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Blood Grouping of Bloodstains with Monoclonal Antibodies
SHIGENORI IKEMOTO 中央醫學社 1987 中央醫學 Vol.52 No.10
Monoclonal anti-A, and anti-B and anti-O(H) antibodies were compared with anti-A and anti-B antisera of human origin and anti-O(H) of Ulex extract in respect of specificity for human and animal red cells. The monoclonal antibodies had higher specificity than those of human origin and lectin, and are suitable reagents for the blood grouping of blood stains.
( Shigenori Otake ),( Hiroshi Kurita ) 대한지질공학회 2019 대한지질공학회 학술발표회논문집 Vol.2019 No.2
Recent years, landslides and slope failures caused by heavy rainfall and earthquakes occur frequently in mountainous areas of Japan. Slope failure frequently occurs in areas where volcanic clastic rocks are distributed and topographical geology is regarded as important. On the other hand, the study area is a back-arc basin in the southern part of northeastern Japan, and is a Neogene clastic rock area formed by deep sea and shallow sea following the active volcanism after the Middle Miocene. It is thought that grasping the topographical features in the mountain area in the basin margin area and clarifying the geological characteristics in addition to it will be effective for the geological risk assessment of the slope disaster during the future heavy rain and earthquake. In this study, detailed topographical interpretation was carried out using aerial photographs to grasp the topographical features of the area. Next, the stratigraphic relationship and geological structure of this area were grasped by detailed observation of the geological features by surface geological survey. By comprehensively examining these, it was clarified that the distribution of topographic features that suggest landslide topography is more in the flow area than in the receiving area, and is closely related to the geological structure.
An MMSE channel estimation algorithm based on the conjugate gradient method for OFDM systems
Shigenori Kinjo 대한전자공학회 2008 ITC-CSCC :International Technical Conference on Ci Vol.2008 No.7
In this report, we propose a new scheme in order to implement an MMSE channel estimator for OFDM systems. We know that the time domain maximum likelihood estimator (MSE) can achieve highly accurate impulse response estimation by using a time domain long preamble of an OFDM frame. On the other hand, the impulse response estimation based on the minimum mean square error (MMSE) criterion can achieve superior channel estimation in low SNR conditions; however, it requires prior statistical information such as delay profiles of channels. In addition, the computational complexity becomes large because of the inverse matrix calculation. In order to overcome these implementation issues, we propose to estimate the statistical values based on the observed information of the channel. In addition, we show that we can suppress the increase of the computational complexity for the matrix inverse calculation by applying the conjugate gradient method while achieving the same performance with the ideal MMSE estimator.