• Archives of design research
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• v.17 no.4
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• pp.337-346
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• 2004

Many researchers have been explored job satisfaction in various context. Nevertheless, there are no empirical researches on the advertising designers's job satisfaction in Korea. This research is an exploratory examination regarding Korean advertising designers's organizational behaviour. In general, job satisfaction is determined by two major factors; personal and organizational factor. This research shows that korean advertising designers's job satisfaction is mainly determined by the organizational factor such as payment and promotion. Promotion was particularly significant amongst them and recognition also proved to be influential. Synthetically, the determining factors of advertising designers's job satisfaction consists of several predictors such as payment, promotion, and human relationships. This result may gives an assumption that the agencies have not provided designers with specialized evaluation system reflecting designers' job characteristics. Thesis concludes that agencies need to set a new evaluation and payment systems in order to elevate designers' job satisfaction in organization.

• Journal of the Institute of Electronics and Information Engineers
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• v.53 no.10
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• pp.109-115
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• 2016

In this paper, In this paper, we use two methods to compare the slim speakers. That way, the diaphragm scan using laser and diaphragm photographed using a thermal imaging camera. Slim speaker has the structure of a flat plate type. Break-up mode by this characteristic is displayed in a larger size. Further, since the installation space is narrow, it has limited moving coil cooling. As a result, the break-up mode slim speakers, a significant impact on quality. In this study, try to connect the break-up mode of the diaphragm, the heat transfer mode of the diaphragm. Experiment for comparison, a two-step. The first step is to measure the divided vibration through the vibration plate scan. The second step measures the diaphragm photographed using a thermal imaging camera. Then, compare the results of both of the same frequency. Thus, comparing the heat transfer pattern and the pattern of break-up mode. Tend to be analysis of break-up mode from the pattern comparison, and document for the optimum design.

• 한국HCI학회:학술대회논문집
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• 2006.02b
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• pp.795-802
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• 2006

현대의 소비자는 더 이상 단순히 감성적 소구에 의해서나 기술적 기능을 제공하는 것으로 제품을 구매하지 않는다. 제품의 결정은 사용자와 제품 간의 상호작용에 따른 정서, 인지, 행위 등에 의한 총체적인 경험에 의한 것이며, 그러한 소비자들의 경험은 지리적, 역사적 전통으로 고착된 문화적 특성이 제품을 통한 사용자 경험의 기저에서 작용함으로써 문화권 별, 국가 별로 각기 다르게 구성된다. 특별히 음식 문화는 어느 나라이든 자연 조건의 영향과 함께 오랜 역사 속에서 형성되었기 때문에 독특하고 다양한 문화적 차이를 지니고 있으며 이러한 문화적 차이는 냉장고 사용에 있어서 다양한 사용행태를 구분 짓는다. 따라서 본 연구를 통해 식품 종류에 의한 영향뿐 아니라 내부 공간 활용의 패턴, 냉장고 환경 설정에 대한 능동적인 태도, 냉장고에서 제공하는 파티션이나 옵션에 대한 수용 정도, 식품의 정리 원칙에 대한 준수 정도 등에 따른 사용행태 간의 차이점을 발견하고, 차별적 사용행태의 기저에 존재하는 문화적 요인을 분석하여 문화적 차이가 사용자의 경험에 영향을 끼치게 됨으로 인하여 냉장고 디자인에 어떠한 변화를 초래하는지 그 연관성을 밝혀내고자 한다. 보다 실제적인 용도로 활용 가능하도록 냉장고 제작의 상업적인 측면을 고려하여 냉장고 내상의 레이아웃에 중점을 두어 본 연구를 진행하였다. 본 연구는 설문과 현장 관찰을 통해 정량적 관찰을 중심으로 분석하였다. 두 국가의 문화 비교를 위한 설문은 이미 여러 연구자료에 의해 검증된 Trompenaars의 문화 변수를 바탕으로 제작 하였다. 또한 정량적 연구에서 발견될 수 없는 문화권 별 여러 특징들에 대한 데이터를 구체적으로 수집하기 위하여 정성적인 연구 방식의 일환으로 실제 관찰 및 사용자 인터뷰를 실시하였으며, 이를 통하여 현상의 원인 및 사용자의 의도를 파악하도록 연구를 진행하였다.

• Proceedings of the Korea Contents Association Conference
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• 2005.11a
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• pp.416-422
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• 2005

The feature of digital media's interactivity made the traditional storytelling to be evolved into a new concept of digital storytelling. Unlike films or animations, games' storytelling takes open-ended design method; thus, it is possible to create unlimited number of stones within a game depending upon the decisions of player characters. In this paper, a character-centered game storytelling system of a highly story-based RPG genre will be reviewed, and, it analyzes case studies of how a character with various story values can interact with its background story, virtual game world, and many events in its game storytelling system. Game storytelling structure and game mechanics are related to each other very closely. Therefore, it is possible to control the player's overall movement as the character's story develops according to a predictable structure or situation.

• Journal of KIISE:Computing Practices and Letters
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• v.16 no.3
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• pp.371-375
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• 2010

SSD is a storage medium based on NAND Flash memory. Because of its short latency, low power consumption, and resistance to shock, it's not only used in PC but also in server computers. Most SSDs use FTL to overcome the erase-before-overwrite characteristic of NAND flash. There are several types of FTL, but page mapped FTL shows better performance than others. But its usefulness is limited because of its large memory footprint for the mapping table. For example, 64MB memory space is required only for the mapping table for a 64GB MLC SSD. In this paper, we propose a novel caching scheme for the mapping table. By using the mapping-table-meta-data we construct a fully associative cache, and translate the address within O(1) time. The simulation results show more than 80 hit ratio with 32KB cache and 90% with 512KB cache. The overall memory footprint was only 1.9% of 64MB. The time overhead of cache miss was measured lower than 2% for most workload.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.10 no.5
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• pp.910-920
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• 2006

We consider the problem of estimating a code-timing of DS-CDMA signal in antenna array systems in the presence of flat fading channels and near-far environments. We derive an approximate maximum likelihood algorithm of estimating the code-timing of a desired user for DS-CDMA systems to better utilize the time-varying characteristics of the fading process. In the development of code timing estimator, the given observation bits are divided into many sets of sub-windows with each sufficiently large. The proposed method uses sub-windows with equal size associated with the coherence time of channel fading. The alternative approach is that without the estimation of the fading rate, the sufficiently given observation bits are simply separated into two consecutive sets of sub-windows. The derivation of the proposed algorithms is based on multiple antennas partially correlated in space. The impacts of spatial fading correlation on acquisition and men acquisition time performance of the proposed algorithms are also examined.

• Journal of the Korean Geographical Society
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• v.47 no.6
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• pp.884-898
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• 2012

Place names represent a lot of information about the region and the life of the local residents. In particular, old geographical names have more spatial informations than recent place names. This paper tried to analyze the distribution and characteristic of 'Dumo' which is one of the ancient place names and was studied by Nam youngwoo in 1996 for the first time. After considering the etymology and phonological structure of 'Dumo', the name 'Dumo' included the geographic conditions related to a mountain and river in itself. The total number of place names in the line of 'Dumo' which were collected by the author were 417 and they were distributed evenly on the Korean Peninsula. 85% of them were used for the human place names and 73% of the human place names were served as settlement names standing for a village or an administrative district. Thus the author analyzed the location and diffusion of 220 of settlement names in depth. As a result, villages named in the line of 'Dumo' preferred southern or eastern exposure and located in front of a mountain and around a river. After a village name 'Dumo' was set up, it produces other similar names in the line of 'Dumo' near the village so most place names of 'Dumo' were found with several names of 'Dumo' not alone.

• Proceedings of the Korean Society of Soil and Groundwater Environment Conference
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• 2006.04a
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• pp.266-269
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• 2006

지하수, 해수 혹은 지표수의 희토류원소의 분포도에 있어서 Eu과 Ce은 산화수의 변화에 따라 다른 희토류원소로터 벗어나게 되고, 이로이해 Eu과 Ce의 이상이 발생된다. 지표수와 지하수의 연계성을 밝혀내기 위해 희토류원소를 이용하여 전주-완주지역에서의 지표수와 지하수시료를 2002년부터 2004년까지 6차례에 걸쳐 채취하였다. 이중 2003년 8월까지의 시료는 2개기관에서 각각 희토류원소 함량을 측정하였다. 또한 대수층 구성암석과의 상관성을 밝혀내기 위해 동일한 지역에서 코어시료를 채취하였다. PAAS(Post Archean Australian Shale)로 규격화한 희토류 원소분포도에 의하면, 갈수기인 2002년 4월과 2003년 11월의 지표수와 지하수는 대체적으로 중희토류가 부화되었고, 아울러 강한 Eu의 정(+)의 이상과 Ce의 부(-)의 이상을 보여주었다. 그러나 갈수기가 끝난 2003년 6월과 장마가 끝난 직후인 2003년 8월의 시료에서는 대부분의 지표수와 지하수 시료가 Eu의 강한 부(-)의 이상을 보여주었다. 그리고 일부 시료에서는 Ce의 부(-)의 이상도 관찰되었다. 이와 같은 Ce과 Eu의 변화는 산화-환원작용의 영향을 받은 산화수(즉 Ce3+와 Ce4+, Eu2+와 Eu3+)의 변화에 의한 것으로 해석할 수가 있다. 뿐만 아니라, 본 연구결과에 의하면, 전주-완주 지역에서의 지표수와 지하수는 매우 밀접한 연관성을 갖고 있으며, 그 순환속도 또한 비교적 빠른 편으로 나타났다. 그리고 본 연구결과, 희토류원소는 지표수와 지하수의 연계성을 밝혀내는 데 있으며 매우 유용한 지시자임을 확인하였다.

• Journal of Korean Society of Transportation
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• v.35 no.1
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• pp.37-49
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• 2017

This study proposes an analysis methodology for air quality improvement effect of transport and environment policy that are used for mobile pollution sources. The methodology considers the changes of traffic of road transport sources and air pollutant emission, the changes of atmospheric dispersion of air pollutants and the effects on the health of local residents in response to policy implementation. Especially, the changes to traffic flow must be considered in evaluating the effects on atmospheric environment as it has a direct connection to the effects of the policy in this study. We used bottom-up approach (BUA) based on the travel demand model to reflect the changes of travel behavior in detail in response to the policy implementation compared to the top-down approach (TDA) when calculating the changes of emission level of road transport. We showed the applicability of the proposed analysis methodology through a policy scenario analysis, and the analysis method can be effectively applied to the cases in which travelers' behavior changes are expected.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.40 no.2
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• pp.135-143
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• 2020

Natural drought is a three-dimensional phenomenon that simultaneously evolves in time and space. To evaluate the link between meteorological and hydrological droughts, we defined a drought event from a three-dimensional perspective and analyzed the propagation characteristics in time and spaces. Overall results indicated that 77 % of the total cases of spatio-temporal droughts was propagated based on the single category relationship between meteorological and hydrological drought events, while 23 % was affected by multiple meteorological drought events to the occurrence of hydrological drougts. Especially, it turned out that the hydrological drought was caused by the spatio-temporal effects of the propagation of four meteorological drought events generated due to long-term lack of precipitation in 1994-1995. In addition, the meteorological drought caused by the lack of precipitation in the summer of 2001 lasted for several months, and was propagated to the hydrological drought in April 2002.