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이종진,허준영,강세경,이준기,이정찬,이동수,Lee, J.J.,Huh, J.Y.,Kang, S.K.,Lee, J.K.,Lee, J.C.,Lee, D.S. 한국전자통신연구원 2015 전자통신동향분석 Vol.30 No.1
스마트폰의 보급에 따른 대용량 멀디미디어 서비스의 폭발적인 수요 증가에 따라데이터센터의 100Gb/s 광트랜시버에 대한 수요는 2017년을 기점으로 10Gb/s를 추월하여 2018년 데이터콤 전체 시장의 50% 이상을 차지할 전망이다. 한편, 데이터센터의 소비전력 및 시스템 집적도 증가를 위해 광트랜시버의 Form-factor는 CFP(40G/100G Form-factor Pluggable)에서 QSFP28($4{\times}28G$ Quad Small Form-factor Pluggable)로 약 1/14배 소형화될 전망이며, 이에 따른 광트랜시버 구성 부품의 집적도는 높아지고 소비전력은 현재 대비 1/9로 낮아져야 한다. 본고에서는 소형화 및 저전력화를 위한 광트랜시버의 표준화 및 기술동향과 국내외 시장동향에 대해 기술한다.
배란유도제가 생쥐 미성숙난자의 성숙에 미치는 영향 및 여러 배양액내에서 생쥐 2세포기의 배아 발달에 관한 연구
이종진,양춘모,문현창,이호성,이기숙,류철희,김종덕,Lee, Jong-Jin,Yang, Chun-Mo,Moon, Hyun-Chang,Lee, Ho-Seong,Lee, Ky-Sook,Rheu, Cheul-Hee,Kim, Jong-Duk 대한생식의학회 1999 Clinical and Experimental Reproductive Medicine Vol.26 No.2
Purpose of the present study was to find the optimal ovulation induction medicine for the maturation and development of immature oocytes and culture media for 2-cell embryos in the mouse model. ICR female mouse aged 6 to 8 weeks, were stimulated with 5 IU PMSG injection. At 47 to 50 hour post-PMSG injection, ovaries were dissected out and oocytes-cumulus complexes were punctured. The oocyte-cumulus complexes were cultured in media containing various ovulation induction medicine, CC, HMG and Metrodin for 18 hours. Female ICR mice were stimulated with 5 IU PMSG and 48 hours later were injected 5 IU of hCG, then female and male mice were mated. At 48 hour post-hCG injection, oviducts were dissected out and 2-cell embryos were flushed. The 2-cell embryos were cultured in various media, Ham's F-10 media of milli-Q water $(3^{\circ})$, Ham's F-10 media of HPLC (high performance liquid chromatography, Baxter) water, Medicult media, HTF (human tubal fluid) media for 96 hours. The results were as follows. 1. When the oocytes-cumulus complexes were cultured in $10^{-9}{\mu}g/ml{\sim}10^{-8}{\mu}g/ml$ of CC, those were suppressed in meiotic maturation $(28.2{\sim}33.7%)$. Whereas the oocytes-cumulus complexes were cultured in $10^{-7}{\mu}g/ml{\sim}10^{-4}{\mu}g/ml$, these were not effected in meiotic maturation $(54.5{\sim}72.7%)$. 2. When the oocytes-cumulus complexes were cultured in $10^{-4}{\mu}g/ml{\sim}10^{-1}{\mu}g/ml$ of Metrodin, those were suppressed in meiotic maturation $(35.7{\sim}41.5%)$. Meanwhile the oocytes-cumulus complexes were cultured in $10^{-7}{\mu}g/ml{\sim}10^{-5}{\mu}g/ml$, those were not effected in meiotic maturation $(54.2{\sim}70.3%)$. 3. When the oocytes-cumulus complexes were cultured in $10^{-5}{\mu}g/ml{\sim}10^{-4}{\mu}g/ml$ of HMG, those were suppressed in meiotic maturation $(48.2{\sim}50.4%)$. As being cultured in $10^{-7}{\mu}g/ml{\sim}10^{-6}{\mu}g/ml$, increased in meiotic maturation $(75.8{\sim}80.7%)$. 4. When the 2-cell embryos were cultured in Ham's F-10 media of milli-Q water $(3^{\circ})$, Ham's F-10 media of HPLC (high performance liquid chromatograpy, Baxter) water, Medicult media, HTF (human tubal fluid) media, developmental rates to blastocyst and hatching for 96 hour were 50.0%, 45.2%, 71.5% and 95.6%, respectively.
이산 지속시간제어 연속분포 HMM을 이용한 연속 음성 인식
이종진,김수훈,허강인,Lee, Jong-Jin,Kim, Soo-Hoon,Hur, Kang-In 한국음향학회 1995 韓國音響學會誌 Vol.14 No.1
본 논문에서는 연속분포 HMM에 이산 지속시간제어와 회귀계수를 파라메터로 추가한 이산 지속시간제어 연속분포 HMM 모델을 이용하여 한국어 연속음성 인식 시스템을 구성하였다. 또한 25 문장의 로보트 제어명령문을 유한상태 오토마타에 의해 구문제어를 실시한 One Pass DP법으로 인식 실험을 실시하였다. 4연 숫자음에 대한 인식 실험에서 이산 지속시간 제어와 회귀 계수를 포함한 경우 평균 $93.8\%$의 인식율을, 포함하지 않은 경우 $80.7\%$의 인식율을 얻었다. 로보트 제어 명령문의 인식에서는 구문제어를 실시하지 않은 경우 평균 $90.9\%$, 유한 상태 오토마타에 의한 구문제어를 이용한 경우 평균 $98.4\%$로 $7.5\%$의 인식율이 향상되었다. In this paper, we report the continuous speech recognition system using the continuous HMM with discrete duration control and the regression coefficients. Also, we do recognition experiment using One Pass DP method(for 25 sentences of robot control commands) with finite state automata context control. In the experiment for 4 connected spoken digits, the recognition rates are $93.8\%$ when the discrete duration control and the regression coefficients are included, and $80.7\%$ when they are not included. In the experiment for 25 sentences of the robot control commands, the recognition rate are $90.9\%$ when FSN is not included and $98.4\%$ when FSN is included.
이종진,조태원,배효관,Lee, Jong-Jin,Cho, Tae-Won,Bae, Hyo-Kwan 대한전자공학회 2001 電子工學會論文誌-SC (System and control) Vol.38 No.2
저 전력을 소모하는 새로운 방식의 논리회로를 설계하여 이의 성능실험을 위해 패리티체커를 구성하여 시뮬레이션 하였다. 기존의 저전력 소모용으로 설계된 논리회로(CPL, DPL, CCPL 등)들은 패스 트랜지스터를 통과하면서 약해진 신호를 풀 스윙 시키기 위해서 인버터를 사용하는데, 이 인버터가 전력소모의 주원인이 되고 있음이 본 논문에서 시뮬레이션 결과 밝혀졌다. 따라서 본 본문에서는 인버터를 사용하지 않고 신호를 풀스윙 시킬 수 있는 회로를 고안하였다. 기존의 CCPL게이트로 구성한 패리티체커에 비해 본 논문에서 제안한 게이트로 구성된 것이 33%의 전력을 적게 소모하는 것으로 시뮬레이션 결과 나타났다. In this paper, a 8bit parity checker/generator is designed using a new gate which is proposed to implement the exclusive or(XOR) and exclusive-nor(XNOR) functions for low power consumption on transistor level. Conventional XOR/XNOR gate such as CPL, DPL and CCPL designed to reduce the power consumption has an inverter to get the full swing output signals. But this inverter consumes the major part of power and causes the time delay on CMOS circuits. Thus a new technique was adopted not utilizing inverter in the circuits. The results of simulation by Hspice shows 33% of power reduction compared with CCPL gate when A 8 bit parity checker was made with the proposed new gate using $0.8{\mu}mCMOS$ technology.
이종진,유정희,강현서,고재상,Lee Jong Jin,Yu Chong Hee,Kang Hyun Seo,Koh Jai Sang 한국마이크로전자및패키징학회 2004 마이크로전자 및 패키징학회지 Vol.11 No.3
레이저다이오드 냉각을 위해 사용되는 TEC의 소비전력을 3차원 유한요소해석으로 예측하고 실험을 통해 해석결과의 타당성을 검증하였다. 레이저다이오드의 소비전력, 제어온도, 외기온도, 열전달경로의 열저항 등이 고려되었다. 저소비전력 모듈의 설계를 위해 해석결과를 바탕으로 Pellet의 숫자와 치수로 결정되는 TEC 형태에 따른 소비전력특성을 고찰한 결과 Pellet의 숫자가 적으며 접지면적이 작고 길이가 길수록, 즉 열저항이 증가할수록 소비전력은 감소하였다. The power consumption of TEC for Laser diode cooling was predicted by 3-D FEM simulation and verified by experiment. The operating conditions such as power consumption of Laser diode, set temperature, ambient temperature, resistance of thermal path was considered to estimate the TEC power consumption. Using 3-D FEM simulation, the relation between TEC configuration defined by the pellet dimension and the number and power consumption was investigated for low power consumption scheme. As a result, as the thermal resistance of the pellet increased, the power consumption decreased.
人蔘中의 Vanadium 및 Manganese의 熱中性子에 依한 放射化分析
이종진,김종국,박진하,Chong Jin Lee,Chong Kuk Kim,Jin Ha Park 대한화학회 1963 대한화학회지 Vol.7 No.1
Thermal neutron activation analysis was applied to determine the trace amount of Vanadium and Manganese in Buyo and Kumsan Ginseng. These elements have been regarded to have great nutritional value and one of the indispensable factor in the growth of ginseng. The TRIGA MARK II Reactor in Atomic Energy Research Institute was used for the neutron source. The samples were irradiated for 10 minutes for Vanadium and for 5 minutes for Manganese at the neutron flux of about $1.28{\times}10^{12}n/cm^2/sec$ and the RCL 256 Channel Pulse-Height Analyzer connected with $2"{\times}2"$ Nal(Tl) was used for activity determination. The amounts were about 0.02 ppm for Vanadium and 20 ppm for Manganese, and it was also found that the amounts of the elements were slightly different depending on the kinds of ginsengs.