Generally, the pulse signal of human body is created with the pulsation of the heart. They certainly have the clinical meaning of the rate of the pulse frequency and the variety of the pulse rhythm. Along with the extensive test and the thorough research to the pulse waveform drawing, people have recognized it is sensitive physiology information. It is gradually imported to the index of the physiology detection for the clinic. For example, using for the health inspection for the airplane pilot and the old e...