本文基于经验模式分解理论与自适用阈值检测原理,采用一种新的心电信号处理方法实现了对心电信号的预处理与R波的检测。该方法经MI......

心电信号中的R波是心室除极时所产生的电位突变,是典型的峰值奇异信号.笔者研究了小波变换对心电信号R波峰值奇异点的精确检测机理......

采用非侵入式方法从母体腹部采集的胎儿心电信号（FECG）,由于信号微弱并受到母体心电信号和噪声的干扰,要准确识别出FECG的R波非常困......

Sinkholes and cavities can represent serious hazards to human safety and urban infrastructures,cause roadbed subsidence,......

Background: The Nanostim {trade mark, serif} Leadless Cardiac Pacemaker (LCP) has been shown to be safe and effective in......