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      • Development of a T-DMB Monitoring System

        Kyung-Taek Lee1,Ki-Won Kwon,Yong-Suk Park,Sung-Jun Kim,Jong-Ho Paik 대한전자공학회 2008 ITC-CSCC :International Technical Conference on Ci Vol.2008 No.7

        With the start of T-DMB service, diverse multimedia broadcasting services became available in the high-speed mobile environment. In addition to high-quality digital radio (audio) and television (video), diverse data services, such as Dynamic Label Segment (DLS), JPEG Slideshow (SLS), Broadcast Web Site (BWS), Traffic and Travel Information (TTI), interactive service using Binary Format for Scenes (BIFS), and Visual Radio, are being serviced. Currently, there is an increase in demand in the market for T-DMB monitoring system that can support all the data service available. In this paper, we present T-DMB monitoring systems that can simultaneously decode 6 services of different format within the two ensemble, through suitable algorithms and multi-thread techniques.

      • KCI등재

        ISD 모델에 기초한 농업인 안전교육 프로그램 개발

        김진모,이택선,이경숙,김경란,길대환,김효철,이찬 한국농업교육학회 2007 농업교육과 인적자원개발 Vol.39 No.3

        이 연구의 목적은 ISD 모델에 기초하여 농업인 안전교육 프로그램을 개발하는데 있으며,이를 위해 분석-설계-개발-실행-평가의 다섯 단계로 구성된 개발모형을 설정하였다. 구체적인 프로그램 내용을 개발하기 위해 환경분석,학습자분석,과제분석을 실시하였고,그 결과를 반영하여 ‘안전의식 함양’,‘근골격계질환’,‘농약중독예방’,‘농기계 안전 사용’의 4개 모듈과 10개의 레슨을 설계하였다. 요구분석 및 설계 결과를 바탕으로 농업인 안전교육 프로그램의 교재/보조 자료/매체를 개발하였다. 교재의 경우,학습자용과 강사용을 구분하여 개발하였다. 개발된 프로그램 및 운영체제에 대한 검토 및 보완을 위한 전문가 협의회를 개최하여 프로그램 시연회를 실시한 후 교육프로그램을 수정,보완하였다. 그 후,농작업안전시범마을의 농업인을 대상으로 농업인 안전교육 프로그램을 시험 운영하였고,그 결과를 반영하여 농업인 안전교육 프로그램을 완성하였다. 또한 이상의 프로그램 개발 과정을 통해 나타난 논점을 토대로 향후 교육 프로그램 개발을 위한 시사점을 제공하였다. The purpose of this study was to develop a agricultural safety and health training program based on ISD Model. We set up 5step(Analysis, Design, Development, Implementation, Evaluation) model for developing the program. After analyzing environment, learner and task, four modules(① Safety and Health Mindset, ② Musculoskeletal System Disorders, ③ Agrichemical Poisoning Prevention, and ③ Using Farm Machines Safely) and 10 lessons were designed. We developed teaching materials and supplement materials for the Agricultural Safety and Health Training Program based on need analysis and program design. Teaching materials consisted of the learner's and instructor's. The developed program was examined by expert groups and the weak points were revised through professional workshop. Finally, we tested the Agricultural Safety and Health Training Program at agricultural safety and health model village and fixed the program by reflecting the test results.

      • KCI등재

        기면병의 한 예

        이영호,박제경,염택구 大韓神經精神醫學會 1973 신경정신의학 Vol.12 No.3

        This is a brief case report of a narcolepsy. The case is a 26-year old married male. the patient was afflicted with a sort of epidemic encephalitis at the age of 11. The authors were able to control his diurnal attacks of sleep and concomitant muscular weakness with a Dexedrine rather than tranguilizers and supportive psychotherapy. The historical literatures are also reviewed, and the several clinical aspects of this particular syndrome are discussed..

      • KCI등재후보

        완전 고환성 여성화 증후군 1례

        이원주,김택훈,권경익,김종인,조남규,박세출 啓明大學校 醫科大學 1993 계명의대학술지 Vol.12 No.2

        저자들은 외형상 여성으로써 원발성 무월경과 양측 외음부 종양 촉지를 주소로 입원한 complete testicular feminization syncrome 1례를 경험하였기에 이를 문헌고찰과 함께 보고하는 바이다 The 46, XY individual with complete testicular feminization syndrome is a phenotypic female who is usually somewhat tall, has excellent breast development and presents to the gynecologist because of primary amenorrhea and an inguinal mass. In complete testicular feminization syndrome, axillary and pubic hair are sparse or absent and some degree of virilization such as clitorial hypertrophy, partial labioscrotal fusion and hirsutism doesn't occur at puberty. We report a case of complete testicular feminization syndrome with the brief review of literatures.

      • 環境製品에 대한 消費者 行動에 관한 硏究

        이종호,정경택,김은환 公州大學校 經濟經營硏究所 2000 經濟經營硏究 Vol.1 No.-

        We should not regard the notion of Green Marketing as a narrow field which just treats environmental protection and recycling at the level of the pursuit for commercial gains but regard it something wild notion which promotes all the functions, goals and human life. Green marketing is a means by which an enterprise try to accomplish the social responsibility through the way of life approach centered on the quality of human life. In relation to above statement, the purpose of this study is to help a company build the effective marketing strategies by the study which measures the recognition of consumer about the sense of environment, the sense of consumer about the Green Marketing practiced by the company, verifies the purchase behavior of consumer to the environmental production, treats the interrelation between the demographic variables such as gender, ages, income, occupation, educational background of consumer, and the recognition of comsumer about the sense of environment, the attitude of consumer about environmental productions. So, the enterprise's production and marketing activity which ignores the environmental problem is turned the colder shoulder from consumer, in terms of this, enterprise must divert its passive attitude to active attitude and make production which has good intention for environment. Also enterprise must develope the technical skill to produce production which for environment, with the sense of responsibility and ethics enterprise must do its business.

      • 지하 공동에 의한 근거리 회절 패턴

        이택경 한국항공대학교 1995 論文集 Vol.33 No.-

        지하에 존재하는 공동이나 터널 등이 구조물을 탐지하기 위한 방법으로서 연속전자파에 의한 탐사법에 관하여 해석하였다. 송신 신호의 파장이 공동의 크기와 비슷해지면, 수신 신호의 진폭 패턴에서 공동의 윗쪽과 아랫쪽에 해당하는 위치에서 신호의 강한 감쇄가 나타난다. 전자파 회절 패턴에서 가장 강한 감쇄가 나타나는 주파수를 찾기 위하여 유전체 매질 내에 존재하는 무한 길이의 원통형 공동에 대하여 해석하였다. 근거리 영역에서 특정한 주파수에 대해 총전장의 진폭패턴에서 doeble nuul이나 single null이 나타나며, null이 나타나는 지점에서 위상은 180˚ 불연속이 나타난다. 원거리 영역에서는 null이 나타나지 않으며, 가장 강한 감쇄는 dip의 형태로 나타난다. 축소모형에 의한 실험을 하였으며, 신호의 감쇄 패턴이 계산 결과와 일치한다. For the detection and location of high contrast geological anomalies such as underground air cavities or tunnels, a cross-borehole continuous wave (CW) electromagnetic probing scheme is investigated. When the wavelength of the transmitting signal becomes comparable with th size of a cavity, two significant signal drops in the amplitude pattern of the received signal occur ar the points corresponding o the top and bottom boundaries of th cavity. To find th signal frequency providing the strongest double dips, diffraction patterns scattered by a circular cylindrical cavity in a dielectric medium are analyzed. At a specific frequency, the double dips in the amplitude pattern of the total field become double nulls or a single null in the near-field region. Furthermore, the phase of the total field jumps 180℃ at the null point. In the far-field region, however, thestrongest signal drop is evolved intodouble dips of finite signal drops. A scale-down experiment is performed and its double dip patterns agree well with the numerical simulation.

      • 쾌속 3차원 조형 시스템을 활용한 장신구 제작방법의 개발

        이호용,임중연,김경아,범형택 東國大學校 1998 東國論叢 Vol.37 No.-

        This paper is concerned with the new production method for jewelry by using rapid prototyping system. this system can directly produce the three-dimensional prototype shape of jewelry based on CAD modeling. Recently, rapid prototyping technology has been regarded as a powerful concurrent tool for integrating design and manufacturing process. In view of this, our study focuses the attention on the new application of this technology into the prototype production of jewelry which has been manufactured almost by hand. The characteristics of various RP systems are presented and one distinct jewelry example has been produced to show that out method is quick and efficient.

      • 이질균의 병원성과 수종의 염색체 흡착능과의 상관성

        이경민,설성용,조동택 慶北大學校 醫科大學 1991 慶北醫大誌 Vol.32 No.1

        To study the correlation between virulence and dye binding of Shigella, 4 invasive strains and 6 non-invasive mutants of S. flexneri to HeLa cell were subjected to investigate the binding ability to congo red, basic fuchsin, safranin and crystal violet in both agar plate and solution. All virulent strains were pigmented on the agar plate containing dyes and some of avirulent mutants also pigmented. Few strains of avirulent mutants showed different dye binding by the concentration of dyes. Dye binding in solution, virulent strains were more binding to the dye than avirulent mutants, but there was no significant statistical difference. Longer the incubation time, more take up the amounts of dyes. But, 1 hour incubated strains were less binding to the dye than 24 hour incubated strains in solution containing crystal violet. There were not always correlation between agar plate and solution in degree of dye binding. To study the correlation between virulence and plasmid carriage, electrophoresis of plasmid DNA was carried out. Four invasive strains of S. flexneri harbored 140 megadalton (Mdal) plasmids and all non-invasive mutants of S. flexneri harbored plasmids between 57 and 95 Mdal, instead of 140 Mdal.

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