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홍준현(Jun Hyun Hong),박지형(Ji-Hyung Park),임민혁(Min-Hyuk Lim) 한국정책분석평가학회 2010 政策分析評價學會報 Vol.20 No.3
The main purpose of this research is to analyze the effects of nuclear power plants on regional economy infour nuclear power plant sites such as Kori, Youngkwang, Uljin, and Wolsong. To estimate net effects ofnuclear power plants, this paper analyzes not only the areas where nuclear power plant locates but alsoadjacent areas. The analysis of effects of nuclear power plants on regional economy is based on economicbase model, utilizing the measurement of basic employment proportion through location quotient analysis,the projection of employment growth through shift-share analysis, and the estimation of basic employmentmultiplier through short-term impact analysis. The results show that the nuclear power plant sites havebrought positive impacts on the regional economy and are expected to bring them continuously in the future.However, unless nuclear plants are interconnected to other industries in the region, their impacts on theregional economy could be limited.
18GHz 다중통신을 위한 OFDM송수신 모듈의 데이터 전송특성 시험
박종철(Jong-Cheol Park),안태기(Tae-Ki An),김승남(Sung-Nam Kim),임민혁(Min-Hyuk Lim),심보석(Bo-Seog Sim) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
The importance of broadband wireless communication system at subway tunnels is growing up. At 18GHz wireless video transmission system the transmitter requires a digital modulation method. At subway tunnel A 18GHz's influence of the multi-pass padding is strong. OFDM digital modulation that is strong for multi-pass padding is recommended. Duplexing methode uses FDD to transmit and receive broadband data at the same time. In the case of FDD we assign a private use channel each with the transmission at the receiving. In this paper We implement multiple access wireless OFDM transceiver. We verified that one ground transceiver communicates with two car transceiver at the same time.