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한동윤,Han, Dong Yoon 한국군사과학기술학회 2017 한국군사과학기술학회지 Vol.20 No.1
Gamma-ray has some advantages as a weapon: it has the ability to transmutate matter, high penetrability through materials, and it is very harmful to living things. So it is worth to study the features of gamma-ray weapon in order to utilize it. Such abilities were simulated on the basis of Monte Carlo simulation program GEANT4. For the simulation conceptual design of gamma-ray weapon was conducted. High energy electrons, which were necessary for the high energy gamma-rays, were produced by linear electron accelerator, of which the parameters were derived from the Pohang Light Source(PLS-II). Gamma-rays were get by bremsstrahlung mechanism. The spectra of gamma-rays, that were measured at distances of 500 m, 1000 m, 1500 m and 2000 m, were gained by GEANT4.
한동윤(Dong Yoon Han) 한국호텔외식관광경영학회 1998 호텔경영학연구 Vol.7 No.2
The tourist hotel classification system in Korea has increased the level of the facilities and the services of the hotels in Korea to the international standard, and has contributed to the development of the Korean tourist business. The foreign countries also have this kind of classification system. About 70 nations including U.S.A., United Kingdom France, Hong Kong etc. have such systems, and those systems have contributed to the improvement of the facilities, and that of the personal services by inducing the hotel employers to teach their employees. The tourist hotel classification system of Korea which was put into practice in the early 1971 had been amended 12 times until 1994. However, there are still many portions to be improved, which are as follows: First, the dualization of the subject of decision for the classification. Second, the irrationality of the investigating method for the classification. Third, the inadequacy of the investigating time for the classification of each sections. Fourth, the unbalance of the allotted marks for the classification. This study aimed to present the ways to cope with the above problems. As a result, this study will solve the irrational problems of a high expenses and a low efficiency of the enterprises, which are resulted from the overcapitalization for the idle facilities under the irrational law and regulations.
Alinite계 클링커 제조(製造) 시 MgO의 영향(影響)
유광석,안지환,한동윤,조계홍,오명환,Yoo, Kwang-Suk,Ahn, Ji-Whan,Han, Dong-Yoon,Cho, Kye-Hong,Oh, Myung-Hwan 한국자원리싸이클링학회 2009 資源 리싸이클링 Vol.18 No.3
Alinite계 클링커 합성 시 MgO의 영향에 대해 검토하였다. Alinite 조성비 및 Alinite 조성비에 MgO를 3.77% 대체하여 $760^{\circ}C$ 및 $800^{\circ}C$에서 $1,400^{\circ}C$까지 $100^{\circ}C$ 간격으로 3시간 열처리하여 합성 상 및 수화열을 측정하였다. MgO를 첨가하지 않은 경우, $1,300^{\circ}C$에서 alinite, CCA와 함께 ${\beta}-C_2S$상과 f-CaO가 다량 존재하였으나, MgO를 첨가한 경우, $1,300^{\circ}C$이상에서 alinite 상만이 존재하였으며, $1,300^{\circ}C$에서 가장 높은 형성률을 보였다. 또한, MgO를 첨가한 경우, OPC에 비해 유도기를 거치지 않은 수화거동을 보였다. The effect of MgO in synthesis of alinite clinker was investigated. Clinker of alinite composition ratio and alintite clinker substituted for MgO of 3.77% were sintered at $760^{\circ}C$ and between $800^{\circ}C$ and $1,400^{\circ}C$ at the interval of $100^{\circ}C$. Synthesized phases and hydration heat of alinite clinker with MgO and without MgO were then investigated. As a result, alinite, CCA, ${\beta}-C_2S$ and f-CaO phases are synthesized in alinite clinker without MgO sintered at $1,300^{\circ}C$, while only alinite phase is synthesized in alinite clinker with MgO sintered at $1,300^{\circ}C$ with the highest synthesis rate. Heat evolution of alinite clinker with MgO has no induction period.
강산들,황중원,정희철,한동윤,심성대,김준모,Kang, San-Deul,Hwang, Joong-Won,Jung, Hee-Chul,Han, Dong-Yoon,Sim, Sung-Dae,Kim, Jun-Mo 한국군사과학기술학회 2012 한국군사과학기술학회지 Vol.15 No.3
In this paper, we propose an integrated algorithm for scene recognition, which has been a challenging computer vision problem, with application to mobile robot localization. The proposed scene recognition method utilizes SIFT and visual words as local-level features and GIST as a global-level feature. As local-level and global-level features complement each other, it results in improved performance for scene recognition. This improved algorithm is of low computational complexity and robust to image distortions.
최민기,유준상,정명숙,한동윤,윤지영,송학수,윤우영,허재범,Choi, Min-Gi,Yoo, Jun-Sang,Jung, Myoung-Suk,Han, Dong-Youn,Yoon, Ji-Young,Song, Hak-Soo,Yun, Woo-Yeong,Heo, Jae-Beom 사상체질의학회 2008 사상체질의학회지 Vol.20 No.1
1. Objectives and Methods This study was performed to investigate the relationship between Sasang constitution and decision making style. Subjects were 69 men and 45 women. Decision making style score, physical measurements and results were measured and analyzed according to Sasang constitution. 2. Results Soeumin group had significantly high score in rational score compared with those of Soyangin. Soyangin group had significantly high score in intuitive score compared with those of Soeumin. Soeumin group had significantly high score in dependent score compared with those of Taeeumin. According to binary logistic regression analysis for decision making style score, Sasang constitution were significant risk factors and ORs of Taeeumin were significantly higer than those of Soyangin in rational score, ORs of Soyangin were significantly higer than those of Soeumin in intuitive score, and ORs of Soeumin were significantly higer than those of Taeeumin in dependent Score. 3. Conclusions Soyangin had significantly high score in intuitive score. Soeumin had significantly high score in dependent score. We found many evidences that Soyangin is intuitive style and Soeumin dependent style in the text of ${\ulcorner}$Dongyi Suse Bowon${\lrcorner}$ and other research. But as far as Taeeumin was concerned, the result of Taeeurnin’s was not coincident with other research. More cases and research were needed to confirm the personality and phychological type of Taeeumin. This study result will be an important method that classify Sasang Costitution and consultation of student career decision making and studying attitude.
뇌경색(腦硬塞) 후 발생한 태음인(太陰人) 무도병(舞蹈病)에 대한 증례
정운기,김은이,이상민,신미란,최재완,윤지영,김달래,한동윤,Jung, Woon-Ki,Kim, Eun-Yi,Lee, Sang-Min,Shin, Mee-Ran,Choi, Jae-Wan,Yoon, Ji-Yung,Kim, Dal-Rae,Han, Dong-Youn 사상체질의학회 2005 사상체질의학회지 Vol.17 No.3
1. Objectives The primary purpose of this case is to report that a Taeurnin patients with Chorea originated after Cerebral infarction was treated with 'Yeoldahanso-tang(熱多寒少湯)' and then her symptoms improved 2. Methods We diagnosed her as Chorea originated after Cerebral infarction. So we treated her with 'Yeoldahanso-tang(熱多寒少湯)'. 3. Results After we treated her with 'Yeoldahanso-tang(熱多寒少湯)', her symptoms improved. 4. Conclusions 'Yeoldahanso-tang(熱多寒少湯)' may have an effect on Treatment Chorea originated after Cerebral infarction of Taeurnin.
코히어런트 광통신에서 위상잡음 보상을 위한 저계산 복잡도 DSP 알고리즘 제안 및 분석
박형준(Hyoung-joon Park),정상민(Sang-min Jung),한동윤(Dong-yoon Han),한상국(Sang-kook Han) 한국통신학회 2014 韓國通信學會論文誌 Vol.39 No.5(융합기술)
코히어런트 초고속 광전송 링크에서는 성능을 열화시키는 잡음요소를 제거하는 것이 더욱 중요하게 대두되고 있다. 그 중 위상잡음과 주파수 오프셋은 위상문제를 일으키는 잡음으로, 신호 처리를 방해하는데 가장 주요한 요인이다. 본 논문에서는 디지털 신호처리 방법을 이용하여 위상잡음과 주파수 오프셋을 보상하는 방법을 제안하였으며 시뮬레이션을 통해 타당성을 검증하였다. 제안된 알고리즘은 기존의 보상 방법들보다 계산 복잡도를 낮추어, 신호 처리속도가 중요한 초고속 코히어런트 광전송 시스템에 있어서 수신기의 신호처리 부담을 완화하였다. In coherent superhigh speed optical transmission link, compensating the system impairments are critical issues. Among these issues, phase noise and carrier frequency offset are the most important impairments which interrupt the signal recovery. This paper suggests a algorithm of digital signal processing that compensates the phase noise and carrier frequency offset and verified its validity. The suggested digital signal processing algorithm has a lower computational complexity compared with the previous algorithms, so it can ease the burden of signal processing at the receiver to provide high speed optical transmission system.