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High quality and ambulatory measurements of biosignal, especially some weak biopotential signals with amplitude less than 1 μV is significant for the follow-up applications and is still challenging. This paper presents a new low-noise, high-performance active electrode design for such weak biosignal measurements. The proposed active electrode is designed in the fully-differential configuration in...
A method is proposed for recognizing noises in pulse waves (PWs), which play an essential role in clinical pulse diagnosis. PWs have also been used in traditional Chinese medicine for thousands of years. We follow the principle that most noises appear as pairs of adjacent sampling points. These pairs satisfy five certain criteria. The principle and the criteria are based on observation and statistical...
A support vector machines (SVM) approach is proposed for grout stratum identification based on the grout instrument measurement datum in the grouting consolidation project. The important features of SVM model are obtained by analysis of grout fluid penetration mechanism integrating with grout physical model for pressure control aim. Then we introduce Lagrange multiplier and translate the SVM math...
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