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      • KCI등재

        지체장애인의 스포츠웹사이트 이용이 스포츠 직,간접적 참여에 미치는 영향

        이현수(Hyun Su Lee) 한국사회체육학회 2011 한국사회체육학회지 Vol.0 No.44

        The purpose of this study was positively the effects of the physically challenged`s sport website use on their sport activities and provide meaningful data for activating the physically challenged`s sport participation and developing sport websites. The subjects of this research are 194 people participating in sports for the disabled in B Metropolitan City, presently in 2010, and their data were analyzed. As a measuring tool, the questionnaire used in Lee Hyun-su and Lee Geun-mo (2004)`s study on the relationship between high school students` sport website involvement and their sport participation was reconstructed through expert meetings with two professors of Special Physical Education and one doctor of Special Physical Education for this research. To process the data, SPSS v18.0 was used for analyzing exploratory factors, and to verify the structural equation model, AMOS v14.0 program was utilized. the results were gained as follows; First, according to the result of verifying the measuring model`s intensive validity and discriminant validity, sport website use`s, and sport direct participation`s, and sport indirect participation`s sub-factors showed .545-.947 as a standardized coefficient .545-.947 as concept reliability (CR), .898-.906 as an average variance extracted(AVE), and .624-.664 as a latent variable, so it was satisfactory in verifying the discriminant validity of the measuring model. Second, according to the result of analyzing confirmatory factors, in the goodness of sport website use, sport direct participation, and sport indirect participation, four goodness indexes including Normed χ2=2.297, RMSEA=.079, CFI=.942, and IFI=.942 were over reference values, and sports website involvement affirmative influenced sports direct and indirect participation of physical disability.

      • KCI등재

        드레이퍼 방식 연마기에서의 툴 영향 함수 기법

        이현수,양호순,이윤우,김석환,Yi, Hyun-Su,Yang, Ho-Soon,Lee, Yun-Woo,Kim, Sug-Whan 한국광학회 2008 한국광학회지 Vol.19 No.6

        본 논문에서는 툴 영향 함수(Tool Influence Function)를 이용한 피치(pitch)툴의 정량적 물질 제거 제어 기법에 대하여 기술하였다. 피치 툴은 뛰어난 표면 거칠기를 생성시키는 반면 툴의 물질 변형이 상대적으로 크고 물질제거가 어렵기 때문에 일반적으로 숙련된 가공 기술자에 의한 정성적 연마 기법으로 간주되었다. 하지만 이러한 피치 툴을 이용한 수치모사 및 실험을 수행한 결과, 정량적 피치 툴 연마 기법이 가능하다는 것을 알 수 있었다. 실험과 수치모사에 의한 물질 제거 형상은 약 79%의 정확도로 일치하였다. 또한 직경 280 mm의 평면가공에 대한 수치모사 단계에서 5번의 모의 가공 후 p-v(peak to valley) $1{\mu}m$의 최초 형상오차를 168 nm까지 낮추는 결과를 얻을 수 있었다. The pitch tool provides superior surface roughness compared to other types of polishing tool. However, because of difficulty in handling the pitch tool, pitch tool polishing has rarely been analysed, which led many craftsman to eliminate the pitch tool from their experiences. We found that it was possible to use a pitch tool in the well-determined material removal after the completion of computer simulation and experiment. We could simulate the TIF of the pitch tool with 79% accuracy. Also, after five successive simulations of polishing process on a 280 mm optical flat, the surface p-v error was found to be reduced from $1{\mu}m$ to 168 nm.

      • KCI등재

        지적장애아동의 이동운동능력과 또래놀이 상호작용에 커뮤니티 스키핑 프로그램의 효과 분석

        김건희 ( Geon Hee Kim ),김혜민 ( Hye Min Kim ),박진우 ( Jin Woo Park ),이현수 ( Hyun Su Lee ) 한국특수체육학회 2015 한국특수체육학회지 Vol.23 No.1

        본 연구는 커뮤니티 스키핑 프로그램을 개발하여 지적장애아동에게 적용시킴으로써 그에 따른 이동운동능력과 또래놀이 상호작용에 미치는 효과를 규명하는데 목적이 있다. 이를 위해 부산시에 소재하고 있는 H스포츠센터와 H특수학교에 소속된 지적장애아동을 편의표집하여 총 16명(실험군8, 통제군8)의 연구대상을 선정하였고, 커뮤니티 스키핑 프로그램은 실험집단을 대상으로 주2회(50분) 12주간 적용하여 전체 24회기로 구성하였다. 측정도구는 Ulrich이 개발한 대근운동능력측정 검사도구인 TGMD-Ⅱ의 하위요인 중 이동기술검사지와 Fantuzzo, Manz 그리고 McDermott(1998)의 설문지를 수정·보안하여 사용한 신은수, 권미경, 정형빈(2010)의 설문지를 사용하였으며, 자료 분석방법은 SPSS 18.0을 이용하여 공변량분석을 실시하였다. 이를 통해 나타난 결과는 첫째, 프로그램에 참여한 지적장애아동은 참여하지 않은 지적 장애아동보다 이동운동능력의 하위요인(달리기, 갤롭, 멀리뛰기, 홉, 립, 슬라이드)에 유의한 영향을 미치는 것으로 나타났다. 둘째, 프로그램에 참여한 지적장애아동은 참여하지 않은 지적장애아동보다 또래놀이상호작용의 하위요인 중 놀이단절은 감소하여 유의한 영향을 미치는 것으로 나타났으며, 놀이상호작용과 놀이방해는 유의한 영향을 미치지 않은 것으로 나타났다. 이에 추후 연구에서는 지적장애아동의 지속적인 관찰과 측정을 통해 다양한 프로그램으로 접근하여 차별화된 교육을 실시할 수 있는 커뮤니티 스키핑프로그램의 개발과 적용에 대한 연구가 필요할 것으로 생각된다. 또한 다양한 장애유형과 장애등급별 프로그램을 적용하여 그 효과를 검증하는 지속적인 추후 연구가 이루어져야 할 것으로 생각된다 The purpose of this study was to find out how a community skipping program influences the changes in the locomotion skills and interactive peer play of children with intellectual disabilities and to develop and apply appropriate community skipping programs on to the basis of accurate analysis and education programs. For this purpose, 16 children with intellectual disabilities from the ‘H’ welfare center and the ‘H’ special education school in the city of Busan in the way of convenient sampling, and they were divided into 8 experiment group members and 8 control group members were sampled. The community skipping program was applied for the experiment group two times a week (50 minutes each day) for 12 weeks, consisting of a total of 24 times of application. For measuring tools, TGMD-Ⅱ(Test of Gross Motor Development-Ⅱ) test sheet of Ulrich(1985) and the survey sheets of Eun-Soo Shin, Mi-Kyung Kwon, Hyun-Bin Jeong(2010) which were recomposed by revising and supplementing referred to PIPPS(Penn Interactive Peer Play Scale) of Fantuzzo, Manz and McDemott were used. The method of data analysis was implemented for the covariate analysis by using SPSS 18.0. The results are as follows. Firstly, participants with intellectual disabilities in the experimental group in the program showed a higher capacity for locomotion skills (running, galloping, horizontal jumping, hopping, leaping, and sliding) than the children those who did not participate in. Secondly, the children with the intellectual disabilities that participated in the program showed more declining rate for play disconnection than those who did not participate, while did not show any significant changes in play interaction and disruption compared to those who did not participate in. When all the results were combined, significant results in the play interaction and play disruption, sub-factors of the interactive peer play by increasing the experiment period were expexted. So it will take a variety of trials to complete the differentiated community skipping program. And also, it will need continued researches to verify the effects from different programs according to types and ranks of disability.

      • KCI등재

        HF통신에서 MELP 부호화방식을 이용한 보안통신의 전송영향 분석

        이현수(Lee, Hyun-Su),홍진근(Hong, Jin-Keun),한군희(Han Kun-Hee) 한국산학기술학회 2008 한국산학기술학회논문지 Vol.9 No.4

        본 미 정부는 열악한 채널환경에 강인한 통신 성능을 제공하기 위해 MELP 알고리즘을 새로운 군사 표준 보코더 알고리즘을 제시하였다. 논문에서는 HF channel 환경에서 MELP부호화 방식을 이용한 보안 통신의 전송영향을 분석하였다. MELP부호화 방식은 HF채널에 적합하게 적용되도록 개발되었으며 무선 버스터 환경에서 MELP 부호화 영향과 채널부호화 방식을 적용함으로써 평문통신과 보안통신의 성능을 MOS와 스펙트럼 분석을 통해 성능을 고찰하였다. The US government has designed new military standard vocoder algorithm, which is called MELP algorithm, to provide robust communication performance on poor channel environment. In this paper, we analyze transmission effect of security communication in MELP vocoder environment of HF channel. MELP vocoder develop properly application in environment of HF channel and influence of MELP vocoder and channel encoding apply to in envitonment of wireless burst and performance of plaintext communication and security communication study a matter from analysis of MOS and spectrum analysis.

      • KCI등재

        지속적인 건강걷기운동 프로그램이 청각장애 아동의 이동운동기능에 미치는 영향

        이현수(Hyun Su Lee),박수경(Soo Gyoung Park),오광진(Kwang Jin Oh) 한국사회체육학회 2010 한국사회체육학회지 Vol.0 No.42

        The purpose of this study was to determine the effect of continued walking exercise program on locomotor skills of children with hearing impairment. The subject were 22 children (experimental group: 11, control group: 11) with hearing impairment. To find out any changes of their locomotor skills, the walking exercise program was executed to the exercise group 5 times a week, for forty minutes per or a day over eighteen weeks. Before appling this program, was measured the locomotor skills for each group. After nine weeks and eighteen weeks their abilities were remeasured using the sam method as before. The locomotor skills were tested using the TGMD-Ⅱ which is developed by Ulrich(2000) and were evaluated by recording video throughout Inter-rater agreement. The collected data was analyzed using repeated measured 2-way ANOVA which had been on SPSS-WIN 12.0 program. Result of the study were described as follows: First, 18 weeks walking exercise program could improve locomotor skills in children with hearing impairment. Second, it showed significant difference in run, gallop, horizontal jump, slide (from 9 week, p<.001), hop, leap (from 18 week, p<.001) of locomotor skills. This result showed that continued walking exercise is positive effect for improving locomotor skills of children with hearing impairment. It`s required that we should develop and educate continued walking exercise program.

      • KCI등재

        지체장애인 생활체육 참여행동의 하위 측정내용 탐색을 위한 연구

        이현수(Lee Hyun-Su) 한국체육과학회 2011 한국체육과학회지 Vol.20 No.3

        The purpose of this study was to determination of sub-contents for community sport activities participation of people with physical impairments on the meaning of specific experiences and information. The 15 patients that participate continuously in 6-sports in the club for physical impairments was conducted in-depth interviews, the results which collected and analyzed Nvivo 2 program are as follows: First, physical impairments of behavioral beliefs of sub-contents were sub-human relationships improve, self-confidence improve, social skills improve, safety, health. Second, physical impairments of normative beliefs & subjective norm of sub-contents were families, leaders, junior, team-mates, people without disabilities. Third, physical impairments of control beliefs of sub-contents were equipment-related and administrative-related, family relationships, psychological factors outside of human relationships, self-confidence improve, social skills, stability increase, medical respectively improve. Fourth, physical impairments of attitude toward the beliefs of sub-contents were accomplishment, confidence, enjoyment, values, social skills, self development, happiness. Fifth, physical impairments of perceived behavioral control of sub-contents were will, time, economy, fun factor, social, health.

      • HF 채널의 MELP 보코더환경에서 보안통신 전송영향 분석

        이현수(Lee, Hyun-Su),홍진근(Hong Jin Keun),한군희(Han Kun-Hee) 한국산학기술학회 2008 한국산학기술학회 학술대회 Vol.- No.-

        본 논문에서는 HF channel 환경에서 MELP부호화 방식을 이용한 보안 통신의 전송영향을 분석하였다. MELP부호화 방식은 HF채널에 적합하게 적용되도록 개발되었으며 무선 버스터 환경에서 MELP 부호 화 영향과 채널부호화 방식을 적용함으로써 평문통신과 보안통신의 성능을 MOS와 스펙트럼 분석을 통해 성능을 고찰하였다.

      • 소장정격으로 호전된 크론병 환자의 사마귀 치험 1례

        이현수 ( Hyun Su Lee ),이봉효 ( Bong Hyo Lee ) 대구한의대학교 제한동의학술원 2016 東西醫學 Vol.41 No.3

        Objectives:The purpose of this study was to inform the effectiveness of Sa-Am acupucture tonifying small intestine meridian (So-Jang-Jeong-Gyeok) on verruca plana of Crohn`s disease patient. Methods:The patient was treated with Sa-Am acupuncture totally 10 times with the frequency of twice a week. The effectiveness was evaluated using harvey-Bradshaw index and the status of surface such as skin color and size of prominentia of the verruca plana. Results:The status of surface has become clearer markedly than before acupuncture. Conclusions:Sa-Am acupuncture of So-Jang-Jeong-Gyeok can be a useful treatment for the verruca plana of Crohn`s disease patient.

      • 모바일 게임 개발자를 위한 유니티 컴포넌트 개발

        이현수 ( Hyun-su Lee ),조경호 ( Gyoung-ho Jo ),신도현 ( Do-hyun Shin ),진영택 ( Young-taek Jin ) 한국정보처리학회 2016 한국정보처리학회 학술대회논문집 Vol.23 No.2

        멀티플레이 게임을 개발하기 위해서는 게임 서버의 구축이 필수 요소이며, 이러한 멀티 플레이 게임은 데이터 송수신이 빨라야 하므로 두 디바이스 간의 직접적인 통신을 위한 홀 펀칭, 릴레이 서버와 같은 기술이 요구된다. 그러나 멀티플레이 게임의 구현을 위해서는 일반적인 서버보다 경제적, 시간적인 자원이 더 많이 소요되기 때문에 대규모 개발 조직과 달리 소규모 개발자들은 어려움을 겪는다. 이러한 문제점을 해결하기 위해 본 연구에서는 멀티 플레이 게임 서버를 자체 제작하고 이를 이용할 수 있는 Unity Asset 형태의 컴포넌트를 개발하여 개발자들이 싱글 플레이 게임을 멀티플레이 게임으로 쉽게 바꿀 수 있도록 하였다.

      • 이산화탄소를 사용한 열펌프 시스템의 성능 특성 연구

        이현수(Hyun Su Lee),김재덕(Jae-Duck Kim),우정태(Jung-Tae Woo),장근선(Keun Sun Chang) 대한설비공학회 2009 대한설비공학회 학술발표대회논문집 Vol.2009 No.-

        In this study, experimentally investigated are the performance characteristics of heat pump system using CO2 as a refrigerant and geothermal heat as a heat source. Cooling and heating capacities and COP of the system are analyzed for various system performance variables such as refrigerant charge, expansion valve opening, compressor frequency and existence of internal heat exchanger. Results showed that there exist an optimum amount of refrigerant charge and expansion valve opening position which appear at the maximum point of COP curve. Cooling and heating capacity either increase or decrease with the compressor frequency dependent of the direction of compression ratio. In the case of the system with the internal heat exchanger, cooling capacity was increased about 4.0% whereas heating capacity was decreased about 0.89% compared to the case of without internal heat exchanger.

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