这是一个用于估计ECG信号的频率变化，区分正常和异常ECG信号的原程序，-This is an ECG signal used to estimate the frequency of changes in the distinction between normal and abnormal ECG signals in the original program,

ECG信号处理获得各种features，包括P和T波的参数，该程序使用的数据来自mit database 如果要执行该程序，要修改ECG 信号的源文件目录-ECG signal processing to obtain a variety of features, including the P and T-wave parameters, the program uses data from mit database

ecganalysis to analysis ecg signal