• The Journal of Korean Institute of Electromagnetic Engineering and Science
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• v.19 no.2
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• pp.191-199
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• 2008

In this paper, we present a performance analysis and design and implementation results of a 2.4 GHz bio-radar system that can detect human heartbeat and respiration signals. In order to design a 2.4 GHz bio-radar system qualitatively, we investigate the electromagnetic properties of human tissues and calculate the target SNR of demodulation output with respect to distance. The target SNR is defined by the 90 % success ratio for detecting heartbeat signal. With this target SNR value, the performance and link budget of the bio-radar system is simulated using MATLAB. Using this link budget results, the direct conversion receiver is designed and Implemented in 4 layer printed circuit board(PCB). With output power of 0 dBm and 5 Hz bandwidth, 80 % success ratio of 50 cm is measured. Measurement results show a good agreement with simulation results.

• Journal of the Korean Society of Costume
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• v.61 no.3
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• pp.36-50
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• 2011

The traditional masculinity has been gradually diversified towards the 21th century due to a new social environment. Men embrace his feminine side with heightened aesthetic sense using cosmetic products for better skin, hair, and nails. This diversification of male image and his beauty style proves the addition of feminity to masculinity. C. G. Jung felt that we are all really bisexual in nature. The anima is the female aspect present in the collective unconscious of men and it is the archetype through which we communicate with the collective unconscious generally, and it is important to get into touch with it for self-realization. This study analyzes subconscious desire based on the anima archetype in the collective unconscious of men through the diversity of the gender identity shown in men's cosmetic advertisements, and therefore it aim to help developing a marketing strategy of male beauty industry in the future. For this purpose, it conducted an empirical analysis of male beauty style in cosmetic advertisements through the Jungian anima theory. The conclusion of this study is as follows: First, gender identity represented in cosmetic advertisements was typified as Retrosexual, Ubersexual, Metrosexual, Cross sexual. Second, the anima archetype stimulates feminity in male beauty style. Cross sexual type has the highest feminine tendency. Third, range of utilization of cosmetic products is articulated with the diverse gender identity. Cross sexual type is most similar to the female beauty style. This feminization of male beauty style is the external expression of collective unconscious and affords human being to reach self-realization.

• Journal of the Korean Society of Environmental Restoration Technology
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• v.4 no.1
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• pp.67-79
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• 2001

According to the new general movement of ESSD in Korea, the role, background, and subjects, etc. of Ecological Restoration Area were studied to find out the way for this area to be settled as one kind of industry. Questionnaire and literature study were carried out to understand and to find out the way of the area settlement with the conceptual and practical definition of it. The related sub-areas studied were 1. regulations and standards including design and construction 2. researches and developments around the area 3. related curriculums applying in the educational organizations 4. present situation of the industry. Followings are the results of this study and several proposals for the area to be settled in Korea with the other related areas. 1. The boundary of Ecological Restoration could be defined as the concept of preservation(or conservation) and restoration of the ecosystem with ecological planting - including the restoration strategies for the areas of slope, artificial foundations, watersides and wetlands, with in bio-diversity and eco-forests for these areas. 2. It seems that the more investments needed for the elaborate and professional techniques to be developed for the design and construction works to the contrary that the base of this area be matured already in the several sub-areas. 3. For the successful work of Environmental Restoration, defining the new industrial branch -independent from existing construction industry- is recommended through the law system under the control of the Ministry of Environment. It will be better if professional officer system in governmental organization could follow up this. 4. Educational organization and Technical expert qualifying system to train the Ecological Restoration Professionals should be induced for the effective practice of the area.

• Journal of the Korean Society of Environmental Restoration Technology
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• v.16 no.1
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• pp.181-191
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• 2013

The design process of ecological and environmental detention system located in the housing district of Sinjeong 3-jigu in Seoul are as follows. At stage one, a new dispersal detention was created in the neighborhood park located near the originally planned detention. From this, the amount of storage of this dispersal detention system was enlarged from $28,337m^3/d$, the initial storage amount, to $33,606m^3/d$ as the post storage amount, responsible to the amount of rainfall which happens every 100 years. In particular, the SSB (Sustainable Structured wetland Biotop) system, which was the New Excellent Technology verified by the Ministry of Environment (No. 258) was applied to enhance ecological functioning and water quality with the detention as a constructed wetland. At stage two, the treatment plans for non-point pollutant source occurred at the initial period of rain, flowing into the detention system were built for purifying the water of the retention pond at the base of the detentions, and the water-circulation system was designed at the dispersal detentions on the period of regular rainfalls. The non-point pollutant source flowing into detention site was calculated as $11,699m^3/d$ flowing down from seven small watersheds, which occurred at the initial period of rain. In particular the SSB systems improved the average efficiency of the water processing performance to BOD 60%, SS 90%, T-N 30%, T-P 60%. At stage three, the ecological network and biological diversity were strongly considered so that it brought the residents with amenity places. In particular, the dispersal detentions were successfully designed to restore the ecological habitat of endangered plant and animal species such as narrow-mouthed.

• Journal of Korean Society of Rural Planning
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• v.21 no.4
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• pp.157-165
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• 2015

The purpose of this study is on identifying charactreistics and management direction of complementary pond of Dalmaji village in Gangjin. Accordingly, this village was indicated as Experience and Resort village by Korean government. This study describes the construction background and characteristics and identifies species diversity and characteristics through field survey. For this, literature and field survey was performed. In field survey, vegetational survey was performed in Aug. of 2015. D(Dominant degree) and S(Sociability degree) was measured by Brown-Blanquet's method. The answer was searched from Myungsanron(明山論), a textbook of Fengsui(風水) in Joseon dynasty. Of these causes, it was considered that the representative one is a protection of fire and infectious disease because the Wolgak mountain is a fire mountain(火山) as a stone mountain in Fengsui. The results demonstrate decline of aquatic ecosystem because of neglect management. The total number of species was 24. Of the species, Zelkova serrata is a natural vegetation of this complementary forest. This is nominated as Lagerstroemia indica and Camellia japonica community. Species composition demonstrate the characteristics of Korean southern region as mixed forest of evergreen trees and deciduous ones which are indigenous plants. It was considered Juniperus chinensis KaizukaVariega in central round island was planted in Japanese colonial period and it have to be removed. It was considered that name of moon pond and moon island etc. projects the mind of village ancestors which are going to reach an ideal condition of moon. And management of quantity and depth of pond water was critical for restoration of disappearing lotus from related literature. Periodic management was needed for ecological structure and function improvement because of ecological disturbance by the invasive plants like Humulus japonicus.

• Journal of the Korea Institute of Military Science and Technology
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• v.17 no.5
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• pp.643-653
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• 2014

High-capacity video, control and situation awareness data should be transmitted efficiently to control robots properly in the ground unmanned system, which requires the technology maximizing the communication range and the data transmission throughput. This technology is connected to the OFDMA(Orthogonal Frequency Division Multiple Access)-MIMO(Multiple Input Multiple Output) transmission technology under the limited bandwidth and transmission power. In this paper, we design MIMO communication system for ground unmanned systems, and investigate the data reception performance experimentally, comparing with SISO(Single Input Single Output) system. Experiment results show that the data reception performance of MIMO is significantly improved compared to that of SISO, e.g. 4dB gain of sensitivity and 5dB of SNR at the value MPR = 1, for the mobile stations with $2{\times}2$ STBC diversity.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2007.10a
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• pp.351-354
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• 2007

In recent years, digital processing techniques have been applied diversity of fields. Typical signal processing techniques are speech processing and image processing. And filters for the signal processing can be divided in FIR (finite impulse response) filter and IIR (infinite impulse response) filter. Compared with IIR filter, the FIR Filter has a defect of high-degree, but has a merit of stability and uses simply. Futhermore, FIR filter also has linear phase response characteristics, it is using in fields regarding wave information importantly. To FIR Filter design, the main issue is to remove the Gibbs phenomenon. Therefore, in this paper I was proposed a method using FIR digital filter applied a modified window function and the method was compared with conventional methods.

• Journal of the Korean Society of Costume
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• v.61 no.6
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• pp.86-100
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• 2011

The traditional feminity has gradually been diversified in the 21th century due to a change in the society. This diversification of women's images and styles is derived from the addition of masculinity to feminity. C. G. Jung insist that human being is bisexual in nature. Animus is the male aspect in the women's collective unconscious and it is the archetype through which we generally communicate with the collective unconscious. It is also important to get into touch with the collective unconscious for self-realization. This study analyzes subconscious desires based on the Animus archetype in the collective unconscious of women through the diversity of the gender identity shown in cosmetic advertisements. Therefore this study aims to suggest a marketing strategy for the women's beauty industry in the future. For this purpose, this study conducts an empirical analysis of women's make-up and hair style in cosmetic advertisements through the Jungian Animus theory. The conclusion of this study is as follows: First, gender identity represented in cosmetic advertisements was classified into Mother/Wife, Hetaira, Mediale and Amazon. Second, the Animus archetype stimulates masculinity in women's make-up and hair style. Third, range of utilization of cosmetic products is articulated with the diverse gender identity. This masculinization of women's beauty style is the external expression of collective unconscious and affords human being to reach self-realization.

• Journal of the Korean Society of Costume
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• v.57 no.6 s.115
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• pp.101-111
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• 2007

The purpose of this study is to examine the features of the conversational patterns presented on the fashion in the early 2000's and analyze it from cultural view. The expression of the patterns is a result of a creative aesthetic activity, mental activity, and the reflection of the common cognition. And the fashion is a part of the life environment. So the patterns presented on the fashion provides a clue to figure out the common unconscious sense for explaining the culture. The patterns have been expressed with different methods belonging to each culture such as weaving and prints. And those of the each cultural group have been communicating each other. The silk came to the Europe in the 6th century. The textile industry which flourished since 15th century. And they shows the chinoiserie or indian prints, not only the european culture. We can observe that the exchange of the techniques and cultures between cultural groups like the east and the west, and the presentation of the patterns is a way to express their own desires. The patterns presented after 2,000 can be classified by the form and the contents. But, more specifically, the patterns classified by the contents, which is Conversational design, can be categorized as followed according to the origin; reflecting cultural identity, Popular culture, Lohas lifestyle, and art movements. Which can be summarized as that the people have more interest on the different cultural group, diversity, retrospectiveness, and exoticism, which the patterns originally belonged to than on the form itself.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.37 no.1A
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• pp.1-7
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• 2012

The conventional Zhu's differential space-time modulation(DSTM) based on quasi-orthogonal design adopted a complex precoder in order to allow an independent joint detection of two complex symbols without any channel informations at a receiver. In this paper, by simply replacing the complex precoder used in Zhu's DSTM with a real precoder, a new DSTM is presented for four transmit antennas. The real precoder enables the receiver to decode two real symbols pair separately, and thus the new DSTM has greatly reduced decoding complexity compared to the Zhu's DSTM. By computer simulation results, the proposed scheme is shown to exhibit almost identical or improved error performance compared to the existing DSTMs.