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이현수,노재선,정진화,장원철,Lee, Hyunsoo,Roh, Jaesun,Jung, Jin Hwa,Jang, Woncheol 한국통계학회 2016 응용통계연구 Vol.29 No.3
귀농인구의 증가는 빠르게 고령화되고 있는 한국농촌에서 경제 활성화의 단초로 주목받고 있다. 본 논문에서는 2013년 귀농귀촌인 통계를 바탕으로 네트워크 방법을 사용해 귀농인구의 이동에 대한 분석을 진행한다. 구체적으로 다양한 네트워크 중심도지표를 사용해 주요 귀농 거점지역을 파악하고 통계적 네트워크 모형을 사용해 귀농인구의 이동에 존재하는 경향을 살펴본다. 또한 latant distance model을 이용하여 거리가 귀농인구 이동에 미치는 영향에 대해 알아본다. Urban-to-rural migration for farming has recently emerged as a new way to vitalize rural economies in a fast-aging rural Korea. In this paper, we analyze the 2013 data of returning farmers with statistical network methods. We identify urban to rural migration hubs with centrality measures and find migration trends based on regional clusters with similar features via statistical network models. We also fit a latent distance model to investigate the role of distance in migration.
SLIM & DUAL OPTICAL SYSTEM FOR NEXT HENERATION OF HEADLAMPS
Hyunsoo Lee(이현수),Gilwon Han(한길원) 한국자동차공학회 2022 한국자동차공학회 학술대회 및 전시회 Vol.2022 No.11
When a new car is released on the market, we can see easily an image of a lit area on a new car with dark background. It shows a signature image of a new car directly. Because a lot of car makers wants to show their design identity as lighting images. And also they would like to keep a same image during day and night. To realize it, low beam optical module should work for DRL function too. But it is quite difficult because light distribution area is quite different each other. Low beam has horizontal cut off line. But DRL is more like high beam which is without cut off line. Here we have an idea to operate both functions properly by using the Prism Optical Module which is for Bi-Function. POM (prism optical module) has 2 light sources for low beam and DRL. Each light sources turn on and off for day and night! It gives a same design identity all days. It is real signature for the next generation headlamp. POM consists of 2 light sources, collimator lenses, Prism lens which is for light guide with projection lens. It can be seen as below photo. [그림 본문 참조]
도심 엔터테인먼트 쇼핑센터(UEC)의 테넌트 배치 형태에 관한 연구
이현수(Lee, Hyunsoo),오정아(Oh, Jung-Ah) 한국실내디자인학회 2012 한국실내디자인학회논문집 Vol.21 No.6
The purpose of this study is to analyze the pattern of tenant layout for selected cases of five different Urban Entertainment Center(UEC) in Seoul. This research deals with the process of gaining tenant layout pattern of 40 different types. It is composed of three combination unit with tenants of the same or different consumption mode, which is divided into four different functions of retail, entertainment, dining, and service. Then, every tenant of research cases is classified as one of the fabric type, and the data is analyzed to gain its frequency rate with SPSS 14.0 program. The following is the overall explanation of the result for this research. The frequency of tenant layout pattern between the same consumption mode shows the high rate when compared to the other patterns with different consumption mode. For example, the frequency rate of tenant layout pattern which retail and dining consumption mode are placed side by side like RRR and DDD is high. Interestingly, the frequency rate of RRR type of tenant layout pattern that sells the similar products shows especially high level. It can provide the effective environment for shoppers to compare retail goods in many different stores as producing synergic effects when they are located near each other, so this strategy should be considered when planning tenants in UEC environment. Moreover, in case of dining tenants, when they are clustered together in the UEC environment it can play a role as an anchor tenant. Tenant layout pattern of dining-retail and dining-service consumption mode shows the high frequency rate than other layout pattern with other consumption mode. Besides, entertainment consumption tenants combined with dining or retail tenants show the high frequency rate when compared to the pattern combined with service consumption mode.