• Title/Summary/Keyword: RYO

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Determination of the Appropriate Promotion Size and Sensitivity Analysis of Promotion Probabilities (적정 진급인원수 결정 및 진급확률 민감도 분석)

  • Lee Ik-Ju;Min Gye-Ryo
    • Journal of the military operations research society of Korea
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    • v.15 no.2
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    • pp.20-37
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    • 1989
  • A markov chain is used to derive the models for determining the size of persons to be promoted and for conducting the sensitivity analysis of promotion probabilities. To compute the former case a future wastage rate is forecasted by using the double exponential smoothing method. The model for sensitivity analysis is used to simulate the impact of change in graded-size targets and hiring policy on the promotion probabilities.

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PV/FI Model in Sequential Investment Process under Certainty (확실성하의 순차적 투자과정에서의 PV/FI 투자대안 결정 모형)

  • Min Gye-Ryo
    • Journal of the military operations research society of Korea
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    • v.9 no.1
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    • pp.15-28
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    • 1983
  • In sequential capital allocation processes, the information on the future availability (flexibility) of invested funds provides a decision maker with additional insight into the characteristics of alternatives. The investment decision with consideration of flexibility and profitability results in more wealth accumulation than the decision without considering flexibility does in sequential investment processes. To utilize the information on the flexibility under certainty, the PV/FI decision model is developed.

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방산 부품.소재 국산화 개발 대책(2)

  • Choe, Seok-Cheol;Min, Gye-Ryo
    • Defense and Technology
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    • no.3 s.265
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    • pp.20-31
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    • 2001
  • 국내 방산 부품.소재 국산화개발 활성화 방안으로 방산 연구개발 측면에서는 정책 일관성유지와 투자의 확대, 국내 여건에 부합되는 전략 수립, 국제협력 연구개발의 강화를, 방위산업 측면에서는 방산업체의 경제력 강화, 국산화개발에 따른 경제성 보장, 방산물자의 수출촉진을, 기술정보 측면에서는 정보 획득체계의 강화와 기술정보의 공유를 제시하였다. 이러한 제반 개선 방안은 당장 시행이 어려운 분야가 많겠지만, 부품.소재 개발이 장비개발보다 용이하다는 인식을 불식하고 부품.소재 국산화 개발의 중요성을 인식하여 부품.소재 국산화개발을 위한 정부의 강력한 국산화 의지가 필요하다.

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Power consumption of a Quick-Response Liquid Powder Display ($QR-LPD^{(R)}$)

  • Hattori, Reiji;Masuda, Yoshitomo;Nihei, Norio;Sakurai, Ryo;Yamada, Shuhei
    • 한국정보디스플레이학회:학술대회논문집
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    • 2005.07b
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    • pp.845-849
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    • 2005
  • Quick-Response Liquid Powder Display ($QR-LPD^{(R)}$) is a promising device for ultra-low-power applications. Several driving methods for this display were investigated in terms of image quality and power consumption. The power consumed both in a panel and in the output circuits of driver LSIs was evaluated by analog circuit simulation and discussed.

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Jisso Technology Roadmap 2001 in Japan

  • Haruta, Ryo
    • Proceedings of the International Microelectronics And Packaging Society Conference
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    • 2001.09a
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    • pp.51-69
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    • 2001
  • Japan Jisso Technology Roadmap 2001 (JJTR2001) was published by JEITA in April 2001. Future electronic products request further higher assembly technology (ex. Finer pitch packages & components, 3D assembly, etc.) to reduce size and improve performance of the electric products. For LSI Packages, finer ball pitch technology and finer chip connection technology will be developed. For electric components, further size reduction will be developed. For Jisso (assembly) machine, finer pitch assembly and short tact time technology will be developed. Mr. Utsunomiya will present PCB roadmap next.

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A Study on Model for Target Assignment and Gun Ammunition Required for Naval Surface Warfar (수상전에서의 표적할당 및 포탄소요양 결정모형)

  • Min Gye-Ryo;Kim Heung-Man
    • Journal of the military operations research society of Korea
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    • v.13 no.1
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    • pp.28-44
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    • 1987
  • This thesis presents a model to assign targets and to determine gun ammunitions required for naval surface warfare. Delivery errors of weapon systems and vulnerability of moving targets are analyzed, then probability to kill moving battle sihps is computed. A weapon-target allocation model is proposed by using the Out of Kilter technique. A model to determine ammunitions required for killing moving targets is also designed. The models are evaluated by simulation and sensitivity analysis.

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방산 부품.소재 국산화 개발 대책

  • Choe, Seok-Cheol;Min, Gye-Ryo
    • Defense and Technology
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    • no.2 s.264
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    • pp.18-25
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    • 2001
  • 방산 부품.소재의 국산화는 국방연구개발과 국내 방위산업의 육성을 통하여 달성된다고 볼 수 있으며, 오늘날 선진국의 방위산업 육성은 무기체계의 생산이 군사적 측면과 경제적 측면, 즉 국가안보와 산업경쟁력 강화라는 이중의 목표를 달성하기 위한 것이다. 그러나 짧은 기간에 제품설계 능력이 부족한 상태에서 모방생산을 위주로 생산 조달이 이루어져 온 관계로 주요 장비의 국산화율이 저조하여 군에서 운용상 문제점 발생으로 군의 전투력 저하요인이 되고 지금까지 영향을 미치는 실정이다.

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Design of high homogeneity superconducting magnet (고균등자장 발생용 초전도 마그네트의 설계)

  • Jin, Hong-Beom;Nah, Wan-Soo;Ryo, Kang-Sik
    • Proceedings of the KIEE Conference
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    • 1994.07a
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    • pp.192-194
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    • 1994
  • High homogeneity and stability are required in superconducting magnet for Magnetic Resonance Imaging. In this paper, Magnetic Field theories for the design of high homogeneity magnet are introduced and multi-sections solenoid type coils are optimzed to produce highly homogeneous field.

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