• Title/Summary/Keyword: power adaptation

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The Factors Influencing Employment Stress of Nursing Students (간호대학생의 취업스트레스에 미치는 영향요인)

  • Cho, Eui-Young;Kim, Jung Ae;Kim, Ji-Young;Kim, Hyun-Ji;Ra, Eun-Soo;Lee, Hye-Yeon
    • The Journal of the Convergence on Culture Technology
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    • v.2 no.1
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    • pp.35-43
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    • 2016
  • The purpose of this study was to analyze the relationship between general characteristics, clinical practice stress, major satisfaction and employment stress, and check the effect on employment stress in order to provide baseline data of reduced amount of stress from nursing undergraduates. Methods: The cross-sectional descriptive study design was used. We selected 388 nursing undergraduate students from nursing college located in Daejeon, Jinju, Naju city by convenience random sampling and analyzed the data using SPSS 22.0 program. Results and Conclusion: Factors that effects on employment stress was clinical practice stress, major satisfaction and family economic status, and the explanatory power was 23.8%. The results show the need for development of pre-clinical practice adaptation education program and applying it for nursing students to reduce the clinical practice stress. Also, development of counseling program is needed, since nursing has higher employment rate compare to other major however it is difficult to get a job at wanted hospital, moreover there are students who are pressured from license examination.

Incremental Redundancy Hybrid ARQ (IR-HARQ) Scheme Using Block LDPC Codes (블록 LDPC의 Incremental Redundancy Hybrid ARQ (IR-HARQ) 기법)

  • Kim, Dong Ho;Lee, Ye Hoon
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.38A no.8
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    • pp.662-668
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    • 2013
  • Mobile communication systems have been adopting link adaptive transmission schemes such as adaptive modulation and coding (AMC) and hybrid-ARQ (HARQ). Incremental redundancy (IR) HARQ scheme is known to be highly efficient in terms of throughput and power consumption and can be a good solution for mobile communication systems. In this paper, we propose an IR-HARQ scheme based on dual-diagonal parity-type block LDPC codes in which we define a transmission priority of coded bits and propose the sub-packet construction rule. We present the throughput performance of IR-HARQ with various modulation and coding and multi-antenna modes. Consequently, the proposed scheme provides the improvement of system throughput by elaborate link adaptation with CQI information.

A Study on Climate Change KML Contents Publishing by using Meteorological Model (수치모델을 이용한 기후변화 KML 콘텐츠 출판 연구)

  • An, Seung-Man;Choi, Yeong-Jin;Eum, Jung-Hee;Jeon, Sang-Hee;Sung, Hyo-Hyun
    • Journal of Korean Society for Geospatial Information Science
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    • v.19 no.4
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    • pp.35-45
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    • 2011
  • The purpose of this study is visualizing climate change contents from Weather Research and Forecasting model and providing useful tool to anyone who want to use them for communication and actual movement. As a results, we have built a process and user interface for publishing Arrow KML, BWS KML, and DI KML. Arrow KML provide wind rose service and wind attribute information for each arrow. BWS KML provide a wind power index and DI KML provide a thermal comfort. All KML contents are more reliable because those are visualized from the scientifically verified climate change prediction model. Further study will focus on searching for climate change contents mining and useful contents design for wide range of climate change mitigation/adaptation activity.

Development of a Design and Analysis Program for Automatic Transmission Applications to Consider the Planetary Gear Noise and Its Adaptation (자동변속기 유성기어 소음을 고려한 시스템 분석용 프로그램 개발 및 적용에 관한 연구)

  • Lee, Hyun Ku;Lee, Sang Hwa;Kim, Moo Suk;Hong, Sa Man;Kim, Si Woong;Yoo, Dong Kyu;Kwon, Hyun Sik;Kahraman, Ahmet
    • Transactions of the Korean Society for Noise and Vibration Engineering
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    • v.25 no.7
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    • pp.487-495
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    • 2015
  • A generalized special program called planetary transmission analysis(here in after PTA) is developed to improve planetary gear noise in automatic transmission. PTA is capable of analyzing any typical one-degree-of-freedom automatic transmission gear train containing any number of simple, compound or complex-compound planetary gear sets. The kinematics module in PTA can compute the rotational speeds of gears and carriers and calculate the order frequencies to predict the planetary noise components. The power flow analysis module performs a complete static force analysis providing forces, moments, or torques of gears, bearings, clutches and connections. Based on the given type and number of planetary gear sets, the search algorithm determines all possible kinematic configurations and gear tooth combinations in a required set of gear ratios, while eliminating whole kinematic redundancies and unfavorable clutching sequences. By using PTA program, planetary internal speeds of new developed automatic transmission are early obtained; therefore, possibility of the noise problem could be predicted in early design stage. As implementing PTA in planetary gear NVH development procedure, planetary gear noise was successfully reduced by 10 dBA.

Benchmarking of Strategic Performance of Global Top Construction Firms (사업구조 전략 분석을 통한 세계 선진기업 선정 및 특성분석)

  • Woo, Jung-Suk;Jang, Hyoun-Seung;Choi, Seok-In;Park, Chan-Sik
    • Korean Journal of Construction Engineering and Management
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    • v.10 no.3
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    • pp.122-129
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    • 2009
  • Strategic planning is an essential function of senior management in any business firm. Planning involves the firm's behavior in an competitive market and adaptation of the company's resources towards the selected market strategy. This study presents a methodological procedure for strategic planning in global top-tier construction firms. This procedure consists of the following stages. First, analyzed growth of revenue in which weight of total construction firms' revenue shown in Global Top 225 Contractors(ENR). Second, analyzed specialty of construction products. The products are General Building, Power, Water Supply, Industrial/Petroleum Process, and Transportation. Third, analyzed business the portfolio plan. The business portfolio plan includes both local/overseas market and specification/diversification of construction products. It affects the subsequent choice of a benchmarking for development of each construction company. The choice of the benchmarking firm, among several available alternatives, should follow a careful analysis of the characteristics and benefits inherent in the implementation of each.

Development of Fragmentation Management Simulator for 6LoWPAN (6LoWPAN 단편화 관리 기법 시뮬레이터 개발)

  • Seo, Hyun-Gon;Han, Jae-Il
    • Journal of the Korea Society for Simulation
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    • v.17 no.4
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    • pp.191-198
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    • 2008
  • 6LoWPAN (IPv6 Low-power Wireless Personal Area Network) is IPv6 packets transmission technology at Sensor network over the IEEE 802.15.4 Standard MAC and Physical layer. Adaptation layer between IP layer and MAC layer performs fragmentation and reassembly of packet for transmit IPv6 packets. RFC4944, IETF 6LoWPAN WG standard document define packet fragmentation and reassembly. In this paper, we propose the 6PASim (6LoWPAN Packet Simulator) to perform IPv6 packet fragmentation and reassembly for performance evaluation. The 6PASim consist of two parts. One is Packet_Transmit_module that makes IEEE 802.15.4 frames the IPv6 packet from upper layer, and transmit its. and the another is Packet_Receive_module that reassembles transferred frames and completes original IPv6 packets. we can evaluate frame transmit rate and amount of control message through 6PASim. The result of simulation shows the SRM (Selective Retransmission Method) scheme provider better performance than IRM (Immediate Retransmission Method) scheme.

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Comparative Study on Color Style between and (<뮬란>과 <라이온 킹>에 나타난 색채스타일 비교연구)

  • Kim, Kwang-Hwan
    • The Journal of the Korea Contents Association
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    • v.6 no.11
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    • pp.161-171
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    • 2006
  • As the very important artistic elements expressing a visual image, the color has been increasing the power of expression. But the relationship between the remarkable peculiarity of colors in accordance with other artistic elements inside the picture plane makes difficult to express an effective expression of color. In the adaptation of color as well as artistic style between & by W. Disney co. is very different each other in the manner of expression. By revealing the difference of the practical use of color and it's principle of those two works, I want to formulate a suitable use of color. In this paper, focus on how to active application of color in relationship between other artistic element and expressive peculiar of color. A right is not only the dominant component in color, but contrast also. A contrast is the most considerable element for modeling order. To emphasize expressive peculiar of color, an artist control artistic element properly and can make expressive energy of brightness & shape.

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A Study on the International Competitiveness of the Korea Liner Shipping Commany (우리나라 정기선사의 국제경쟁력에 관한 연구)

  • Lee, Jae-Kyu
    • Korean Business Review
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    • v.11
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    • pp.365-384
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    • 1998
  • Under the rapid change of the world shipping industry, the liner shipping company in Korea should initiate the adaptation power, counterplot for survival, and continuous development. The world shipping industry is in the middle of the wave for the liberalization and openness of it. According to this change in world shipping industry, it is the fact that government policy for shipping industry should start turning its direction from the protectionism to the liberalism. Under this kinds of situations, this study firstly treated the liner shipping company and its governmental policy of Korea and Japan. Based on those studies, analysis of the liner shipping company operation and management reality was executed. Through the execution of studies, the problems which should be solved for development occurred. Furthermore, this thesis takes two way of researches of literature and actual proof for reinforcement plan of international competitiveness. This standard time period of study is set in 1993 except the irregular liner shipping company.

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Patterns of morphological variation in the Schlegel's Japanese gecko (Gekko japonicus) across populations in China, Japan, and Korea

  • Kim, Dae-In;Park, Il-Kook;Ota, Hidetoshi;Fong, Jonathan J.;Kim, Jong-Sun;Zhang, Yong-Pu;Li, Shu-Ran;Choi, Woo-Jin;Park, Daesik
    • Journal of Ecology and Environment
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    • v.43 no.4
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    • pp.332-340
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    • 2019
  • Background: Studies of morphological variation within and among populations provide an opportunity to understand local adaptation and potential patterns of gene flow. To study the evolutionary divergence patterns of Schlegel's Japanese gecko (Gekko japonicus) across its distribution, we analyzed data for 15 morphological characters of 324 individuals across 11 populations (2 in China, 4 in Japan, and 5 in Korea). Results: Among-population morphological variation was smaller than within-population variation, which was primarily explained by variation in axilla-groin length, number of infralabials, number of scansors on toe IV, and head-related variables such as head height and width. The population discrimination power was 32.4% and in cluster analysis, populations from the three countries tended to intermix in two major groups. Conclusion: Our results indicate that morphological differentiation among the studied populations is scarce, suggesting short history for some populations after their establishment, frequent migration of individuals among the populations, and/or local morphological differentiation in similar urban habitats. Nevertheless, we detected interesting phenetic patterns that may predict consistent linkage of particular populations that are independent of national borders. Additional sampling across the range and inclusion of genetic data could give further clue for the historical relationship among Chinese, Japanese, and Korean populations of G. japonicus.

Study of the Plan for Revitalizing Reemployment and Inauguration of Retired Military Person (제대군인의 재취업 및 창업 활성화 방안에 대한 연구)

  • Lee, Jae-Hee;Ha, Kyu-Soo;Kim, Hong
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.2 no.1
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    • pp.83-108
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    • 2007
  • This study conducted research over status of employment and living by collecting questions & answers from retired soldiers after service in ROK Army more than 5 years in last 5 years. As the methodology of this research, the status of employment has been provided from the Citizen Insurance Public Corporation, and conducted interviews for all individuals in addition to the receiving of questions & answers. Also, the statistic data prepared and submitted for Congressional Audit & Inspection from MND was also utilized for the purpose of research. In conclusion, the situation faced with retired soldiers after their retirement is showing the future of reflection of oneself to the personnel in active service who must do their best only for their duty to keep national security. If those personnel in active service are worrying about their future returning to civilian society after retirement, it will not only become an impediment to perform their duty but also bring invisible weakening of military power to defend our nation in result. This is the rationale for the necessity of providing support for social adaptation, reemployment and inauguration of retired soldiers.

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