针对physio net 网站提供的心电图信号处理工具包WFDB的程序，程序估计由WFDB工具包处理过后的ECg数据的QRS波的位置信息，并保存在注释文件中。-Finds the QRS complexes of a WFDB ECG record signal. Specially applied for ECG data processed by WFDB software package. Creates a SQRS annotation file at the current

使用Physionet网上的开源数据时需要进行wfdb安装，此为安装代码(WFDB installation is required when using open source data on the Physionet network, which is the installation code)