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디지털회로의 결함 검출률을 높이기 위한 K-등분 회로분할기법
노정호(Jeong Ho Noh),김상진(Sang Jin Kim),이창희(Chang Hee Lee),윤태진(Tae Jin Yun),안광선(Gwang Seon Ahn) 한국정보과학회 1998 정보과학회논문지 : 시스템 및 이론 Vol.25 No.5
본 논문에서는 회로 분할시 검출불가 결함을 가진 신호선을 중심으로 분할함으로써 결합 검출률을 높이는 MPT 분할알고리즘을 제안한다. 기존의 노드이동 기반의 분할 알고리즘은 cut-set의 크기를 줄이는데 주안점을 두고 있다. 이에 비해, 제안된 알고리즘은 노드이동시 검출 불가능한 결함을 검출 가능하게 할 수 있는 노드를 선택하도록 하여 결함 검출률이 향상되도록 하였다. 이는 회로의 절단에 의하여 검출 불가능한 결함이 제어와 관찰 가능하게 됨을 이용한 것이다. MPT 알고리즘의 성능은 ISCAS85 벤치마크 데이타로 실험하여 평가한다. Partitioning problem of large digital circuit has been studied in real world. Most of logic circuits include UDF(undetectable faults) caused by the pauticale structures such as redundant, fan-out-reconvergent, and symmetrical features. In this paper, an algorithm on multi way partition is proposed to enhance the fault coverage by locating undetectable faults on cut-set during circuit partitioning. The algorithm enables UDF to be controllable and observable by adjusting the cut-gain and fault-gain values. The proposed algorithm is evaluated to show its effective wess using ISCAS85 beuch make circuits.
김정래 ( Jeong Rae Kim ),노정호 ( Jeong Ho Noh ),이형근 ( Hyung Keun Lee ) 한국항공운항학회 2012 한국항공운항학회지 Vol.20 No.3
Global navigation satellite systems (GNSS) use dual frequency signals to remove ionosphere delay effect. GNSS receivers have their own biases, called inter-frequency bias (IFB) between dual frequencies due to differential signal delays in receiving each frequency codes. The IFB degrades pseudo-range and ionosphere delay accuracies, and they must be accurately estimated. Simultaneous estimation of ionosphere map and IFB is applied in order to analyze the IFB estimation accuracy and variability. GPS network data in Korea is used to compute each receiver`s IFB. Accuracy changes due to ionosphere model changes is analyzed and the effect of external GNSS satellite IFB on the receiver IFB is analyzed.
論文(논문) : 정밀좌표변환 및 중력가속도 계산 알고리듬 분석
김정래 ( Jeong Rae Kim ),노정호 ( Jeong Ho Noh ) 한국항공운항학회 2011 한국항공운항학회지 Vol.19 No.4
Inertial navigation systems requires gravity model to compute gravity acceleration and its trajectory accuracy depends on the gravity model accuracy especially for a long range flight. The gravity model accuracy is important for satellite orbit prediction as well. The precision gravity model requires a precision coordinate transformation between inertial and Earth fixed coordinates. Precision gravity acceleration algorithms with a coordinate transform are studied and a computer program is developed. The effects of individual model components on trajectory error are analyzed.
Carbonic Maceration처리에 의한 Campbell Early 발효액의 감산 효과: 감산 관련 미생물의 분리 및 특성
장은하 ( Eun Ha Chang ),정석태 ( Seok Tae Jeong ),정성민 ( Sung Min Jeong ),임병선 ( Byung Sun Lim ),노정호 ( Jung Ho Noh ),박교선 ( Kyo Sun Park ),박서준 ( Seo Jun Park ),최종욱 ( Jong Uck Choi ) 한국식품저장유통학회(구 한국농산물저장유통학회) 2011 한국식품저장유통학회지 Vol.18 No.6
The grape cultivar Campbell Early has high levels of malic acid as well as tartaric acid. The high concentration of total acid in the Campbell Earlywine is a critical aspect of the wine`s sensory characteristics. To prevent the deterioration of the wine`s quality, which is caused by the strong sour taste derived from the raw material in wine making, the deacidification factor was investigated via carbonic maceration under different temperature conditions, especially in the presence or absence of malolactic bacteria. Based on the results of the presence test of the malolactic bacteria during carbonic-maceration treatment, Lactobacillus brevis, Lactobacillus plantarum, and Streptococcus thermophilus were characterized morphologically and were identified via biochemical tests and 16S- rRNA-gene-sequencing analysis. The isolated strains were found not to consume malic acid and to produce lactic acid. Moreover, these strains were consumed as soluble solids. The isolated strains are popularly known as lactic-acid bacteria and should have produced lactic acid from glucose. The Oenococcus oeni of the malolactic bacteria was not isolated. These results showed thatthe isolated strains are not deacidified during carbonic-maceration treatment.