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Turbo Positioning Using Link Reliability in Wireless Networks
윤경수,박지규,안재영,권재균 한국전자통신연구원 2018 ETRI Journal Vol.40 No.1
In wireless positioning systems using range measurements non-line-of-sight (NLOS) links cause estimation errors. Several studies have attempted to improve the positioning performance by mitigating these NLOS errors. These studies, however, have focused on the performance of a dataset consisting of three or more links. Therefore, measurement errors induced by links are averaged, and a reliable link is not fully utilized in the dataset. This paper proposes a Link Reliability based on Range Measurement (LRRM) scheme, which specifies the relative reliability of each link using residuals. The link reliability becomes the input to a Link Residual Weighting (LRW) scheme, which is also proposed as a weighted positioning scheme. Moreover, LRRM and LRW constitute new turbo positioning, where the estimation errors are reduced considerably by iterative updates.
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IDEF0를 이용한 중소제조업 생산시스템 업무프로세스 모델링
윤경수,전태보 강원대학교 정보통신연구소 2001 정보통신논문지 Vol.5 No.-
A business process model of a small manufacturing industry applying IDEF methodology has been presented in this study. Dynamically changing and competitive market environment specifically calls industries to be agile and adaptive. A proposed direction for manufacturing industries is to synthesize the internal business processes which have frequently been functionally separated. IDEF is a useful methodology to satisfy this need and the current production system, especially business, material handling, quality, and production control functions of the considered company have rigorously been analyzed and modeled. The results obtained in this study may serve a good reference to many small industries seeking for systematic integration of the system.
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燕岩의 作家 意識으로본兩班傅의 調刺性과 文學的 受容 樣相
윤경수 부산외국어대학교 국어국문학과 1997 牛岩斯黎 Vol.8 No.-
『양반전』은 연암 박지원(1737~1805)이 지은 한문 단편으로 초기 9 전 중에서 가장 많이 읽혀진 작품이다. 그 이유는 봉건사회에 대한 양반들의 병리 현상의 비판이 당시에 나타난 사상이라 할 수 있는 실 사구시, 이용후생 학풍과 상통하기 때문이다. 『양반전』에는 연암의 작가의식이 반영되어 있으므로 이것을 현대 성을 살린 효용 가치적 측면에서 연구하게 되면, 그 성격과 의미가 뚜렷이 밝혀지리라 본다. 이에 본고는 풍자의 대상이 된 유교경전의 금지 절목(禁止 節目)·당행절목(當行 節目)의 일부를 고찰함에 있어 풍자문학으로 고찰하고자 한다.
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NASH 동물모델에서 인진청간탕과 인진사령산의 효과규명
윤경수,우홍정,이장훈,김영철,Yun, Kyoung-Su,Woo, Hong-Jung,Lee, Jang-Hoon,Kim, Young-Chul 대한한방내과학회 2009 大韓韓方內科學會誌 Vol.30 No.2
Objective : The aim of this study is to investigate the preventive effect of Injinchunggan-tang (YJCGT) & Injinysaryung-san (YJSRS) on MCD-diet-induced NASH in A/J mice. Methods : A/J mice were divided into 4 groups: Normal group (normal diet without any treatment). Control group (MCD diet only), YJCGT group (MCD diet with YJCGT), and YJSRS group (MCD diet with YJSRS). After 5 weeks, body weight, liver weight, biochemical parameters for liver function test, histological changes, and real-time PCR were assessed. Results : Mice lost body weight with the MCD diet and the YJCGT and YJSRS groups lost less than the control group, though showed no statistical significance. Liver weights were decreased by the MCD diet, but not significantly. In the liver function test, all the values were increased with the MCD diet, though some did not show significance. Alp and ALT levels were significantly less increased by YJCGT compared to the normal (p<0.05). All values were decreased or increased compared to the control by treatment though showed no significance possibly due to insufficient sample numbers. In histological findings of the livers. MCD-diet induced severe fatty change and collagen accumulation in the livers, but this fatty change was reduced in the YJCGT and YJYRS groups and fibrogenesis was inhibited significantly with p<0.05 and p<0.01, respectively. In real-time PCR analysis, YJCGT and YJYRS showed inhibitory effect on liver fibrogenesis by reducing associated gene expressions caused by MCD diet. Conclusion : YJCGT and YJSRS are considered to be possible candidates for the treatment of patients with NASH and/or liver fibrosis.
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신석정시의 난초에 대한 고찰 - 난초기질의 작가의식을 중심으로 -
윤경수 한국사상문화학회 2015 韓國思想과 文化 Vol.79 No.-
Sin Seok-jeong was born in Buan, Jeonrabukdo and a pastoral poet, who wrote many poems on the pastoral life. He learned Chinese writing from his grandfather, who was an expert in Chinese studies. Encountering and studying Tao Yuanming’s poems, Sin developed his skills to write the poems. Tao Yuanming was born in a poor rural family in Qin Dynasty and became a local official in Pengze to overcome poverty. He decided to quit his job in 80 days and wrote poems while living in a rural area after witnessing the wide-spread corruptions of officials. Tao wrote a poem “Letter on Coming Home” to explain why he retired from his job and became a farmer. “Peach Blossom Spring” is a poem to describe the utopia of his own. Sin studied seriously about Tao Yuanming because Sin believed that the Qin officials behaviors were against the way of nature when Tao was living and it was similar to the time Japan occupied Korea. Sin started his career as a poet after he published “Present” in the volume 3 of Simunhak (Poem) in 1931. He returned home and studied many poets including Tao Yuanming, Rabindranāth Tagore, Henry David Thoreau while he was influenced from the Taoism and the western naturalist philosophy like J. J. Rousseau’s works. Sin Seokjeong considered Tao as a mentor among them and loved orchid. He believed that the smell of orchid is similar to the nature of Taoism. As a result, he published 5 poetry books and an essay book, Dewdrops on Orchid. Since Tao Yaunming was a mentor, Sin was considered as a pastoral poet. This study examines the poet consciousness through Sin’s works on the reflections of orchid and the thought of nature of the Taoism. 신석정은 전북 부안에서 태어나 전원생활을 주제로 시를 쓴 목가시인(牧歌詩人)이다. 그는 한학에 조예가 깊은 조부로부터 한문을 배우고 조석 간에 도연명 시의 창을 듣게 되어 문학적 소양을 쌓아 시를 짓게 되었다. 일찍이 도연명은 진(晉)나라의 어려운 농촌가정에서 태어나 가난을 면하려고 팽택(彭澤)의 현령(縣令)이 되었다. 그런데 당시 위정자는 부정비리를 행하여 이에 물들지 않으려고 관직에서 80여일 만에 물러나 전원생활을 하며 시를 지었다. 도연명의 『귀거래서』는 벼슬을 사직하고 농사를 살면서 사는 경위에 대해 지었다. 『도화원기』는 자신의 생활을 이상향이라고 나타낸 자화상이다. 석정은 진나라의 관리들의 생활이 자연의 경지와 어긋난 생황을 일삼아왔기 때문에 특히 일제강점기에 비교된다고 보고 도연명을 사숙하게 되었다. 성정이 시를 본격적으로 짓게 된 것은 1931년 『시문학』 3호에 『선물』을 발표한 이후라고 볼 수 있다. 그는 향리로 돌아와 농촌에서 주경야독하는 가운데 도연명 타골 소로우 카펜터에 심취된 가운데 노장철학과 장 자그 루소 등 구미의 자연주의 철학에 경도되었다. 석정은 그중 도연명을 사숙하여 난초를 좋아하여 난초의 청결한 향취가 노장의 자연과 통하게 되어 5권의 시집과 수필집 『난초 입에 이슬이 내리면』을 간행하였다. 그는 도연명을 사숙하여 목가시원으로 일걷게 되었다. 본고는 석정의 작품을 통해 난초와 노장의 자연관에 대해서 작가의식을 고찰하기로다.
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