Journal of the Korean Regional Science Association
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v.6
no.1
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pp.11-38
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1990
The purpose of this thesis is, first to present the spatial division of labor in Korea and its mechanism, and second, to elucidate the organic integral relation between local labor market and local community by studing the mechanism that the spatial division of labor is projected into the individual lacal labor marker, and reproduction of labor force process in this local labor market. According to this purpose, the theoretical frame of this analysis is done, the positive analysis is made and Kumi is choosed as its analysis case area. The main data is from 'Survey Report on Manufacturing Idustry Wage Conditions' published by Minimum Wage Council, Ministry of Labour and from the questionnaires and interview on textile industry and electric electronics industry firms in Kumi Export Industrial Estate. The following are the results of this study. 1. The mechanism of spatial division of labor in Korea, seen through the employment structure index, is accelerating the regional discrimination by fixing the regional hierarchisation between Seoul (or Seoul Metropolitan Area as expanded Seoul) and other areas. But it is also developing highly the regional employment structure at the level of technical division of labor, since the spatial division of labor in Korea is leaded by large firms and influenced by the policy for regional development. 2. Local labor market is formed in Kumi area and its delimitation is Kumi city. The employment structure of Kumi local labor market is occupying lower hierarchy division at management hierachical level and occupying upper hierarchy division at the level of technical division of labor, and brand plants of large firs are determinating and dominating this emplogment structure. These bdranch plants of large firs are forming more favorable and stabel labor marker than locally controlled ploants in Kumi local labor market. But the reproduction of labor force process in Kumi local labor market is not fully carried out and leaked into central city, therefore Kumi is now becoming an unstable local community, suffering from large movement of population. This is because Kumi local labor market is found not for itself, but by the state policy and externally controlled plants of large firms, and therefore no potentiality to control and to absorb the exterior influences is built in Kumi local labor market. 3. The case firms A, B have spatial division of labor between decision-making function and production function, and between upper management hierachical labor force and lower management hierachical labor force in internal labor market.
Journal of the Society of Naval Architects of Korea
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v.29
no.4
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pp.114-131
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1992
In the present work, a two-dimensional boundary-value problem for a large amplitude motion is treated as an initial-value problem by satisfying the exact body-boundary and nonlinear free-surface boundary conditions. The present nonlinear numerical scheme is similar to that described by Vinje and Brevig(1981) who utilized the Cauchy's theorem and assumed the periodicity in the horizontal coordinate. In the present thesis, however, the periodicity in the horizontal coordinate is not assumed. Thus the present method can treat more realistic problems, which allow radiating waves to infinities. In the present method of solution, the original infinite fluid domain, is divided into two subdomains ; ie the inner and outer subdomains which are a local nonlinear subdomain and the truncated infinite linear subdomain, respectively. By imposing an appropriate matching condition, the computation is carried out only in the inner domain which includes the body. Here we adopt the nonlinear scheme of Vinje & Brevig only in the inner domain and respresent the solution in the truncated infinite subdomains by distributing the time-dependent Green function on the matching boundaries. The matching condition is that the velocity potential and stream function are required to be continuous across the matching boundary. In the computations we used, if necessary, a regriding algorithm on the free surface which could give converged stable solutions successfully even for the breaking waves. In harmonic oscillation problem, each harmonic component and time-mean force are obtained by the Fourier transform of the computed forces in the time domain. The numerical calculations are made for the following problems. $\cdot$ Forced harmonic large-amplitude oscillation(${\omega}{\neq}0,\;U=0$) $\cdot$ Translation with a uniform speed(${\omega}=0,\;U{\neq}0$) The computed results are compared with available experimental data and other analytical results.
Journal of the Korean association of regional geographers
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v.12
no.2
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pp.323-337
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2006
This thesis aims to study Change of the Land Use in Yanji city since the reformation and opening of China in the Connection with Urbanization Process. This study is based on Landsat image and maps and data related to topography, urban planning basic, the cadastral map were employed. Softwares such as Arcview3.3, ArcGis8.0 were used. The result of the research is as follows. It clearly appears that there have decreased in the ratio of agricultural areas since the increase in other urban usage of land. There has greatly increased in residential, commercial and industrial areas. Such as the capitalist and market economic city the highest point of city land price emerged in downtown of the old city center. In addition spatial pattern of land price is unusually quite different from the western city in its pattern of land price surface declining tendency between the highest land price and the lowest land price. The land price surface shows irregular patterns with increase of distance from downtown due to various urban developments. According to the land price distribution map, it is possible to guess spatial development of the city that the north-eastern part of Yanji was developed prior to south-western area. The center of the city, or downtown expanded to eastward, and the city expanded to south-westward out skirt. Along the main road, Xin-xing areas developed toward east and west ward.
Because of abnormal weather, a heavy snow on the Northern latitudes occurs frequently. This has resulted in significant damage and recovery costs. In korea, it has been declared a special disaster area due to heavy snowfall in Gangneung and Pohang 2004, 2005 and 2011, so there was a revision of action instruction for the road snow removal. Although, in our current system, snow removing methodology, regional equipment holdings, and snow responsible interval, respectively, has been classified by the National Highway, near cities and provinces support system not yet prepared. Only, if snow removing is not possible within the region itself, which contained the contents of "support and assistance to military or nearby offices requests". In this thesis, we studied the disaster scenario development according to heavy snow and the response and support system to the features of each regional. For the scenario deduction, we preferentially collected day snowfall and disaster yearbook data to regionals, classified similar pattern and plotted GIS snow map. We also classified heavy snow disaster by region and type and we deduced five-step scenario. The five-step scenario is nationwide(1st-stage), the National Capital region(2nd-stage), the Chungcheong Provinces(3rd-stage), the Kangwon province(4th-stage) and the Ch?l a provinces(5th-stage). Therefore we build near provinces support system according to five-step scenario.
Journal of the Korean Society for Library and Information Science
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v.37
no.4
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pp.5-21
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2003
This thesis concerns urban construction archive management business of China in the 20th century 12 items of state level construction archives, 11 categories of urban construction archives was initially studied. And studies on data collection method, obligations and range of service, etc. of urban construction archives center were conducted as well. Urban construction archive management business was aggressively pursued in terms of national policy, based on the state plan to construct medium-sized and large cities and Mao ZeDong(毛澤東)‘s direction regarding of urban construction archives. As a result, there happened to be various levels and types of 3,186 archive centers, as of 2003. And the archives centers of urban construction have been estavlished in 662 cities all over China so far, while the establishment of the urban construction archives centers was pursued only in 42 cities in 1960s. Another point to note is that staff members of junior college or higher educational background account for 70% - 80% of overall human resources of the archives center of urban construction, while 60 - 70% of them are technical level. This makes professional human resources represent at least 60% of the total human resources of the centers. This is a result of effort of China to enhance urban construction archive management business on both quantitative and qualitative level. And through the study on the situation of urban construction archive management business in Beijing(北京), it was learned that urban construction archives are being collected and managed in archives centers of the respective areas as well as in professional archives centers of urban construction. Some suggestions were also made regarding what kind of direction Korea should take to pursue the business of urban construction archive management.
Journal of the Institute of Convergence Signal Processing
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v.20
no.4
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pp.238-244
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2019
In this study, we compared and analyzed the performance of each Convolution Neural Network (CNN) by implementing the CNN that reflected the characteristics of the cerebral structure, in order to analyze the CNN that was used for the prediction of cybersickness, and provided the performance varying depending on characteristics of the brain. Dizziness has many causes, but the most severe symptoms are considered attributable to vestibular dysfunction associated with the brain. Brain waves serve as indicators showing the state of brain activities, and tend to exhibit differences depending on external stimulation and cerebral activities. Changes in brain waves being caused by external stimuli and cerebral activities have been proved by many studies and experiments, including the thesis of Martijn E. Wokke, Tony Ro, published in 2019. Based on such correlation, we analyzed brain wave data collected from dizziness-inducing environments and implemented the dizziness predictive artificial neural network reflecting characteristics of the cerebral structure. The results of this study are expected to provide a basis for achieving optimal performance of the CNN used in the prediction of dizziness, and for predicting and preventing the occurrence of dizziness under various virtual reality (VR) environments.
Journal of Korean Library and Information Science Society
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v.49
no.2
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pp.201-220
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2018
The purpose of this study is to explore problems within bibliotherapy research of the 15 thesis papers aimed at improving self esteem, and then to explore development plan. In the current study on bibliotherapy, the problems with bibliotherapy are presented in five aspects. First, there is a lack of professionalism and role of counselor who plays the most important role in bibliotherapy. Second, the situation of the internalizer as an internalizer of bibliotherapy was not reflected in the bibliotherapy program. Third, the lack of diversity in the bibliotherapy program does not keep the reader's interest in bibliotherapy. Fourth, bibliotherapy reading material is limited to text material, which lacks the use of various media. Fifth, there is insufficient validity for the test paper that measures the effectiveness of the reader's bibliotherapy in terms of research methods. Several development plan are proposed based on the factors that affect bibliotherapy. First, it is necessary to develop and train teaching materials to secure expertise of bibliotherapy counselors. Second, it is necessary to develop data on the various media on suitable for bibliotherapy material. Third, it is necessary to review the test paper that can accurately measure the effectiveness of bibliotherapy.
The purpose of this study is to suggest objective basic data for the national park development through the quantitative analysis of the visual quality included in the physical environment of the Dukyu National Park. For this, spatial images structure of physical elements have been analyzed by factor analysis algorithm and degree of visual quality have been measured mainly by questionnaires. Result of this thesis can be summarized as follows. Factors covering the spatial image of the Dukyu National Park landscape have been found to be the overall synthetic evaluation spatial, appeal, natural quality and physical factors such as the overall the synthetic evaluation, spatial and appear yield high factor scores. Thus, these factors can be considered to represent the site spatial image of Dukyu Korean-National Park. By using the control method for the number of factors, Total variance explained by the factors has been obtained as 45.46% and 45.45%. Principal variables of main factors explained above may be the scaling containing the functional criteria of quantitative approach for landscape management of national park development. According to difference of special image from each place, for these variables that decided the visual quality can be differed, and even the same place due to landscape control point change the visual quality can be affected affirmately or negatively, according to recognized by the landscape control point.
The elevated standard of living and increased interest in health and well-being have caused customers to expect a role. Consumers are more and more interested in food service merchandise development. The purpose of this paper is to perform a discriminant analysis of merchandise development policies based on customer participation strategies. Statistical techniques employed included the reliability analysis and the discriminant analysis. The current thesis is based on the 350-questionnaire-survey conducted from July 1 to July 31, 2008 at five food service companies in Seoul and Gwangju. The data collected for this study was analyzed with frequency analysis, reliability analysis, validation analysis, factor analysis, and discriminant analysis using the SPSS 12.0 package program. The results of the test of the hypotheses can be summarized as follows: the analysis shows that there is significant difference between the active groups and the passive groups in all the merchandise development related factors, market directivity, and customer satisfaction directivity. Thus, food service management needs to apply customer participation strategies aggressively.
Journal of rehabilitation welfare engineering & assistive technology
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v.7
no.1
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pp.51-58
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2013
As it is changing into aging society, rehabilitation, welfare and sports industry markets are being expanded fast. Especially, the field of vital signals interface to control welfare instruments like wheelchair, rehabilitation ones like an artificial arm and leg and general electronic ones is a new technology field in the future. Also, this technology can help not only the handicapped, the old and the weak and the rehabilitation patients but also the general public in various application field. The commercial bio-signal measurement instruments and interface systems are complicated, expensive and large-scaled. So, there are a lot of limitations for using in real life with ease. this thesis proposes a wireless transmission interface system that uses EMG(electromyogram) signals and a control module to manipulate hardware systems with portable size. We have designed a hardware module that receives the EMG signals occurring at the time of wrist movement and eliminated noises with filter and amplified the signals effectively. DSP(Digital Signal Processor) chip of TMS320F2808 which was supplied from TI company was used for converting into digital signals from measured EMG signals and digital filtering. We also have used PCA(Principal Component Analysis) technique and classified into four motions which have right, left, up and down direction. This data was transmitted by wireless module in order to display at PC monitor. As a result, the developed system obtains recognition success ratio above 85% for four different motions. If the recognition ratio will be increased with more experiments. this implemented system using EMG wrist direction signals could be used to control various hardware systems.
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