgen(1988) and standardized in Korean language by Lee Ju Sung(1991). The collected data analyzed statistic program SPSS Windows 10.0 Version. The statistical analysis are descriptive statistics analysis, multiple regression analysis and analysis of covariance. From the analyses of the data, this study reached he following conclusions: First, subjective euphoria is partially different by sports activity participation among employees. Second, degree of sports activity participation is positively influence on subjective euphoria.

웹 기반 건설 하도급 대금지불 프로세스 모델

노준오,이현종,구교진,현창택 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1

The purpose of this study is to improve the subcontract payment process in domestic Construction industry. This study researches the previous documents and payment processes of construction company so that improves subcontract payment process. Recently, subcontract increase with time in domestic construction industry. But many subcontract companies have difficulty in financing problems because of unreasonable practice. Requesting a payment, contractor and subcontractor make out a payment so their time and effort necessarily were spent. Therefore unnecessary things are removed in subcontract payment process so that settle a reasonable subcontract payment process.