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Scalable coding and link adaptation for machine-to-machine telecardiology
Medical telemetry is one of the most demanding applications in recent wearable computing era. Telecardiology, which uses the power of telecommunications for the remote diagnosis and treatment of heart diseases, is one of the key telemetry applications that leverages IoT-based technologies to improve patient care. Based on recent advances in wearable sensors and telecommunication technologies, this thesis proposes a universal platform for wearable daily cardiac monitoring service. First, we propose an adaptive framework for layered representation and transmission of ECG (electrocardiography) data that can accommodate a time-varying wireless channel on cellular networks. The representation, combined with the layer-based earliest deadline first (LB-EDF) scheduler, ensures that the perceptual quality of the reconstructed ECG signal does not degrade abruptly under severe channel conditions and that the available bandwidth is utilized efficiently. Simulation shows that the proposed approach significantly improves the perceptual quality of the ECG signal reconstructed at the remote monitoring station. Then we extend the proposed adaptive framework to support time-critical medical applications. In fact, the use of wireless technologies has been avoided for medical situations that demand instantaneous cardiac monitoring because of their considerable and nondeterministic end-to-end latency. This thesis introduces a universal platform for machine-to-machine (M2M) telecardiology over cellular networks, along with a novel conservative modulation and coding scheme to minimize and stabilize the delay down to 10 ms of ultra-low latency level, incurred during the process of ECG transmission over a wireless medium while maintaining the desired level of ECG pattern quality required for improving the chance of its interpretation. Machine-type communication (MTC) system is adopted for the delivery of patient ECG data to benefit from its inherent reliability, pervasiveness, security, and performance of 4G long term evolution (LTE) technologies with reduced cost and enhanced coverage. Extensive evaluations indicate that the proposed system provides a sufficient level of service for medical-grade instantaneous ECG monitoring in significantly deteriorated channel conditions.
조용우 동국대학교 지역개발대학원 1995 국내석사
The principal types of city development which this study is going to contemplate is great-sphere city development according to the solidarity among cities. The types of development include great-sphere city development, (re-) development, new city development, city redevelopment, but we can choose different types of city development in accordance with each city's peculiarity and its problem. City is a complicated organism, and always changes and develops. It may be natural that city faculty, land use. space formation, and life environment can cause the inconvenience of the civic life through such a process. But the ultimate purpose of city development is to reform disability of city life utmostly. That is, as the quantitative and qualitative level in land use changes according to increase in population, industrial development, and social, cultural development, city space formation which is spatial and time life destruction process of each important material factor in the inner part of city, should be distributed in order to accept such changes. Cities in Korea, especially Ulsan, have accumulated much physical, social, and economic problem in the process of industrialization. Population has already passed one million and two hundred thousand. especially old range of Ulsan city which fairly experienced urbanization has seven hundred and fifty thousand people and its density of population exetended to 4,148㎢. This concentration of population brought about serious city problem, and this made new point of view and design on city development. But in case of applying city development skill such as existent city redevelopment. it. must cause more serious city development skill by the judgment of accomplishing city development in comprehensive point. The concept of nit city which primarily organizes administration was used rather than the concept of great-sphere city in discussing city problem up to now. we can see the political attempt that cities get out of each city's administrative area and bind adjacent cities and solve city problem in the point of great-sphere contact development. That present cities are under open system and a city is in the interdependent relationship between adjacent cities and rural communities and administrative area is of no use any more according to the rapid urbanization show the possibility of great-sphere development. Moreover. there are merits that limited resources which are scattered about can be used efficiently and that the cost of the supply of city service is reduced according to scopic economy theory and that the external economy efficiency and social cost can be distributed among cities and that the double supply of service between adjacent cities and rural communities can be prevented. Ulsan was promoted to Ulsan city including the adjacint areas of existent Ulsan-Eup and Ulsan-Kun according to number 1068 of law in 1962. this brought about much abuse in the process of industrialization. Residential population in Ulsan amounted to 821.000 in 1991. but the increase in population can't correspond to all parts of society including dwelling faculties and internal expansion is going on, In the land use which is made to cope with this, there is much problem followed by town planning or the Multiple purpose Development' of the Land Act and the excessive establishment of Green Belt and inefficiency of using available land. Thus, this study presented great-sphere development as a new political substitute to overcome this problem. The basic details are presented below. First, there should be resonable quantity of land space and its arrangement for population acceptance and be the guarantee of facilities which are closely related to the close connection with existent cities and the guarantee of appropriate green tract land and the guarantee of housing and commercial area and inhabitants' lives. Second, there should be the established system of great-sphere traffic network which coincidences the efficient use and function of city space, taking into account the increase of cars and transportation facilities of industrial cities caused by the serious traffic problem, and is needed the equipment of horizontal network to devise the organic connection of the internal trunk line roads. Third, in communication, we should consider the assignmental rate of telephone which is the direct communication medium. and should accomplish the automation of equipments, the reinforcement of service, the construction of synthetic informational communication network, the active introduction of new communication means, and the expansion of public: communication network. Fourth, we should be able to support the structural reform of manufacturing industry, the advance of industrial structure through the latest point, and the construction of new jumping foundation. Fifth, we need the higherness of housing to accomplish efficiency and purpose of land in life environment, especially housing problem, and need to induce quantitative housing policy for the reformation of life guide post together with the qualitative growth. Together with this formation of basic details, it is desirable to select regions which can contain authority about 40 km arranging Ulsan city as the center for the target area to develop great-sphere area. Making the standpoint of Ulsan, Kyungju and Yangsan is already included into the direct zone of life and it is directly related with traffic network and distribution of resources among the external communities. Although Kimhae and Pusan have less influence than Yangsan, they have influence on attending office and attending school. But when we accomplish great-sphere development, Yangsan and Kyungju are advantageously located in geographic and topographic points. In view of traffic network, Ulsan national highway, national highways 7, 24, 35 which connect Kyungju express way can connect Yangsan, and Ulsan national highway not only is connected with Kyungbu express way but also can make easier to connect national highway 7, 35 with local road 1025 in Yangsan. In view of economy district, Yangsan and Kyungjn have the geographic merit of adjacency, the difference of resources which Yangsan and Kyungju have brought up the necessity of more important great-sphere development for Ulsan. But when we accomplish this plan, it is the point that industrial equipment for the performance of great-sphere development is not prepared. The institutional equipment should choose either metro government method or the institutional which establishes and administers independent special district which influences necessary functions on great-sphere area, considering the peculiarity of Ulsan great-sphere range.
청소년이 지각한 부모와의 애착과 스마트폰 과용의 관계 : 회복탄력성의 매개효과
본 연구는 청소년이 지각한 부모의 정서적 돌봄과 과보호적 통제가 각각 회복탄력성을 통해 스마트폰 과용을 예측하는 심리적 경로를 애착이론에 근거하여 조사하였다. 서울지역에 거주하는 남녀 중학생 889명을 대상으로 부모 돌봄과 과보호, 회복탄력성, 스마트폰 과용을 측정하는 3개의 척도들을 사용하여 수집된 자료를 구조방정식을 사용하여 분석하였다. 분석 결과, 회복탄력성은 부모 돌봄 및 과보호와 스마트폰 과용을 각각 완전 매개하는 것으로 나타났다. 이러한 두 가지 구조모형의 공통점은 부모로부터 공감적 돌봄을 많이 받고 과보호적 통제를 적게 경험한 청소년일수록 어려움에 직면했을 때 이를 극복하는 내적 자원이 풍부하며 내적 자원이 풍부할수록 스마트폰을 적게 사용함을 나타내는 것이다. 이러한 결과에서 특히 주목할 것은 청소년 자녀의 자율성과 독립성을 저해하는 부모의 지나친 간섭과 과보호적 통제는 청소년 자녀의 스마트폰 과용에 직접적인 영향을 미칠 수 있다는 것이다. 본 연구결과의 상담적, 교육적 의의가 연구의 제한점과 추후 연구방향과 함께 구체적으로 논의되었다. The purpose of this study is to predict the adolescence’s psychological pathways based on the attachment theory, in which they perceive how the parental care and overprotection respectively impact smart phone overuse through resilience. A total of 889 middle school students from Seoul participated in this study and responded to three scales to measure parental attachment, resilience, and smart phone overuse. Results indicate that resilience fully mediates respectively between parental care and smart phone overuse, and parental overprotection and smart phone overuse. Both models indicate that the more adolescence experienced care and less overprotection would have more internal strength during hardship, which would reduce the usage of smart phone. Based on this result, it should be noted that parental interference and overprotection that restrict the adolescence’s autonomy and independence would directly impact the adolescence’s smart phone overuse. Based on this research finding, counseling and education’s significance, limitations, and further research were discussed.
성취욕구가 창업의지에 미치는 영향 : 창업교육 교수자 역량의 조절효과
조용우 중앙대학교 산업창업경영대학원 2020 국내석사
전 세계적인 경제불황을 타파하기 위한 대안으로 창업이 급부상하면서 창업교육에 대한 의의와 목적이 대두되었다. 창업교육은 창업을 실행하고자 하는 사람들에게 필요한 전문지식과 기술의 습득을 통한 기업가적 역량증진과 함께, 창업의 활성화를 위한 교육생의 창업의지 함양을 목적으로 한다. 이에 대표적인 창업역량으로 평가받는 성취욕구에 관한 연구는 과거 경제개발과 학습이론과의 관계에 있어 연구 의의가 존재하였지만, 현재 고도의 경제성장 및 창업과 관련된 새로운 이슈의 등장으로 인해 연구의 중요도가 감소하는 추세이다. 또한, 시대가 변화함에 따라 과거 교수자의 역할로 볼 수 있는 단순한 전문지식의 전수가 아닌, 학습자의 참여를 유도하고, 현실이 반영된 실질적 지식을 적용한 교육프로그램의 구성과 교육생의 경험을 확대하는 현대기술의 활용 등이 강조되는 미래 교육의 특성을 바탕으로, 누군가를 가르치는 일 자체에 국한되지 않는, 폭넓은 시각에서 교수자 역량의 변화에 관한 연구가 필요하다. 이에 본 연구에서는 창업 활성화의 근원이라 할 수 있는 창업의지에 영향을 주는 요인을 밝히고, 이들 간의 인과관계를 창업교육생의 시점에서 규명하고자 한다. 대표적인 기업가적 역량인 성취욕구와 창업의지 간의 관계를 검증함과 동시에 두 변수 간 창업교육을 진행하는 교수자의 역량이 어떠한 조절효과를 띄는지 실증하는 것을 목적으로 한다. 본 연구의 목적을 달성하기 위해 창업진흥원과 대전경제통상진흥원 주관 청소년 창업교육지원사업을 운영하는 대전 관내 6개 고등학교 재학생 129명을 대상으로, 창업교육을 이수한 교육생의 성취욕구가 창업의지로 이어지는 일련의 프로세스를 탐색하면서, 창업교육 교수자 역량의 조절효과를 검증하였다. 본 연구결과 첫째, 성취욕구와 창업의지가 긍정적인 관계가 있음을 실증분석을 통해 확인함으로써, 창업의지 발현에 있어 대표적인 개인역량으로 평가받는 성취욕구가 창업의지의 긍정적 요인으로 작용함을 주장한 기존 선행연구들에 대한 또 하나의 근거를 제시하고 이론적 기반을 제공하였다. 둘째, 성취욕구와 창업의지 간의 창업교육 교수자 역량이라는 조절변수의 실증분석을 통해 상호변수 간 긍정적인 관계가 있음을 확인함으로써, 창업교육 교수자 역량배양의 중요성을 제기하며, 시대에 따른 창업교육 교수자의 역할변화에 필요성을 시사하였다. 따라서 예비창업자 및 잠재적 창업자의 창업을 촉진하기 위해서는 창업교육을 통해 교육생의 기업가적 특성의 배양이 매우 중요하며, 이를 뒷받침해 줄 수 있는 전문적인 창업교육 교수자 역량의 발현을 통해 창업의 활성화를 위한 실질적이고 체계적인 창업 훈련기회가 제공되어야 함을 시사하였다. As an alternative means of overcoming the global economic slowdown, creating start-ups has emerged sharply, thus raising the meanings and purposes of start-up education. Start-up education aims at nourishing entrepreneurial intention of trainees needed for activating the startup business by providing expertise knowledge and obtaining skills along with building up the entrepreneurial competence. The study on the achievement needs, that is appreciated as an typical startup competence has been attempted in the past in the context of economic development and learning theory but the importance of it has been in decreasing trend in line with high economic growth and emergence of new issues relating to new business creation. Moreover as time changes the role of startup trainers is needed to go into the direction where the trainees are required to take part in the program directly from the past practices where trainers just played the role of transmitting the knowledge. In this way the education program is built to reflect reality and practical knowledge and real experiences of the trainees are expanded. In this context a new study is needed to explore the trainers competence from a wide perspective. This study attempted to identify the factors affecting entrepreneurial intention that is thought to be the base of activating startup business and the cause and result relationship from the trainees point of view. By verifying the relationship between achievement need and entrepreneurial intention , the two typical startup competences, it also aims at proving the moderating effect of the trainers competence in the process of startup education. To achieve the study purpose, the study was progressed around the one hundred and twenty nine senior high school students of seven Senior High Schools in Daejeon. These schools are supported by Korea Institute of Startups and Entrepreneurial Development and Daejeon Business Agency in terms of supporting a youth startup business creation education. The students who participated in the empirical study are the ones who completed startup training and the verification was made by exploring the process starting from achievement need to entrepreneurial intention and moderating effect of the trainers. As a result of the study the following facts were found. First, it was confirmed that there is a positive relationship between the achievement needs and entrepreneurial intention by the empirical analysis and this fact provides another basis for pre-studies that claimed the same theory and theoretical base. Second, by confirming the positive relationship of the trainers’ competence as a moderating variable for the relationship between achievement needs and entrepreneurial intention, the importance of the trainers’ competence and the necessities of the trainers role were implied. Therefore it will be important to develop entrepreneurial characteristics of startup trainees through startup education to facilitate the business creation for perspective and potential startup candidates. Also the study suggests that the realistic and systematic startup training opportunity will have to be provided to activate new business creations.
조용우 경기대학교 교육대학원 2006 국내석사
본 연구의 목적은 현재 실행되고 있는 7차 교육과정에서 고등학교 남자, 여자학생의 이과, 문과의 체육수업에 대한 인식 조사연구를 통해 효과적으로 체육교육과정을 운영하고 관리하여 학교체육 현장에서 도움이 될 수 있는 기초 자료를 제공하는 데 있다. 본 연구의 대상과 방법으로는 서울지역의 4개 남녀공학 고등학생, 총 570명을 무작위 추출하여 설문 응답하는 방법을 이용하였다. 본 연구를 수행하기 위해 사용된 설문지는 선행연구자료인 '체육수업에 대한 고등학생들의 인식도 조사'(강인표, 2001)에서 사용한 설문지를 바탕으로 설문지를 수정·보완하여 사용하였다. 자료 처리는 SPSS ver.12.0 프로그램을 이용하여 성별·학년별·계열별에 따른 체육수업 선호도 및 운영에 대한 인식도, 체육수업의 효과에 대한 인식도, 체육교사에 대한 인식도, 체육성적 평가에 대한 인식도, 시설 및 기구에 대한 인식도 등 총 5개 영역간의 관련성을 빈도분석(Frequency), 교차분석(Χ2 검증), T 검증을 통하여 결과를 도출하였다. 그 결과 얻어진 결론은 다음과 같다. 1. 체육수업 선호도 및 운영에 대한 인식 체육수업에 대한 관심 정도는 전체적으로 "좋아한다"라는 반응을 보였으며, 성별 차이로는 비교적 2학년 남학생이, 3학년은 여학생이 체육수업을 더 선호하는 결과를 보였다. 그리고 체육수업에 흥미를 갖는 이유로는 성별·학년별·계열별과 관계없이 친구들과 즐길 수 있어서라는 응답이 가장 많았고, 체육수업으로 가장 희망하는 종목은 성별에 관계없이 구기 종목인 것으로 조사되었다. 한편, 희망하는 주당 체육수업 시수는 전체적으로 2시간이라는 응답이 가장 많았고, 향후 체육교사 희망 정도는 전체적으로 생각해 본적이 없다는 응답이 가장 많았으나, 3학년 남학생의 경우 다소 높은 반응을 보였다. 2. 체육수업의 효과에 대한 인식 체육수업의 효과에 대한 인식도 면에서는 2학년이 3학년 보다 높게 나타났으며, 스트레스와 긴장해소 등 정신적 도움정도는 2학년 남학생 중 이과 반이 문과 반 보다 도움이 된다고 생각하는 것으로 나타났다. 그리고 긍정적 인격형성에 도움정도는 2, 3학년 모두 문과 반 남학생들이 같은 계열여학생에 비해 도움이 된다고 생각하는 것으로 나타났다. 3. 체육교사에 대한 인식 평소 체육교사에 대한 인식은 전체적으로 "그저 그렇다" 가 가장 많았으며, 이과 반이 더 자상하다고 느끼는 것으로 나타났다. 체육교사의 실기능력에 대한 인식은 전체적으로 "실기 이론 모두 부족하다", "특정 종목만 잘하다.", "실기만 잘 한다. "순서였으며, 체육교사의 지도능력은 남,녀의 차이가 없이 뛰어나는 것으로 나타났다. 또한 학생 의견에 대한 교사의 수용 태도에 대한 인식은 "조금 존중 한다"라는 응답이 가장 많았으며, 타 교사 대비 체벌 정도는 전체적으로 2학년이 3학년 보다 체벌이 없다고 느끼고 있는 것으로 나타났다. 4. 체육성적 평가에 대한 인식 채육성적에 대한 평가에 대해 전체적으로 객관적이라는 응답이 가장 많았고, 체육과 평가방법은 전체적으로 "실기위주"라는 반응이 가장 많았으며, "이론과 실기 반반", "실기·이론·태도 등 종합적"이라는 순으로 나타났다. 그리고 성적평가의 공정성은 전체적으로 "공정하다"는 응답이 가장 많은 것으로 나타났다. 5. 시설 및 기구에 대한 인식 가장 선호하는 체육수업 장소는 전체적으로 체육관이라는 응답이 가장 많았고, 남학생은 운동장을, 여학생들은 체육관을 선호하는 것으로 나타났다. 체육시설 및 운동기구에 대한 인식은 전체적으로 "부족한 편이다"라는 응답이 가장 많았으며, 체육수업 시 부족하다고 생각되는 시설은 응답자 모두 체육관시설이라고 답했고 다음으로 운동기구, 세면시설 등이 부족하다고 느끼는 것으로 나타났다. This study aims at inquiring into the understanding of high school students of science and liberal arts class concerning physical instruction in the seventh curriculum, which is now being practiced, to provide school's physical spot with basic data for effective operation and management of physical curriculum. It made random sampling of total 570 people out of students attending four coeducational high schools located in Seoul area to make a survey. It made an amendment and complement of a questionnaire used in the preceding study data, A Study on the Understanding of High School Students Concerning Physical Instruction (Kang In-pyo, 2001), to make use of it. It made use of SPSS ver.12.0 program to draw the relation between five spheres such as the preference of physical instruction and understanding of the operation, and understanding of the effect concerning physical instruction, physical teachers, physical record evaluation, and physical facilities and tools based on the sex, grade and department through the Frequency, Cross tabulation (Χ2 testing) and T testing. The results are as follows. 1. The preference of physical instruction and understanding of the operation It showed that boy students take more interest in physical instruction than girl students. That's why they can share their joy with company regardless of sex, grade and department. All students have a preference for lines of ball game with the exception of girl students who prefer gymnastics. The number of time of physical instruction they want is two hours per week, which boy students prefer a physical instruction to girl students. Boy third-year grade students have the most hope of physical teacher regardless of sex, grade and department in the future. 2. The understanding of the effect concerning physical instruction It showed that third-year grade students have high understanding of the effect concerning physical instruction, compared to second-year grade students. And second-year grade students of science class feel that physical instruction is a help to getting rid of stress and tension, compared to those of liberal arts class. Also, many of students think that it is a help to forming positive character. 3. The understanding of physical teachers It showed that many of them think physical teachers as so-so. There is no difference between grade and sex, which students of science class feel that physical teachers are attentive, compared to those of liberal arts class. Boy and girl students think that physical teachers are good at only special lines and practical training, respectively. And second-year grade boystudent of science class think that they are autonomous and characteristic in physical instruction, while third-year grade boy students of liberal arts class think that they teach an experience-centered education than theory. There is no big difference between male and female in guiding ability by order of "so-so", "be distinguished" and "be short" Many of students think a little highly of their opinion, which physical teachers don't inflict corporal punishment on students compared to other teachers. 4. The understanding of physical record evaluation It showed that many of students think the evaluation as objective, which third-year grade students think it as so-so compared to second-year grade students. And students give an answer to the evaluation method by order of "practical training-centered", "mixed theory and practical training half and half" and "theory, practical training and attitude". Many of them think it as fair. 5. The understanding of physical facilities and tools It showed that boy and girl students prefer physical instruction in playground and gymnasium, respectively. And they think physical facilities and tools as lacking regardless of male and female, which they cry for by order of gymnasium, sporting equipment and washing facilities.