• 한국콘텐츠학회논문지
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• 제9권12호
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• pp.647-655
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• 2009

색상은 콘텐츠의 하나로서 소비자에게 중요한 의미를 지니게 되는데 일반적으로 개인이 보유하고 있는 색상 이미지는 시간을 두고 축적된 경험이나 지식의 산물로 존재한다. 본 연구는 향후 유행할 것으로 예측되는 유행색을 중심으로 색의 이미지가 가지고 있는 개성과 의미를 파악하고 색상에 대한 태도를 분석하고자 하였다. 연구 결과에 의하면 크리스탈 사운드, 크리미 터치, 미스테리우스 빈티지, 오톰 포레스트, 카니발 등 5개의 주요한 유행색들은 비교적 독특한 고유의 개성적 이미지를 가지고 있는 것으로 나타났다. 추가적인 형용사 이미지 분석 결과, 크리스탈 사운드는 자수성가한 사업가의 이미지를 가지고 있으며, 크리미 터치는 여고생의 이미지, 미스테리우스 빈티지는 대부의 이미지, 오톰 포레스트는 일반 대중의 이미지, 카니발은 서커스 광대의 이미지를 갖고 있는 것으로 나타났다. 이중 크리미 터치는 소비자의 태도에서 가장 높은 선호도를 보이는 것으로 나타났다. 이상의 연구 결과들은 개인의 개성과 색상의 개성의 일치성을 고려함으로서 긍정적인 소비자 행동을 유발할 가능성을 보여준다. 또한 본 연구는 패션과 마케팅을 연결한 학제적인 연구로서 가치가 있으며 향후 지속적인 연구가 필요할 것으로 보인다.

• 문화기술의 융합
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• 제6권4호
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• pp.559-565
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• 2020

본 연구는 인터랙티브 멀티미디어 아트 공연을 초기 치매 환자의 재활 운동을 위해 활용하고자 한다. 무대 위의 퍼포머와 관객인 치매 환자의 소통과 참여로 인터랙티브 공연이 완성되며 이러한 과정을 통해 치매 환자는 흥미와 몰입을 동반한 효율적인 재활 운동을 하게 된다. 연구를 위해 초기 치매 환자의 특성과 효과적인 운동 방법을 살펴보고 환자의 공연 관람이 참여로 이어지면서 재활 운동으로 유도 될 수 있도록 프로그램 맵을 구축한다. 관객의 참여로 발생하는 동작과 소리는 Sound Level, Pitch, Velocity의 MIDI 신호로 변환되어 실시간으로 음악과 영상을 콘트롤하는 퍼포먼스가 된다. 이를 통해 환자는 흥미를 가지고 재활 운동에 몰입하게 되며 공연의 참여자로서 성취감을 가질 수 있을 것이다. 또한 이 연구는 인터랙티브 멀티미디어 아트의 다양한 활용과 응용으로 영역 확장의 의의가 있다.

• 한국콘텐츠학회논문지
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• 제8권8호
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• pp.285-292
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• 2008

일반적으로, 골프장의 퍼팅그린(putting green)지역에서 사용되는 토양은 매우 낮은 CEC(양이온치환용량)와 알루미늄 및 철 수산화물의 코팅이 없는 모래로 이루어진 근권 혼합물로 구성되었다. 이러한 성질로 인해서, 토양에 의한 인산(Phosphorus, P)의 보유는 극히 제한될 수 밖에 없다. 새로운 상업용 인산비료는 골프장의 그린지역에서 적절한 인산의 유지에 도움을 줄 수 있다. 본 연구에서는 잔디 품종 Floradwarf bermudagrass (Cynodon dactylon L. PERS.)을 유리온실에서 재배하면서 상업용 인산비료의 이동성과 영양분 공급력을 평가하였다. 전체 12주의 실험기간 동안 격주로 인산의 농도를 측정하기 위해 절단된 잔디와 용출액(leachate)이 수집되었다. 깎여진 잔디는 48시간 동안 70oC에서 건조되었고 건물중량(dry matter)측정이 이루어졌다. 인산의 용출에 있어서 MKP(monopotassium phosphate)와 APP(ammonium polyphosphate)가 가장 많은 양의 인산을 용출시켰고 MAP(monoammonium phosphate)와 0-20-20(액체)이 그 다음으로 많은 양의 인산을 용출 시켰고, CSP(concentrated superphosphate)가 가장 적은 양의 인산을 용출 시켰다. 전체 12주 동안 용출된 인산의 양을 시간별로 분석해 본 결과에 따르면, 2주와 4주 동안 수집된 용출액속에 시비된 인산의 대부분이 용출되었다. 나머지 6주, 8주, 10주, 12주 동안에 용출된 인산의 양은 미미하였다. 용출된 인산의 양은 건조물이나 영양분 흡수와는 상관 관계가 없었다. 전체 인산의 회수율은 43%에서 93%의 범위에 있었다. 인산 비료의 본래의 용해성으로 인해, 인산 비료간의 흡수, 총 건물중량 및 용출에 있어서 차이점이 존재하는 것 같다. 그러므로, 라이시미터(lysimeter) 실험결과에 따르면 CSP, 0-20-20, 그리고 MAP가 골프장의 퍼팅 그린 지역에 사용될 수 있는 환경친화적인 인산 비료로 사료된다.

• 한국전문물리치료학회지
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• 제23권2호
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• pp.35-43
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• 2016

Background: The Functional Gait Assessment (FGA) was developed to measure of gait-related activities. The FGA was translated in Korean but only a few psychometric characteristics had been studied. Objects: The purpose of this study was to evaluate the validity and reliability of the Korean version of FGA scale using Rasch analysis. Methods: The study included 120 patients with stroke (age range=30~83 years; mean${\pm}$standard deviation=$58.3{\pm}11.1$). The FGA and Berg Balance Scale were performed, and were analysed for dimensionality of the scale, item difficulty, scale reliability and separation, and item-person map using Rasch analysis. Results: The 4 rating scale categories of FGA were satisfied with optimal rating scale criteria. The most items of the FGA showed sound item psychometric properties except 2 items ('gait with the horizontal head turns', and 'gait with narrow base of support'), and the 2 misfit items were excluded for all further analyses. The 8 items were arranged in order of difficulty. The most difficult item was 'gait with eyes closed', the middle difficult item was 'gait level surface', and the easiest item was 'gait with vertical head turns.' A person separation reliability was .93 and the person separation index was 3.57. Conclusion: This study suggests that the 8-item Korean FGA are valid measure of assess the gait-related balance performance, and to set the goal of rehabilitation plan in patient with stroke.

• 한국정밀공학회지
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• 제34권3호
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• pp.191-197
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• 2017

Light detection and ranging (LiDAR) is one of the most efficient technologies to obtain the topographic and bathymetric map of coastal zones, superior to other technologies, such as sound navigation and ranging (SONAR) and synthetic aperture radar (SAR). However, the measurement results using LiDAR are vulnerable to environmental factors. To achieve a correspondence between the acquired LiDAR data and reality, error sources must be considered, such as the water surface slope, water turbidity, and seafloor slope. Based on the knowledge of those factors' effects, error corrections can be applied. We concentrated on the effect of the seafloor slope on LiDAR waveforms while restricting other error sources. A simulation regarding in-water beam scattering was conducted, followed by an investigation of the correlation between the seafloor slope and peak timing of return waveforms. As a result, an equation was derived to correct the depth error caused by the seafloor slope.

• 음성과학
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• 제11권3호
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• pp.201-211
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• 2004

This paper introduces a development of an electrical stimulator for auditory stimulation. The electrical stimulator is useful in neurotological diagnosis, audiological evaluation, candidate selection for cochlear implantation, optimal device selection and decision making of MAP strategy for severe-to-profound hearing impaired persons. The development was based on sound parameters of auditory brainstem responses and auditory electrophysiological characteristic such as effective firing of auditory nerve and recording evoked potentials during refractory period of neuron. Besides pulse parameter could adjustable by programming for more varied electrical stimulation evoked response audiometry. Using the electrical stimulator, electrical square pulse was applied to promontory, and electrically evoked auditory brainstem response and electrically middle latency response were successfully recorded in cats.

• 환경영향평가
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• 제23권2호
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• pp.112-118
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• 2014

The application of a 3-d noise prediction model is increasing as a tool for performing actual noise assessment in order to investigate the noise impact of the residential facility around a development region. However, because the appropriate plans of applying a 3-d noise prediction model is insufficient, it is important to secure the reliability of the noise prediction results generated by a 3-d noise prediction model. Therefore, this study is focused on examining a 3-d noise prediction model, and a prediction equation and input data in it. For this, the 3-d noise prediction models such as SoundPLAN, Cadna-A, IMMI is applied in road noise. After the contents of road noise equations, input data of road noise source, and input data of road noise barrier are understood, the road noise prediction results are compared and examined according to the variation of 3-d noise prediction model, road noise equation, and input data of road noise source and road noise barrier.

• Ocean and Polar Research
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• 제28권4호
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• pp.467-473
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• 2006

The EM 120, a newly installed multibeam echo sounder on RM Onnuri, has several advantages over the previously installed SeaBeam 2000 in performance and thus data quality. The EM 120 system provides a bottom topographic map with high resolution by (1) increasing the number of beams, (2) increasing the across track swath range, (3) measuring the more accurate sound velocity within the water column, and (4) improving stabilization for pitching, rolling, and yawing of the ship. This study compares EM 120 and SeaBeam 2000 echo sounders in terms of the data quality from the same survey area in the Clarion-Clipperton Zone, NE Pacific. Our result shows that the EM 120 provides more precise topographic data than the SeaBeam 2000. Although overall trends of data, such as topographic direction and relief, are similar for both echo sounders, the water depths measured by the EM 120 are shallower than that of SeaBeam 2000 by 80 to 90 meters.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2007년도 춘계학술대회논문집
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• pp.51-55
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• 2007

In this paper Statistical Energy Analysis has been considered to predict high frequency air borne interior noise. Dash panel Insulation is major part to reduce engine excitation noise. Transmission loss and absorption coefficient are considered to predict dash insulation performance. Transmission lose is derived from coupling loss factor and absorption coefficient is derived from internal damping loss factor. Material Biot properties were used to calculate each loss factors. Insulation geometry thickness distribution was hard to measure, so FeGate software was used to calculate thickness map from CAD drawing. Each predicted transmission losses between conventional insulation and light weight insulation were compared with SEA. Transmission loss measurement was performed to validate each prediction result, and it showed good correlation between prediction and measurement. Finally interior noise prediction was performed and result showed light weight insulation system can reduce 40% weight to keep similar performance with conventional insulation system, even though light weigh insulation system has lower sound transmission loss and higher absorption coefficient than conventional system.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2008년도 추계학술대회 논문집
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• pp.93-99
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• 2008

The SeoulMerto, operating subway line No.$1{\sim}4$, was constructed in the metropolitan Seoul with the highest population. When it was built, the design was challenged to sharp curved tracks considering the protection of buildings, cultural assets, the connection to ground roads and rivers as well as to elevated railway in some parts. Lots of residential apartments and business complex have gradually increased in the area around subway stations and railway lines according to the urban development. Consequently, Requirements of better quality of life and comfortable environment caused the citizen complain for the noise. It has become one of serious social issues. In this paper, Noise level was analyzed using noise map measured in the running train of all routes. The analysis on the noise level was conducted according to railway type, track components type, seasonal type, retirement degree of the vehicle and subway station. Especially, Noise characteristics were analyzed by noise level data measured in the inside and outside of the train with geometry types of the concrete track. This study will contribute fundamental data for the "The Development of Sound-Absorbing Block on Concrete Track" promoted on The National R&D Project.