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연관분석을 이용한 효과적인 표절검사 및 문서분류에 관한 연구
황인수 ( In Soo Hwang ) 한국정보시스템학회 2014 情報시스템硏究 Vol.23 No.3
Plagiarism occurs when the content is copied without permission or citation, and the problem of plagiarism has rapidly increased because of the digital era of resources available on the World Wide Web. An important task in plagiarism detection is measuring and determining similar text portions between a given pair of documents. One of the main difficulties of this task is that not all similar text fragments are examples of plagiarism, since thematic coincidences also tend to produce portions of similar text. In order to handle this problem, this paper proposed association analysis in data mining to detect plagiarism. This method is able to detect common actions performed by plagiarists such as word deletion, insertion and transposition, allowing to obtain plausible portions of plagiarized text. Experimental results employing an unsupervised document classification strategy showed that the proposed method outperformed traditionally used approaches.
황인수(Hwang, In-Su),신경주(Shin, Kyung-Joo) 한국실내디자인학회 2015 한국실내디자인학회 학술대회논문집 Vol.2015 No.5
This analysis is Korea"s Traditional Houses in the arrangement by regional groups. In common of traditional houses and to recognize a change for the times. The method applies to data analysis. The first, I refer to Literature review and Advanced research. It was designated as important folk data a housing. The analysis of the men´s part of a house of the nine Traditional Houses in Jeolla Province. The research procedure is divided into periods and Based on the year to recognize a summary of the Traditional Houses. Next, Analyze the plane and size of the men"s part of a house. After that I look at the standard and size. The last, check on interior of the building information and the spatial composition of the men"s part of a house. The fastest building history was built in 1730 and the latest built in 1895. Mostly ‘ㅡ’ types plane and there are also ‘ㄱ’ type or ‘T’ type plane. The direction of the Korean Traditional Houses in the south. The average building areas of men´s part of a house per unit 73.33㎡ and Module Unit ‘Kan’ in Korean Traditional House per unit 4.6. Anything else, It was get information the ceiling, wall, and floors and then it analyzed them. Through the analysis revealed similarities and differences with other regions expect to go on the basic data.
규칙적인 태극권의 참여가 유방암 수술환자의 산화-항산화계에 미치는 영향
황인수(In Soo-Hwang),곽이섭(Yi-Sub Kwak) 한국생명과학회 2009 생명과학회지 Vol.19 No.4
Treatment for breast cancer produces side effects that diminish functional capacity and quality of life (QOL) among survivors. Tai Chi is a moderate form of exercise that may improve functional capacity, physical activity and oxidative stress. The purpose of this study was to evaluate the effects of regular Tai Chi exercise on malondialdehyde (MDA), SOD and physical fitness (muscle strength, flexibility, flexion, extension, adduction, and abduction). Forty obese women were recruited from a public health center and divided into control (CON: n=20) and trained (EXP: n=20) groups. The Tai Chi exercise group participated in a 12-week (4 times/week) training program. Data were analyzed with T-test. MDA, SOD and physical fitness (muscle strength, flexibility, flexion, extension, adduction, and abduction) were evaluated before and after the Tai Chi program in both groups. There were significant improvements in shoulder flexibility, flexion, extension, abduction, and adduction. However, there was no improvement in muscle strength. There were also significant improvements in MDA and SOD. Based on these results, Tai Chi exercise has been shown to stimulate endogenous antioxidant enzymes and reduce oxidative damage markers. and also be effective in improving physical fitness and QOL. Further study is needed in this area.
항공기탑재 레이다용 X-대역 Low-Profile 능동위상배열 안테나 설계 및 제작
황인수(In-Su Hwang),이유리(Yu-Ri Lee),김종필(Jong-Pil Kim),장성훈(Sung-Hoon Jang),김선주(Seon-Joo Kim) 한국전자파학회 2021 한국전자파학회논문지 Vol.32 No.2
항공기 탑재 레이다를 위한 low-profile, 경량, 광각 스캔, 열적안정성의 특성을 가진 능동위상배열(active electronically scanned array) 안테나의 설계 및 제작 결과를 기술하였다. 안테나의 소형 경량화를 위하여 송수신블록은 RF 회로 관련 송수신 모듈은 평면 구조인 brick 형, 제어보드는 적층 구조인 tile 형을 혼합한 quasi-tile 구조로 제작하여, 안테나 전면부의 깊이를 감소시켰다. 또한 안테나 후면에 전원 및 제어 관련 모듈들을 판형으로 제작하여 안테나 후면부의 깊이를 감소시켰다. 감소된 안테나 깊이는 안테나 개구면의 확대를 가능하게 하여 EIRP(effective isotropic radiated power), 수신 이득 대 잡음 비 G/T(gain to noise temperature ratio)를 최대화 한다. 제작된 안테나는 ±70°까지의 광각 스캔이 가능하다. 안테나 냉각시 냉각수가 전면 냉각판을 통과 후 후면 냉각판을 통과하도록 하는 이중 냉각 구조를 활용하여 냉각 효율을 높였다. 제작된 X-대역 능동위상배열 안테나의 EIRP는 104.04 ㏈mi 이상, G/T는 테일러 분포에서 7.46 ㏈/K 이상의 특성을 가진다. The results of the fabrication of active electronically scanned array (AESA) antennas with low-profile, low-weight, wide-scan, and thermal stability characteristics for aircraft-mounted radar are described. To reduce the size and weight of the antenna, a transmit–receive block is constructed in a quasi-tile structure in which the radio-frequency circuit-related transmit–receive module is a brick type, which is a flat structure, and the control board is a tile type, which is a stacked structure, to reduce the depth of the front of the antenna. In addition, the depth of the rear part of the antenna was reduced by manufacturing power and plate-shaped control-related modules at the rear of the antenna. The reduced antenna depth maximizes the effective isotropic radiated power (EIRP) and gain to noise temperature (G/T) by enlarging the antenna aperture. The manufactured antenna can scan a wide angle of ±70°. The cooling efficiency is improved by using a dual cooling structure that allows the cooling water to pass through the front cooling plate and then through the rear cooling plate. The EIRP of the manufactured AESA antenna is 104.04 ㏈mi, and G/T is 7.46 ㏈/K in Taylor weighting.
New FMVSS301 법규 조건에 의한 승용차의 후방충돌 해석 사례
황인수(Insoo Hwang),임종현(Jonghyun Yim),김동석(Dongseok Kim) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
NHTSA upgraded the rear impact test in the FMVSS(Federal Motor Vehicle Safety Standard) on fuel system integrity. This new rule replaces a full rear impact test procedure at 48 ㎞/h with an offset rear impact test procedure specifying that only a portion of the width of the rear of the test vehicle be impacted at 80 ㎞/h. In this paper, we performed the rear crash simulation according to the new rule and evaluated the results of simulation and test. The result showed higher deformation value than that of old FMVSS301. All simulation results existed within the in-house guideline, and test result was satisfied with body deformation requirements.