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고유치분해가 필요없는 방위각 추정 알고리듬에서 센서신호의 선택기준
정대원,박상배,이균경,김인익 경북대학교 전자기술연구소 1994 電子技術硏究誌 Vol.15 No.1
The performance of the BEWE(Bearing Estimation Without Eigendecom-position) algorithm depends on the sensor outputs which are selected to construct the projection matrix. In this paper, we construct the covariance matrix of the bearing estimates for two targets and propose the criterion to select the sensor outputs which minimize the value of the covariance matrix. The computer simulation conforms that the estimation error is smallest when the sensor outputs are selected based on the proposed criterion.
정대원,강석춘 한국공업화학회 1997 응용화학 Vol.1 No.2
Oil-field cast nylons were synthesized by anionic polymerization of ε-caprolactam in the presence of mineral oils. Reaction rate and molecular weight of the product were not affected by the addition of oils less than 8%. Oil-field cast nylon with an oil content of 6% showed a minimum friction coefficient.