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박준구,최병돈,김승철,염곤,Park, Joon-Koo,Choi, Boung-Don,Kim, Seung-Chul,Ryeom, Kon 환경독성보건학회 1993 환경독성보건학회지 Vol.8 No.3
An Actinomycete strain isolated from Mt. Dea-Dun had a strong antifungal activity. The culture brith produced by isolated strain showed only antifungal activity against fungi with the exception of yeast and bacteria. It was heat stable, dissolved in ehtylacetate. The concentrated antifungal agent showed cytotoxicity against HEP-2 and HeLa as tumor cell line, and showed weak cytotoxicity against VERO 36 as normal cell line. Morphological and physiological characteristics were tested with isolated strain. The spore color of isolated strain was gray. It had a short chain and produced brown colored lytic substance in yeast extract-malt agar. The cell wall of isolated strain was composed of meso-DAP, and we suggested it as genus Actinomadura. In the existing of chemical inhibitor, isolated strain grew on the condition of 0.0001% crystal violet, 0.1% phenol, 0.01% sodium azide and 10% sodium chloride. Carbon utilization of isolated strain was shown that glucose, sucrose, manitol and sodium citrate were well utilized.
설계 민감도법을 이용한 유도 전기장 분포 제어를 위한 철심구조 최적화 연구
朴俊枸(Park Joon Goo) 대한전기학회 2006 전기학회논문지 D Vol.55 No.8
An optimized iron core structure of stimulating coil are presented in order to control the induced electric field distribution using the Continuum Design Sensitivity Analysis (CDSA) combined with a commercially available generalized finite element code (OPERA). The results show that a Figure-Of-Eight (FOE) coil as well as a circular coil with the proposed iron core structure can increase induced electric field intensity by more than two times and make better field localization, compared with those of existing stimulation coil with a air core. After considering manufacturing constraints, a practical iron core structure based on the proposed optimized one is proposed and its performance is analyzed.
박준구(Park, Jun Ku),노명종(Noh, Myoung-Jong),조우석(Cho, Woosug),송낙현(Song, Nakhyeon) 한국측량학회 2011 한국측량학회 학술대회자료집 Vol.2011 No.4
It has different layers of feature classification system for land to use land cover classification system or land use classification system in each institute, and therefore it is not suitable for effective land change detection. In this paper, we proposed a feature classification system to show its change of land effectively. Based on comparison and analysis of domestic and foreign relevant feature classification system, we proposed a standard feature classification system. In order to validate the applicability of the proposed feature classification systeme, we performed and analyzed human visual checking, manual screen digitizing and automatic knowledge-based hierarchical feature classification according to the proposed feature classification systeme.
GPS 반송파 위상변화율을 이용한 SDINS/GPS 복합항법 필터 구성
박준구(Joon-Goo Park) 한국항공우주학회 2006 韓國航空宇宙學會誌 Vol.34 No.11
SDINS 운항중 정렬에 적용 가능한 GPS 반송파 위상변화율 측정 모델을 유도하여 새로운 SDINS/GPS 복합항법 시스템 구성 방법을 제안한다. 제안된 SDINS/GPS 복합항법 필터의 성능 분석을 공분산 해석기법을 이용하여 수행하고 이의 결과를 실제 차량 실험을 통하여 검증한다. 제안된 결합기법은 2개 이상의 안테나를 갖는 SDINS/GPS 결합시스템에 적용가능하며 기수각 추정에 직접적으로 연계된 GPS 측정치를 생성함으로써 빠른 SDINS의 기수각 추정을 가능하게 함으로써 SDINS/GPS의 항법 성능을 향상시키게 된다. As an application of SDINS/GPS integration for its synergistic results, the SDINS alignments utilizing GPS carrier phase rate measurements. A measurement model of GPS carrier phase rate is derived in order to be used with SDINS alignment process. For in-flight alignment, the performance of the suggested SDINS/GPS integration method is analyzed using the covariance analysis and its results are confirmed by those of van test. Consequently, it is shown that all states of the SDINS integrated system by utilizing GPS carrier phase rate measurements can be estimated more efficiently than a general SDINS/GPS during in-flight alignment