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- 저자 : 高永鎬 (검색결과 367 건)
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高永鎬 大田大學校 1982 論文集 Vol.1 No.1
I am going to look back upon the traits of the economic developments achieved through 1960's to 1970's in korea and analyze some of merits and demerits that happened during those periods. According to this analysis, I'll synthesize my own opinion as follows : 1. The priority of development has changed from social over-head capital to light industry and heavy industry, therefore we faced to the unbalance of industrial structure. Equity of distribution has been disturbed by high price mind and products which resulted from pursuit of planned aims. 2. The deficit in balance of payment caused by pursuing the export-drive policy was not reduced that elasticity of national economic operation is rigidity and some of large enterprises shared the domestic market oligopolly. 3. Perfect self-sustained situation of national economy became far a way be enormous induction of foreign capital. 4. Development of technical-intensive industry was delayed by emphasizing the scale of economy too much. 5. Development of social welfare was delayed by other economic projects. Secondly, I am going to anticipate the situation of economic development during 1980's. Thirdly, as the economic development is being accomplished there happend problems of the natinal welfare by increasing national needs. When I analysise the problems, I am going to arrange their order as follows : ① GNP ( Gross National Products ) ② MEW ( Measures of Economic Welfare ) ③ NEW ( Net Economic Welfare ) ④ S I ( Social Indicator ) Particulary I am going to describe with detail about social Indicator, which is significant conception used frequently for the measurement of national welfare level. In describing Social Indicator, I'll explain the items of it as follows : 1. Historical background 2. Conception 3. Comparative study ① United Nations ② OECD ③ United States and Japan ④ South Korea Next, I would like to describe the fuction and problems of social indicater and lastly suggest the basic directions of national welfare as follows : 1. Whoever works hard can have the conviction that He can be free from starvation, shabby-clothing and meager shelter. 2. Everyone should be free from ignorance and disease equally and allowed opportunity to pursue happiness under the same conditions. 3. Everyone should be free from the fear of crime, disaster and compensated justly for his contribution and services. 4. Everyone should not be treated unjustly by education, sex and wealth and given equal opportunity socially and economically. In conclusion, I want that we are going to enjoy the "Equity of Society".
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A Study on Distributed System Construction and Numerical Calculation Using Raspberry Pi
고영호,허규성,이상현 한국인터넷방송통신학회 2019 Journal of Advanced Smart Convergence Vol.8 No.4
As the performance of the system increases, more parallelized data is being processed than single processing of data. Today's cpu structure has been developed to leverage multicore, and hence data processing methods are being developed to enable parallel processing. In recent years desktop cpu has increased multicore, data is growing exponentially, and there is also a growing need for data processing as artificial intelligence develops. This neural network of artificial intelligence consists of a matrix, making it advantageous for parallel processing. This paper aims to speed up the processing of the system by using raspberrypi to implement the cluster building and parallel processing system against the backdrop of the foregoing discussion. Raspberrypi is a credit card-sized single computer made by the raspberrypi Foundation in England, developed for education in schools and developing countries. It is cheap and easy to get the information you need because many people use it. Distributed processing systems should be supported by programs that connected multiple computers in parallel and operate on a built-in system. RaspberryPi is connected to switchhub, each connected raspberrypi communicates using the internal network, and internally implements parallel processing using the Message Passing Interface (MPI). Parallel processing programs can be programmed in python and can also use C or Fortran. The system was tested for parallel processing as a result of multiplying the two-dimensional arrangement of 10000 size by 0.1. Tests have shown a reduction in computational time and that parallelism can be reduced to the maximum number of cores in the system. The systems in this paper are manufactured on a Linux-based single computer and are thought to require testing on systems in different environments.
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인공치용 바이오 세라믹스의 제조 및 특성 (1) : 제조 및 소결특성 Fabrication and Sintering Characteristics
고영호,한복섭,이준희,최석규,최진원 대한금속재료학회(대한금속학회) 1994 대한금속·재료학회지 Vol.32 No.10
Bioceramics for artificial dental crowns in dentistry have been fabricated by sol-gel process and melting method, respectively. Sintering characteristics have been investigated after compositing powder mixtures relative to leucite content(0∼30wt.%) added to glass matrix. Highly pure leucite powders have been fabricated by sol-gel process and glass powders have been manufactured with 20∼30㎛ particle size by a melting method. Sintering temperatures could be controlled from 1020℃ to 1175℃ relative to the powder mixtures of leucite and glass powders. The relative sintered density was 80∼83% of theoretical density. Shrinkage was about 20∼25% after sintering.
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무선 LAN을 위한 적층 구조의 Bow-Tie Antenna의 설계
고영호 한국전자파학회 2000 한국전자파학회논문지 Vol.11 No.8
There are many researches to increase bandwidth of the microstrip patch antenna for wireless LAN. In spite of broad bandwidth, Bow-Tie antenna has disadvantages that are low gain and big size. In this paper, stacked Bow-Tie microstrip patch antenna for wireless LAN is designed in 5.725 ~5.825 GHz band. This antenna has characteristics that are broadband bandwidth, high gain and small size compared with microstrip patch antenna. In simulated results, the return loss is -34.2 dB at 5.78 GHz and bandwidth is 11.345% for VSWR 2:1 and 7.75%for VSWR 1.5:1. In measured results, the return loss is -38.45 dB at 5.78 GHz and bandwidth is 13% for VSWR 2:1 and 5.6% for VSWR 1.5:1. It has 73.16$^{\circ}$ -3dB beam width and 6.5dB gain. 무선 LAN용 안테나로 주로 사용하는 마이크로스트립 패치 안테나에 대역폭을 증가시키기 위한 여러 가지 연구가 활발히 이루어지고 있다. 광대역 마이크로스트립 패치 안테나인 Bow-Tie 마이크로스트립 패치 안테나의 경우 대역폭이 비교적 넓지만 상대적으로 이득이 낮고 크기도 크다는 단점이 있다. 본 논문에서는 넓은 대역폭을 가지며 중심푸자수에서 상대적으로 이득이 높고 작은 크기를 가지는 적층 구조의 Bow-Tie 마이크로스트립 패치 안테나를 무선 LAN용 주파수인 5.725~5.825GHz 대역에 맞추어 설계하였다. 제안된 안테나는 모의 실험상에서 중심주파수가 5.78GHz일 때 반사손실이 약 -34.2 ㏈이고 VSWR 2:1 일 때 약 11.34%, VSWR 1.5:1일 때 7.4%의 대역폭을 가지며 제작된 실제 적층 구조의 Bow-Tie 마이크로스트립 패치 안테나의 경우 반사손실이 5.78 GHz에서 약 -38.45 ㏈이며 VSWR 2:1일 때 약 13%, VSWR 1.5:1일 때 5.6%의 대역폭을 가지며, -3㏈ 빔폭은 73.16$^{\circ}$, 6.5 ㏈의 이득을 가졌다.
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고영호,김갑중,최병석,한원석,윤천주,주정진,Ko, Y.H.,Kim, K.J.,Choi, B.S.,Han, W.S.,Youn, C.J.,Ju, J.J. 한국전자통신연구원 2019 전자통신동향분석 Vol.34 No.5
A quantum light source is an essential element for quantum information technology, including quantum communication, quantum sensor, and quantum computer. Quantum light sources including photon number state, entangled state, and squeezed state can be divided into two types according to the generation mechanism, namely single emitter and non-linear based systems. The single emitter platform contains atom/ion trap, solid-state defect/color center, two-dimensional material, and semiconductor quantum dot, which can emit deterministic photons. The non-linear based platform contains spontaneous parametric down-conversion and spontaneous four-wave mixing, which can emit probabilistic photon pairs. For each platform, we give an overview of the recent research trends of the generation, manipulation, and integration of single photon and entangled photon sources. The characteristics of quantum light sources are investigated for each platform. In addition, we briefly introduce quantum sensing, quantum communication, and quantum computing applications based on quantum light sources. We discuss the challenges and prospects of quantum light sources for quantum information technology.
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저항운동이 성인비만여성의 신체구성 및 혈중지질, 지단백에 미치는 영향
고영호 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.4
The purpose of this study to examine the effects of 12 weeks' resistance exercise program on blood lipid, lipoprotein, body composition of obese women in their twenties and in their forties(7 women each). The exercise program was conducted five time a week, each time for 60-65 minutes from the 1st to 6th week with 50% of 1RM, and from the 7th to the 12th week with 60% of 1RM. The training was repeated 10~15 times by two sets each. As a result with regard to blood lipid, lipoprotein, body composition before and after the program, there were significant differences in Total Cholesterol(TC), Low Density Lipoprotein Cholesterol(LDL-C), Atherogenic Index(AI), and High Density Lipoprotein(HDL-C) between two groups, while Triglyceride(TG) were significantly different only in the women's group in their twenties. The two groups also showed meaningful results in weight, body fat mass, % body fat, % abdominal fat, BMI, and the amount of muscles. The results above indicated that 12 weeks' exercise program would reduce the danger of adult diseases and had an positive effect on the improvement of body construction, though there were a few different aspects of the factors between two groups. With the improved prescription of exercise program by considering the obese women's age, the quality of the body, the strength and period of exercise, and so on, more positive effects can be taken on obesity management and on the prevention of adult diseases.
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