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김인종,이주미,최상원,박소령,송익호,Kim In Jong,Lee Jumi,Choi Sang Won,Park So Ryoung,Song Iickho 한국통신학회 2005 韓國通信學會論文誌 Vol.30 No.6C
덧셈꼴 일차 이동 평균 잡음이 충격성일 때, 가장 비슷함 검파기와 준최적 가장 비슷함 검파기의 결정영역을 얻는다. 가장 비슷함 검파기와 준최적 가장 비슷함 검파기를 쌍극 신호 시스템에 적용하여 비트 오류율 성능을 견준다. 준최적 가장 비슷함 검파기는 가장 비슷함 검파기보다 덜 복잡하고 얼개도 간단하지만 성능은 거의 같다는 것을 보인다. 한편, 잡음 충격성이 심해질수록 일차 이동 평균 잡음에 알맞게 설계한 검파기와 독립이고 분포가 같은 잡음에 알맞게 설계한 검파기의 성능 차이가 커진다는 것도 보인다. We derive decision regions of the maximum likelihood(ML) and suboptimum ML(S-ML) detectors in the first order moving average(FOMA) of an impulsive process. The ML and S-ML detectors are compared in terms of the bit-error-rate in the antipodal signaling system. Numerical results show that the S-ML detector, despite its reduced complexity and simpler structure, exhibits practically the same performance as the optimum ML detector. It is also shown that the performance gap between detectors for FOMA and independent and identically distributed noise becomes larger as the degree of noise impulsiveness increases.
Development of the Solid Target Control System for the RFT-30 Cyclotron
김인종,허민구,Jeong Mun Son,박정훈,양승대 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.22
A solid target system typically consists of a solid target, a target cradle, receiving and irradiation stations, and a controller. In order to produce the designated radioisotopes in effective and efficient manners, the solid target requires a relatively high beam current with long irradiation time. In other words, the irradiated target becomes highly radioactive, and must be handled under proper and sufficient shielding conditions. Besides, the control system should be reliable and automated to protect the operator from radiation exposure. A solid target system was developed for the RFT-30 cyclotron in the Korea Atomic Energy Research Institute (KAERI). The target is designed to produce metallic radioisotopes, such as Zn-62, Cu-67, Ge-68, Pd-103, and In-111. The receiving and irradiation stations are installed in the hot cell and target irradiation room, respectively, and the stations are connected with square-type aluminum pipe. The controller of the solid target system was also designed and developed by using a graphical user interface program. In order to confirm the operability of the developed solid target control system, we carried successfully out the simulation tests at not only the computer level but also the real level. The developed system controls target cradle transport, target fastening, vacuum forming, target cooling, and all procedures before, during and after irradiation.
김인종 원광대학교 채문연구소 2001 역사와 사회 Vol.26 No.-
The purpose of this study is to provide the relationship of religion and welfare in the aging death. The problem of death has been interacted with vital energy that contains the slogan of social reform or the symbolic value of life to go beyond the philosophical field through the 20Century. In general, the problem of aged is summarized by poverty, disease, solitude or loss of roles and so on. Especially, the aging death is related the quality of death among the aged problems. The role of religion and welfare have been created a relationship in the aging death. That is, religion has been leaded to save a soul and welfare has been tried to the aged a security of the aging life. The main contents of this study are follows. First, the mutual relationship is suggested with a religious consideration and a practical welfare. Second, a vivid direction of this paper is suggested with the essence of death and dilemma of identity between religion and welfare. Third, this is logically explained with the philosophy of relation that the understanding of life and terminal care attitude, phased mode(Dignity-Relationship-Care) on the based public thinking. This study is on the centered the philosophical problems of death and the human service of the death in the aged, and this study is provided the comparative research of religion and welfare in order to help the activity that included the social role and function of religion.