脉搏波所呈现出来的形态、强度、速率和节律等方面的综合信息，能反映出人体心血管系统中许多生理疾病的血流特征。根据人体脉搏信号特征，本文设计了一种脉搏波动频率测量系统。-Comprehensive information presented pulse wave form, strength, speed and rhythm, etc., can reflect the human cardiovascular system, the blood flow of many physiologica