里面包含有几个由MP150采集到的ECG、PPG和心率数据，还有一个能显示ECG和PPG信号波形以及频谱的matlab程序，它还能显示经过五点平滑滤波后的ECG和PPG的波形，程序中有注释。-Which contains several by the MP150 collected ECG, PPG and heart rate data, and one can show ECG and PPG signal waveform and spectrum matlab program, it c