用于心电信号滤波，峰值检测，相位检测中值检测,For ECG filtering, peak detection, phase detection value Detected

R peak detect in ECG signal

ECG心电图 峰值检测 Inputs ecg : raw ecg vector fs : sampling frequency view : display span of the signal e.g. 8 seconds (8 seconds is the default) Outputs indexes and amplitudes of R_i, R_amp, etc heart_rate computed heart rate bu