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4篇 您的检索式:作者名="Jaekwon Kim"
    题名 作者 年代 出处 被引量
1An integrative model with subject weight based on neural net- work learning for bankruptcy prediction显示文摘CHO SUNGBIN KIM JINHWA BAE JAEKWON 2009Expert Systems with Applications2009,36,1:1
2Orthogonal Space time Block Coding in Fast Flat Fading Channel显示文摘Jaekwon Kim Ki Taek Bae Won Gi Jeon 2004IEEE2004,,:1
3Data collection model in hybrid network for participatory sensing显示文摘Advances in mobile technology make most people have their own mobile devices which contain various sensors such as a smartphone.People produce their own personal data or collect surrounding environment data with their mobile devices at every moment.Recently,a broad spectrum of studies on Participatory Sensing,the concept of extracting new knowledge from a mass of data sent by participants,are conducted.Data collection method is one of the base technologies for Participatory Sensing,so networking and data filtering techniques for collecting a large number of data are the most interested research area.In this paper,we propose a data collection model in hybrid network for participatory sensing.The proposed model classifies data into two types and decides networking form and data filtering method based on the data type to decrease loads on data center and improve transmission speed.Jeongseok Choi Taeyoung Kim Jaekwon Kim Sunghwan Moon Youngshin Han Jongsik Lee 2016International Journal of Modeling, Simulation, and Scientific Computing2016,7,4:0
4Effects of irradiation on superconducting properties of small-grained MgB_(2) thin films显示文摘We investigate the effect of ion irradiation on MgB_(2) thin films with small grains of approximately 122 nm and 140 nm.The flux pinning by grain boundaries is insignificant in the pristine MgB_(2) films due to good inter-grain connectivity,but is significantly improved after 120-keV Mn-ion irradiation.The scaling behavior of the flux pinning force density for the ion-irradiated MgB_(2) thin films with nanoscale grains demonstrates the predominance of pinning by grain boundaries,in contrast to the single-crystalline MgB_(2) films where normal point pinning was dominant after low-energy ion irradiation.These results suggest that irradiation-induced defects can accumulate near the grain boundaries in metallic MgB_(2) superconductors.刘丽 Jung Min Lee Yoonseok Han Jaegu Song Chorong Kim Jaekwon Suk Won Nam Kang 刘杰 Soon-Gil Jung Tuson Park 2023Chinese Physics B2023,32,12:0
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