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김해동(Hae-Dong Kim),이진호(Jin-Ho Lee),김은규(Eun-Kyou Kim),최해진(Hae-Jin Choi) 한국항공우주학회 2005 韓國航空宇宙學會誌 Vol.33 No.7
본 논문에서는 6년째 운용되고 있는 아리랑 1호에 탑재된 GPS 수신기의 실제 궤도 상 성능을 분석하였다. 수신기의 환경변수 설정에 따라 지상에서 수행하는 궤도결정 정밀도 변화, GPS 위성 가시성들을 분석하였으며, 실제 궤도에서 운영 중 관측되는 문제점에 대해서 기술하였다. 분석 결과, 항행해를 구하는 Position Fix Algorithm을 Best-of-4 로 설정한 상태에서 획득한 항행해를 이용한 지상 궤도결정 정밀도가 “N-in-View 설정 상태의 결과 보다 약간 높았으며 이때 'Mask Angle'은 0도로 설정하는 것이 유리함을 알 수 있었다. 반면, “N-in-View“ 방식하에서는 GPS 위성에 대한 가시성이 조금 높았으며, 일시적인 3D Fix Loss 발생 빈도 수도 상대적으로 적은 것을 알 수 있었다. In this paper, the performance of the KOMPSAT-l GPS receiver on orbit was analyzed. OD (Orbit Determination) accuracy using GPS navigation solutions and GPS visibility were investigated with respect to the configuration of the GPS receiver. Indeed, the problem such as 3D Fix Loss observed during the mission was presented. As a result, the OD accuracy of Best-of-4 Position Fix Algorithm with 0 degree of mask angle was slightly better than that of N-in-View Position Fix Algorithm. On the other hand, the GPS visibility under N-in-View Algorithm is better than that of Best-of-4 Algorithm. The occurrence of temporal 3D Fix Loss is reduced when the N-in-View Position Fix Algorithm was selected.
미국산과 중국산 DDGS의 급여가 비육돈의 육질 및 아미노산 함량에 미치는 영향
장해동,홍종욱,이종하,이운선,이철영,유종상,이제현,김종규,강대경,김인호,Jang, Hae-Dong,Hong, Jong-Wook,Lee, Jong-Ha,Lee, Un-Sun,Lee, Chul-Young,Yoo, Jong-Sang,Lee, Je-Hyun,Kim, Jong-Gyu,Kang, Dae-Kyung,Kim, In-Ho 한국축산식품학회 2008 한국축산식품학회지 Vol.28 No.5
This study was conducted to evaluate the effects of com distillers dried grain with soluble (DDGS) in American and Chinese on quality and amino acid of meat in finishing pigs. 120 pigs (Landrace$\times$Yorkshire$\times$Duroc, 64.50 kg average initial body weight) were used in 56 day growth assay. Dietary treatments were included CON (basal diet), ADS (basal diet + DDGS from American) and CDS (basal diet + DDGS from Chinese). The pigs were allotted into four pigs per pen with ten replicates per treatments by completely randomized design. Backfat thickness and lean percentage were not affected by treatment (p>0.05). For the meat color, redness was significantly increased in DDGS treatments compared to CON treatment (p<0.05). CDS treatment was higher than in ADS treatment (p<0.001). Water holding capacity was higher in CON and CDS treatments compared to ADS treatment (p<0.05). pH was greater in DDGS treatments than CON treatment (p<0.05), and ADS treatment was higher than in CON treatment (p<0.05). For the amino acid of meat, CDS treatment significantly increased their arginine, isoleucine, leucine and lysine compared to other treatments (p<0.05). DDGS treatment was higher than in CON treatment (p<0.001). Methinonine, phenylalanine, threonine and valine were significantly increased DDGS treatments than CON treatment (p<0.05). Cysteine was greater in CDS treatment than CON and ADS treatments (p<0.001). DDGS treatments was higher cysteine than in CON treatment (p<0.001). Proline significantly improved in CON treatment compared to CDS treatment (p<0.05). Tyrosine was greater in DDGS treatments than CON treatment (p<0.01). In conclusion, redness and amino acids of meat were affected by DDGS treatments.
국내 외국 유학생이 인지하는 태권도의 세계화요인이 한국브랜드이미지 및 참여행동에 미치는 영향
이해동(Lee, Hae-Dong) 한국체육과학회 2016 한국체육과학회지 Vol.25 No.4
The purpose of this study is to analyze the globalization factors of Taewondo, national brand image and participation behavior of it that foreign students who live in Korea and investigate the effect of the globalzation factors of Taekwondo on Korean national image based on the precedent study on national image. For accomplishing this purpose, examples were extracted from foreign students who live in Korean and go to Universities. The developed questionnaire was distributed to the foreign students who live in Korea in three places of the universities. First, the globalization factors of Taekwondo has found that it has the positive effect on national brand image. Second, the globalization factors of Taekwondo has found that it has the positive effect on participation behavior. Third, Korean national brand image has found that it has the positive effect on participation behaviour.
N,N-디에틸-1,4-페닐렌디아민과 1-나프톨과의 반응에 대한 속도와 메커니즘
이해동(Hae Dong Lee),김창수(Chang Su Kim) 한국화상학회 2000 한국화상학회지 Vol.6 No.2
아세톤 수용역에서 N,N-디에틸-1,4-페닐렌디아민(depa)과 1-나프톨의 반응속도룰 분광학적 방법으로 606nm에서 측정하였다. [1-naphthol]와 [Fe3+]에 따른 유사일차속도상수를 도시한 결과 각각 일차 의존성을 보여주었다. 그리고 [OH-]의 농도가 증가함에 따라 반응속도는 감소하였다. 이 반응에 대한 실험속도식은 다음과 같다. -d[depa]/dt={k3+k4[Fe3+]/ [OH-]}[depa][1-naphthol] 이 속도 식에서부터 가능한 메카니즘을 도출하였다. Rate constants of the reaction of N,N-diethyl-1,4-phenylenediamine(depa) with 1- naphthol in acetone-water were measured spectrophotometrically at 606nm. The observed rate constants were plotted against [1-naphthol] and [Fe3+], which correspond to the first order dependence. Reaction rate was decreased with respect to [OH-]. Therefore, the reaction is governed by the following rate law. -d[depa]/dt={k3+k4[Fe3+]/ [OH-]}[depa][1-naphthol] A Possible mechanism consistent with the empirical rate raw has been proposed.
이해동(Hae-Dong Lee),최용제(Yong-Je Choi),김호원(Ho-Won Kim) 대한전자공학회 2007 대한전자공학회 학술대회 Vol.2007 No.11
In this paper, we designed RSA hardware module by VHDL. This crypto module is aiming for low-power sensor node deployed at Sensor Network. For RSA moduler exponetiation, we use Montgomery reduction method and use 32bit basic multiplier/32bit basic adder.