这是基于PIC系列单片机的C语言编程，采用阈值法检测QRS波，并且将检测到的QRS波经过高低通滤波、微分、移动窗口积分后，通过检测两个相邻的峰值，计算出心率-This is based on the PIC series MCU C language programming, using the threshold detection QRS wave, and the QRS wave is detected after a low pass filter, differential, mob