On the basis of analyzing the relation between the coronary artery block and the diastolic murmurs, firstly this paper studied the preprocessing of PCG ( denoising and segmentation), the diastolic periods were positioned;

  • 在分析了冠状动脉堵塞与舒张期心音关系的基础上,首先研究了心音信号的预处理(消噪和分段),对舒张期心音信号进行了定位;

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