• Journal of the Korea Academia-Industrial cooperation Society
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• v.5 no.3
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• pp.241-246
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• 2004

We have designed LED display system using ARM7TDMI processor and implemented hangul input and output. This system is easily extensible because controller board and LED matrix board were designed one module. Possible Input Methods of LED display system are PC, PDA and remote controller's wired and wireless communication. We have ported QT/Embedded 2.3.7 with touch panel Input at embedded board of Linux OS 2.4.18 and PXA255 Processor based. QT Application which we coded is able to input displaying text using ethernet communication on embedded system. Many of indicating text data is able to be saved because only korean alphabet codes are stored for data which users want displaying.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.12 no.2
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• pp.872-877
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• 2011

In this paper, the new decoding algorithm of Block Turbo Codes using Channel State Information(CSI), which is estimated to compensate for the distorted signal caused by multi-path fading, is proposed in order to improve error correction capacity during decoding procedure in OFDM system. The performance of the new decoding algorithm is compared to that of the conventional decoding algorithm without using channel state information under the Rayleigh fading channel. Experimental results showed that in case of only one iteration coding gains of up to 5.0dB~9.0dB can be obtained by applying the channel state information to the conventional decoding algorithm according to the modulation methods. In addition to that, the new decoding algorithm using channel state information at only one iteration shows a performance improvement of 3.5dB to 5.0dB when compared to the conventional decoding algorithm after four iterations. This leads to reduce the considerable amount of computation.

• Journal of the Institute of Electronics and Information Engineers
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• v.49 no.12
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• pp.36-44
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• 2012

We had introduced the backgrounds, history and physical meanings of Jong Nang in "Jeju Jong Nang Channel Code I". In this paper, we introduce practical the root of digital human binary coded Jong Nang communications as the wooden gate in Korea Jeju Island custom. We investigate Jong Nang gatemodels as an approximation of the AWGN model. The objective is to find a deterministic model, which is accessible to capacity analysis. Furthermore, this analysis should provide insights on the capacity of the AWGN model. Motivated by backhaul cooperation in cellular networks where cooperation is among base stations, we term the interference channel with conferencing transmitters. Jong Nang communicationsis normal 3 rafters placed on two vertical stones with three holes to convey the family's whereabouts that is deterministic signal, nowadays it is applied to backhaul in mobile base station and traffic signal.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.8 no.6
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• pp.1419-1427
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• 2007

In this paper, we propose an algorithm which implements a multi-sided side match finite-state vector quantization(MSMVQ). After extracting the edge information from an image and classifying the image into edge blocks or non-edge blocks, we construct an edge map. We subdivide edge blocks into sixteen classes using discrete cosine transform(DCT) AC coefficients. Based on edge map information, a state codebook is made from the master codebook, and side match calculation is done for two-sided or three-sided current block of image. For reducing transmitted bits, a decision is made whether or not to encode the non-edge blocks among the pre-coded blocks by using the master codebook. Also for reducing allocation bits of codeword indices to decoder, a variable length coder is used. Considering the comparison with side match finite-state vector quantization(SMVQ) and two-sided SMVQ(TSMVQ) algorithm about Zelda, Lenna, Bridge and Peppers image, the new algorithm shows better picture quality than SMVQ and TSMVQ respectively.

• Research in Community and Public Health Nursing
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• v.12 no.1
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• pp.226-238
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• 2001

This study was attempted to understand experiences of the users of natural family planning(NFP) by applying Q-methodology. 37 statements were used to Q population through literature research and interviews. For the P sample. I interviewed personally 30 people who had taken a lesson in NFP for over 6 months and had been using and experiencing it autonomously for more than 2 years so far, and asked them to Q-classify the statement cards in order of the degree of approval, from the one they most approved to the one they least approved. Data were coded and input into a computer and were analyzed using QUANL PC Program. In this study, I discovered 4 types of experiences by the users of NFP and named them each according to their features: the first, a type of mutual control with morality, the second, a type of the pursuit of mutual -cooperation, the third. a type of the pursuit of conviction. and the fourth, a type of the perception of health management. The first type said that NFP was a good contraceptive way in which no drug or devices are used, that the husband's cooperation was needed, and that they became able to control sexual desire with morality. The second type perceived that continuous efforts were required to put NFP in practice, that the, husband's cooperation was essential, and that dialogues between husband and wife were also necessary to use it, and as such they regarded mutual cooperation between husband and wife as highly important. On the other hand. the third type perceived that one's conviction played a big part, that knowledge of physiological changes was useful and the ability to sense physical changes improved. and that one's willpower was important. and thus they regarded one's own willpower as most important. The fourth type reported that this method was a good way to control pregnancy and should be taught about at the beginning of sex education. and thus they were emphasizing the importance of NFP as a helpful way to manage one's health. 1. therefore, intend to provide the following suggestions based on the result of this study. 1) It is necessary to develop a program that allows NFP to be applied to sex education program. 2) It is necessary to analyze factors that affect the execution of NFP. 3) It is necessary to analyze causes of failure of those who fail to execute NFP.

• Korean Medical Education Review
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• v.20 no.3
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• pp.141-149
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• 2018

This study examined doctors' images represented in the Korean press to identify overall public perceptions of doctors and to suggest areas for improvement to enhance their image. All news reports published in the two major Korean daily newspapers between years 2011 and 2015 related to doctors and the practice of medicine were searched and collected. The news reports were categorized into the five competency domains in the Korean doctor's role (i.e., patient care, communication and cooperation, social accountability, professionalism, and education and research). Each news item was coded as being either positive or negative and was given a score regarding the extent to which positive or negative image that it represents of doctors using the Doctor Image Scale (DIS) score. A total of 314 news reports were collected, a majority of which were on patient care (36%), professionalism (33%), and social accountability (23%). Positive stories slightly outnumbered negative ones (56% vs. 44%). The largest number of positive news reports was in patient care (n=82); negative news reports most frequently appeared in professionalism (n=99) and patient care (n=32). The total DIS score was also positive (+28): the highest positive DIS score was in social accountability (+164); the highest negative DIS score was obtained in professionalism (-226). This study revealed overall positive portrayals of doctors in the Korean press, yet doctors need to better comply with regulations and ethical guidelines and enhance their medical knowledge and clinical skills and to improve their image.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.9 no.1
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• pp.93-99
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• 2008

In this paper, we propose new modulation schemes using the conventional CACB modulation with constant amplitude property. Also the proposed modulation schemes supports high transmission data rate by increasing the spectral efficiency. In order to obtain the high spectral efficiency, the $Q^2$PSK and CA-$Q^2$PSK are used. We explain the simplest combining modulation scheme of CACB and $Q^2$PSK (i.e., CACB-$Q^2$PSK). However, this modulation scheme cannot support the constant amplitude property. Hence the first CACB-CA-$Q^2$PSK (or CACB-CA-$Q^2$PSK I) modulation scheme is proposed for the constant amplitude property. In the modulation scheme, the redundant constant amplitude encoding (spectral efficiency decrease) is required. Therefore, the second CACB-CA-$Q^2$PSK (or CACB-CA-$Q^2$PSK II) modulation scheme is proposed retaining the constant amplitude and the spectral efficiency. Computer simulations show that the proposed CACB-CA-$Q^2$PSK II is the efficient modulation scheme.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.18 no.8
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• pp.257-264
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• 2017

The purpose of this study was to identify the experiences of nursing students who used journals for cadaver practice experience. The data were collected between October 26 and October 28 2016. Participants were 20 2-year nursing students with cadaver practice experience at D College in D City. The data were collected from daily sheets by self-reporting their experiences during the cadaver practice program. The participants wrote their experiences anonymously on sheets on paper. Data were categorized and coded by using content analysis. Eight categories and 21 statements were drawn from three domains. The study revealed that participants experienced anxiety, flow, and reflection of cadaver practice. The analyzed domains were 'anxiety', 'flow', and 'reflection'. 'Anxiety' was categorized into 'worry', 'fear', and 'surprise'. 'Flow' was categorized into 'interesting', 'focusing', and 'knowing'. 'Reflection' was categorized into 'dignity' and 'appreciation'. Therefore, It is necessary to provide a group counseling program for seniors who have experienced counseling and cadaver practice for psychological support and anxiety relief of nursing students before cadaver practice. In addition, this study is expected to contribute to the development of a cadaver practice program for nursing college students.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.14 no.1
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• pp.184-193
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• 2013

This study examined a correspondence of children's anticipated vocations, perceived competencies, and interests. For the purpose, this study asked 659 primary school students what activities they liked, those they thought they were good at, and what job they expected when they grew up. The responses were coded into RIASEC Holland codes and agreement across the three questions was examined using kappa statistics. Results indicated that there was a correspondence of children's anticipated vocations, perceived competencies, and interests. When broken down into separate examinations by gender, males and females had significant kappas for agreement between vocation and competence. And the correspondence of competence and interest was significant for males too. We couldn't examine females' case because they didn't answer C-type of Holland. Examinations of the results by grade demonstrated that 5th-grade and 6th-grade had significant kappas for agreement between vocation and competence. However the correspondence of vocation and interest was significant for 5th-grade. the correspondence of competence and interest was significant for 5th-grade too. We couldn't examine 6th-grade's case because they didn't answer C-type of Holland. The result obtained from this study indicate that there is a correspondence of children's anticipated vocations, perceived competencies, and interests. Such a result means that children, 5th-grade and 6th-grade, can consider their competencies and interests with their vocations. The findings are especially relevant for counselors and teachers working with children.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.20 no.4
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• pp.214-223
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• 2019

This study is a meta-analysis based on results of empirical studies related to work-life balance(WLB), and the relationships between WLB and other variables. In order to achieve this objective, articles published in domestic journals prior to December 2018 were collected. Data was collected using an online database provided by the Korea Educational and Scientific Information Service, and a total of 27 studies and 126 sub data were coded. Data was analyzed using CMA (comprehensive meta-analysis) 3.0 program. Results of this study are as follows. First, the overall mean effect size of WLB was 0.365, indicating a small effect size. Second, the effect sizes of dependent variables influenced by WLB included immersion, innovation, and performance in order. Third, the effect size of organizational focus variables was more than twice as big as that of individual focus variables. Fourth, the negative theoretical background dependent variables of WLB, such as sacrifice, job stress, and turnover showed -0.254 effect size, and the positive theoretical background dependent variables, such as job satisfaction and emotional commitment have mid-size effect (0.576). Fifth, the effect size of independent variables were in the order of work-development balance, work-home balance, and work-leisure balance.