http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
구본수,장재원,김우리얼,김태식,Koo, Bon-soo,Jang, Jae-won,Kim, Woo-riul,Kim, Tae-sik 한국항행학회 2017 韓國航行學會論文誌 Vol.21 No.4
GPS 안전성에 대한 문제가 제기 되면서 ADS-B 대안 기술로 다변측정감시(MLAT; multilatration)시스템이 각광 받고 있다. MLAT는 항공기에 탑재된 트랜스폰더에서 송출되는 Mode A,C,S는 물론 1090ES(ADS-B) 신호를 지상의 여러 개의 수신기로 수신하여 항공기를 탐지하고 위치를 계산하며, GPS를 이용하는 ADS-B 수준의 위치 정밀도를 갖고 있으면서도 ADS-B와 달리 독립적으로 표적 위치를 계산 할 수 있다. 전 세계적인 환경변화에 따라 우리나라에서도 공항지역 이동차량 및 항공기 감시용으로 지역다변측정(LAM; local area multilateration)감시 시스템 개발 하고 있다. LAM시스템에 대한 지상 필드 시험을 태안 비행장에서 진행하고 있다. 본 논문에서는 태안 비행장에서 필드 시험 중인 MLAT의 위치 정확도를 확인하기 위하여, 지상에서 고정된 타겟과 움직이는 타겟에 대하여 MLAT 트렌스폰더와 RTK Rover를 설치하여 MLAT의 위치 정보와 RTK의 위치정보를 확인하여, RTK에서 보정된 위치 정보와 MLAT에서 계산되어진 위치정보를 비교하여 성능을 분석 하였다. As a GPS stability problem arises, MLAT system is spotlighted as an alternative technology of ADS-B. MLAT system has a high position accuracy as much as ADS-B. Also, MLAT receives the mode A,C,S, and 1090ES(ADS-B) signals from the mounted aircraft transponder. MLAT receives signals from several receiver units and calculates aircraft positions. MLAT has ADS-B level positioning accurarcy using GPS and can calculate the position information with objects independently. According to global environment changes, Local area multiltilateration(LAM) surveillance system is under development for moving vehicles and aircraft detection in airport. These are still under testing in Tae-an Airfield. In the paper, we analyzed the performance by comparing the calculated position data from MLAT to RTK. In order to confirm the position accuracy of MLAT and the deviation of position data between fixed target and moving target on the ground during the field test in Tae-an Airfield.
사향소합원(麝香蘇合元)이 정상인의 뇌혈류역학에 미치는 영향
구본수,김성환,문상관,조기호,김영석,배형섭,이경섭,류순현,Koo, Bon-Soo,Kim, Sung-Hwan,Moon, Sang-Kwan,Cho, Ki-Ho,Kim, Young-Suk,Bae, Hyung-Sup,Lee, Kyung-Sup,Ryu, Soon-Hyun 대한한방내과학회 2001 大韓韓方內科學會誌 Vol.22 No.2
Background and Purpose : Transcranial doppler ultrasonography(TCD) is a noninvasive and nonradioactive technique for evaluation of the hemodynamics in large cerebral vessels. Sahyangsohap-won(SS) has been considered to be effective for the treatment of various disease, especially cerebrovascular, cardiovascular, and psychosomatoform disorders. But, there is no study about the effect of SS on the cerebral hemodynamics in humans. The aim of this study was to assess the effect of SS on the changes in cerebral hemodynamics and the dose-dependant effect by using TCD. Subjects and Methods : 30 healthy subjects were randomly divided into three group: group 1 took no drug, group 2 took SS one pill, and group 3 took SS 2 pills. Changes in the mean blood flow velocity(MBFV) and pulsatility index(PI) in the middle cerebral artery were evaluated by means of TCD. We obtained hypercapnia with breath-holding and evaluated cerebrovascular reactivity with the breath-holding index(BHI). Systolic blood pressure(SBP), diastolic blood pressure(DBP), and heart rate(HR) were measured by means of ambulatory blood pressure monitoring. In group 2 and group 3, the evaluations were performed during the baseline and were repeated at 20, 40, and 60 minutes after SS administration. In group 1, the evaluation was performed at corresponding time intervals. Results : In mean values of MSFV, PI, SSP, DBP, and HR, no stastically significant differences were found between the 3 groups. However, BHI values were significantly lower in groups 2 and 3 than in group 1 at 40 minutes after SS administration(P<0.05, group 1 vs group 2, group 1 vs group 3 by post-hoc analysis: Scheffe's test) but in dose-dependant effect, there was no difference between group 2 and group 3. Conclusion : These results suggest that SS can decrease vascular resistance in cerebral small arteries or arterioles and enhance their distensibility. Further studies on larger numbers of subjects are needed to confirm these effects and the dose-dependant effects.
항공 우주 해상 : 시뮬레이터를 이용한 태안비행장 Curved Approach에 대한 고찰
구본수 ( Bon Soo Koo ),전향식 ( Hyang Sig Jun ),정명숙 ( Myeong Sook Jung ),박수복 ( Soo Bog Park ),홍승범 ( Seung Beom Hong ),홍교영 ( Gyo Young Hong ) 한국항행학회 2014 韓國航行學會論文誌 Vol.18 No.4
현재 사용 중인 계기착륙장치(ILS)는 시스템 특성상 동시에 다수의 입항하는 항공기가 사용하기 어렵고, 활주로 방향별로 장비들이 설치되어야 한다. 또한 착륙하는 항공기들이 일정한 구역에서 단일 비행경로만으로 착륙절차가 구성되어야 한다는 한계점이 있다. 이에 항공 교통량이 증가하게 된다면 입항하는 항공기들의 체공 시간이 더욱 증가하게 될 것이다. 이러한 한계점을 보완하기 위해 GNSS를 이용한 착륙시설로 GBAS가 개발 되었다. 본 논문에서는 비행시험 전 시뮬레이터를 이용하여 태안 비행장에서 실제 사용 하고 있는 항공기 착륙절차와 Curved approach를 이용한 절차를 비교 하였다. 비교 결과 Curved approach 절차를 이용하게 되면 기존절차보다 비행시간이 감소되어 연료 및 소음공역회피 등과 같은 효과가 일어 날 수 있을 것으로 판단된다. Current ILS is difficult for the many aircraft to access to the system at the same time because of it`s system. And the equipments should be installed at the direction of every runway. Also, There is limitation that landing procedures must be have of only ILS single course when the aircraft land on the ground. hereupon, The more air traffic exist, the longer delay time of flight be. GBAS using the GNSS has been developed to overcome those limitations. Before flight test in Teean airport, this paper compares the taean approach procedure and curved approach procedure by using the simulator. Comparison study shows that curved approach procedure takes less flight time, low fuel consumpsion and make it possible to avoid noise airspace more than original procedure.
호텔 피트니스 클럽 서비스 품질이 호텔 브랜드 이미지 및 소비자 구매행동에 미치는 영향
구본수(Bon Soo Koo),신진호(Jin Ho Shin),김차용(Cha Yong Kim) 한국사회체육학회 2012 한국사회체육학회지 Vol.0 No.50
The purpose of this study was to examine the effect of service quality of fitness clubs in first grade hotels on brand image and consumer`s purchasing behavior. The 300 members of fitness club were chosen from 3 hotels of S.P., JW and G.H. hotel in first grade which are located in Seoul. 300 questionnaires were distributed and collected. Out of them, 57 questionnaires were excluded from the study because they were judged to be unfaithfully responded. For the purpose of this study, frequency analysis, exploratory factor analysis, correlation analysis, multiple regression analysis were performed. The results of this study were as follows. Firstly, 5 factors of service quality had a significant influence on affective aspect of brand image and 2 factors of service quality had a significant influence on physical aspect of brand image. Secondly, 2 factors of brand image had a significant influence on purchasing decision and recommendation intention of consumer`s purchasing behavior. Thirdly, 2 factors of service quality had a significant influence on purchasing decision of consumer`s purchasing behavior and 1 factor of service quality had a significant influence on recommendation intention of consumer`s purchasing behavior.
구본수(Bon Soo Koo),신진호(Jin Ho Shin),이정민(Jung Min Lee) 한국사회체육학회 2011 한국사회체육학회지 Vol.0 No.46
The purpose of this study is to analyze and understand the current status and various issues of the social baseball through 12 office workers who are participating in the second division of social baseball league. The summary of the conclusion of this study per research issue is as below. First, the number of baseball parks and facilities are insufficient and underdeveloped for the social baseball games and the indoor baseball practice parks are also scarce. Second, the lack of number of games allocated to a team and the regulation on time limit in the operation method of social baseball league are very insufficient to satisfy the players of social baseball who play the baseball as a hobby and also the order is constructed on the basis of players with outstanding skills due to competition in the league, causing a conflict between the key players and other players. Third, the players of social baseball who were baseball athletes in elite sports have dissatisfactions about the strict rules of the social baseball which are only applied to those who were baseball athletes in elite sports and needs elaborated regulations and environments to reflect the reality beyond a mere regulation. Fourth, despite the poor infrastructure, the fever of social baseball is playing a positive role in vitalizing the domestic sports. However, if the baseball association and baseball circles just remain satisfied with the reality without any continuous efforts and studies, the fever of social baseball will not be sustained and ultimately be depressed.