iir filter32 at matlab and c++ we usd this filter at ECG application

模拟心电信号ECG，同时设置不同强度的50Hz干扰信号并通过50Hz陷波器消除干扰。-The signal of ECG and 50Hz filter

心电信号的预处理滤波器的设计（包括数据文件和程序） 包括了FIR滤波器和IIR滤波器以及整系数滤波器，可以有效滤除基线漂移与工频干扰-ECG preprocessing filter design (including data files and programs) including FIR filter and IIR filters, and the whole coefficient filter can effectively filter out baseline drift an