방송과 통신의 통합서비스를 위한 통신망 구조에 관한 연구

전용희,박수영 대구효성가톨릭대학교 응용과학연구소 1997 응용과학연구논문집 Vol.6 No.1

According to the development of information communications technology, the boundaries among broadcasting, communications and video industries are being blurred. Especially, the convergence of broadcasting and communications is expected to be accelerated in the near future because of their similarity in terms of technology. Therefore, it is in urgent request to devise the proper network architecture in order to provide efficiently the integrated services of broadcasting and communications. In this paper, we made an extensive study on the network architecture for the integration of broadcasting and communications services. The reference models for the access network architecture from the several worldwide standard bodies are analyzed. The progressive strategy for the migration from existing services to future services is also described.

급성 포름알데히드 가스 흡입에 의한 흰쥐 후각상피의 형태학적 변화

백선용,전재기,문용석,황승영,노환중,고의경,왕수건 대한해부학회 1998 Anatomy & Cell Biology Vol.31 No.3

A Study on Export Promotion Strategy of K-Beauty Korean Wave Products: Focused on Cosmetic

Jeon,Dong-Han,Lee,Pyoung-Soo,Seo,Yong-Won 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-

This study aims to inquire into strategies for promoting export by investigating the real Korean Wave products of K-Beauty through approaching closer to the formation process of Korean Wave and Korean Wave products. In the first place, this study chose classification method of Korean Wave products from K-Beauty products by examining and reviewing general situations and various factors of Korean Wave. After this process, this study inquired into the strategies for promoting export of K-Beauty products. In the last place, the implications of the study were clarified. The items which benefited most from Korean Wave by the recent Korean Wave fever correspond to cosmetics, accessories, women s wear, cellular phones, confectionery, beverages and cigarettes. In addition to K-Beauty, it will be required to expand the area in a more diversified way toward K-Food, K-Health and K-Town, aiming at sustainable development of Korean Wave.

지역별 건설업 인력수급 현황 분석에 관한 연구

전찬민,전용일,황찬수,박태근 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2

In currency crisis(IMF relief loan), the construction industry has prepared a foundation for existence by taking such desperate countermeasure as reducing a lot of construction companies and readjusting the their structure. Even though a number of employee of construction industry came to a million in 1996, it reduced to 980 thousand in 1997 and 710 thousand in 1998. After 1998, there was the trend about reducing a number of employee every year. The final goals of this study have inquired into the current situation of manpower supply and demand per region, compared and analyzed the circumstance of manpower supply and demand, and utilized references in decision-making between construction companies and students.

가족력이 있는 알코올 의존환자의 자기지각 및 충동성

전현수,박용천,김석현,양병환,이정식 漢陽大學校 精神健康硏究 2000 精神健康硏究 Vol.19 No.-

지형학적 인자에 의한 미호천수계의 유황분석

전민우,최동해,조용수 충북대학교 건설기술연구소 2002 建設技術論文集 Vol.21 No.2

The correlation equations were proposed to predict the flow duration of ungaged basin by regression analysis based on geomorphological factors. The proposed correlation equations give good results in consequence of application in Kagyung stream basin and Samki stream basin. Among the flow duration, the correlation coefficient of fruitful water discharge was the smallest value, on the hand, the correlation coefficient of reference low water flow was appeared to be the largest value. The correlation coefficient including only stream slope S as the independent variable was the smallest value, on the other hand, in the case of including basin area A and stream length L or A, L, S as the independent variable the correlation coefficient appeared to be the largest value and in this case, the two correlation coefficient were very close. These proposed correlation equations can be used to grasp the flow duration by acquiring the geomorphological factors of ungaged stream basin.

노인의 운동유형에 따른 혈관탄성과 혈압의 반응

전용수,김일곤,이종호,차진 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.6

The purpose of this study was to analyze the response of Vascular Compliance and blood pressure on aerobic, muscular endurance, stretching exercise and to ascertain the best effects of exercise for improve vascular health in the Elderly men, The subjects were 20 old men, I measured blood pressure and vascular compliance pre and post exercise. For the data, all the measurement were represented by mean(M) and standard deviation(SD) using SPSS package(version 10.0). Statistical techniques for data analysis were paired t-test to determine the difference in pre-post data into group and were one-way ANOVA to determine the rank between group, The Conclusions of this study were as follows; 1. The vascular compliance(p<.01) and blood pressure(p<.05) showed significant differences between pre and post exercise in aerobic exercise groups, 2, The vascular compliance(p<.000) and blood pressure(p<.01) showed significant differences between pre and post exercise in muscular endurance exercise. 3. The vascular compliance(p<.000) and the systolic blood(p<.01) showed significant differences between pre and post exercise in stretching exercise, But diastolic blood pressure showed no significant(p<.437) differences between pre and post exercise. 4. The vascular compliance showed significant(p<.05) only left ankle which differences in order of muscular endurance, stretching, aerobic post-exercise between group. The systolic blood pressure showed significant(p<.001) which differences in order of aerobic, muscular endurance, stretching and the diastolic blood pressure showed significant(p<.01) which differences in order of muscular endurance, aerobic, stretching past-exercise between group.

우리나라 電子工業 育成方向에 對한 硏究

田秀一,宋甲鎔 光云大學校 1974 論文集 Vol.3 No.-

The present century is characterized by the Electronic Age indebted to the remarkable advancement of the electronic technique and the enlargement of its application sphere from our daily life to the space development especially since World War Ⅱ. In a word, the electronic industry is regarded as the labor and brain-intensive industry which has ahigher additional value than anything else. It was the latter half of 1960s that the newest technique-integrated industry has come before footlights in Korea. The advanced nations in electronic industry are willingly to render oversea investments to the under-developed, or the developing countries which have inexpensive and abundant man power. As a result of this tendency, the electonic industries in all over the world are on the trend of international division of labors, and in proportion to the advancement of electronic skill, the extent of the division of labor will be great as much in future. Considering a characteristics of the electronic industry and its contribution to the national economic growth, our country is obviously proved to have various beneficial and pertinent situations as far as electronic industries are concerned. In this context, our country has nominated the electronic goods as a strategic export oriented industry since the beginning of 1970s, and established a long-term planning for developing of the electronic industries of Korea, making great strides with strenuous efforts for the planned task that the electronic department only must occupy 250 million dollars among the amount of total export goal, 10billion dollars in the year of 1980. Having attempted to make a general survey on the present state of the electronic industries in Korea, we suggested a dissenting opinion to the Koreanized concept of the raw materials which are constructed to coincide with accessory parts or intermediate manufactured goods. It is attributable to the fact that the electronic kernel skill of Korea remains so far at the low level. We think the current concept of the raw materials will have to be changed according to the development of the electronic technique in the near future. On touched on the present condition of the production and employment structure, the export-import system, and in addition, the inducement of foreign capital and technique, including the trend of international market for electronic manufactured goods. In this thesis, we are greatly interested in examining and analyzing our gevernment policies on the basis of the theory of economics, which practised so far according to the long-term electronic industry development planning. Above all, the emphasis is placed on finding out the urgent problems and their possible plans disclosed as a result of this study. The most important task to be inevitably accomplished by the end of 1970s is to proceed on the stage to make electronic machinery and tools for industrial world, which have the highest additional value, passing from the current production stage of accessory parts or electronic manufactured goods for family use. In addition to the enhancement of the electronic technical standard, we must take into consideration to expand international export markets by means of the application of Korean native design to all the export-oriented goods and so on. To sum up, it is timely and properly estimated that our goverment nominated the electronic industry as a strategic export-oriented industry and the government measures executed in compliance with the long term development planning. It is also desired to carry out the measures for promoting electronic industries by the government initiative, for the time being. In proportion to this, the fulfilment of administrative responsibility for it will be strongly required. At the same time, we proposed to establish a synthetic research center in charge of driving harmoniously man power planning for supply and demand, development researches by means of the industry- education cooperation.

엔트로피 개념을 이용한 하천 종단고도 결정

전민우,이대규,조용수 충북대학교 건설기술연구소 2003 建設技術論文集 Vol.22 No.1

This study determines the stream mean slope, stream slope and stream longitudinal elevation based on the concept of entropy. Maximising the entropy will make the probability distribution of longitudinal profile as uniform as possible while satisfying the constraints. Using this relationship the stream longitudinal elevation formula was derived. The parameters of applied streams were determined by geomorphological factors of Dalchon stream basin obtained from Chung Cheong Buk-Do local stream consolidation scheme drawing. The derived formula of the stream longitudinal elevation was programmed using Fortran by the method of least error sum of squares between the observed streams were determined by minimizing the error sum of squares between the observed stream longitudinal profile and the simulated stream longitudinal profile. Besides, the comparative investigation was performed between the observed mean stream slope and the simulated mean stream slope obtained from the derived equation based on the obtained parameters.

6상 여자방식을 이용한 7상 BLDC 전동기 구동시스템

전윤석,이용균,목형수 건국대학교 산업기술연구원 2003 건국기술연구논문지 Vol.28 No.-

3-Phase BLDC Motor, which is generally used, has limited usage in high speed, due to pulsation torque occurring commutation and variable speed. To solve this problem, it is necessary to increase invariable, pole number or the number of slots. Currently, due to rapid growth of semiconductor technology and trend toward smaller and cheaper production of switching device, Multi-Phase BLDC Motor for high speed and high output power is being actively pursued to produce. In this paper 7-Phase BLDC Motor drive system and controller are designed and 7-Phase modulation method with 6-Phase conduction is studied for ideal operation of controller.